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HiveConf.java
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HiveConf.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hive.conf;
import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import org.apache.commons.lang.StringUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hive.common.FileUtils;
import org.apache.hadoop.hive.common.classification.InterfaceAudience;
import org.apache.hadoop.hive.common.classification.InterfaceAudience.LimitedPrivate;
import org.apache.hadoop.hive.common.type.TimestampTZUtil;
import org.apache.hadoop.hive.conf.Validator.PatternSet;
import org.apache.hadoop.hive.conf.Validator.RangeValidator;
import org.apache.hadoop.hive.conf.Validator.RatioValidator;
import org.apache.hadoop.hive.conf.Validator.SizeValidator;
import org.apache.hadoop.hive.conf.Validator.StringSet;
import org.apache.hadoop.hive.conf.Validator.TimeValidator;
import org.apache.hadoop.hive.conf.Validator.WritableDirectoryValidator;
import org.apache.hadoop.hive.shims.Utils;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hive.common.HiveCompat;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.security.auth.login.LoginException;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.net.URL;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.time.ZoneId;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Hive Configuration.
*/
public class HiveConf extends Configuration {
protected String hiveJar;
protected Properties origProp;
protected String auxJars;
private static final Logger LOG = LoggerFactory.getLogger(HiveConf.class);
private static boolean loadMetastoreConfig = false;
private static boolean loadHiveServer2Config = false;
private static URL hiveDefaultURL = null;
private static URL hiveSiteURL = null;
private static URL hivemetastoreSiteUrl = null;
private static URL hiveServer2SiteUrl = null;
private static byte[] confVarByteArray = null;
private static final Map<String, ConfVars> vars = new HashMap<String, ConfVars>();
private static final Map<String, ConfVars> metaConfs = new HashMap<String, ConfVars>();
private final List<String> restrictList = new ArrayList<String>();
private final Set<String> hiddenSet = new HashSet<String>();
private final List<String> rscList = new ArrayList<>();
private Pattern modWhiteListPattern = null;
private volatile boolean isSparkConfigUpdated = false;
private volatile boolean isMr3ConfigUpdated = false;
private static final int LOG_PREFIX_LENGTH = 64;
public boolean getSparkConfigUpdated() {
return isSparkConfigUpdated;
}
public void setSparkConfigUpdated(boolean isSparkConfigUpdated) {
this.isSparkConfigUpdated = isSparkConfigUpdated;
}
public boolean getMr3ConfigUpdated() {
return isMr3ConfigUpdated;
}
public void setMr3ConfigUpdated(boolean isMr3ConfigUpdated) {
this.isMr3ConfigUpdated = isMr3ConfigUpdated;
}
public interface EncoderDecoder<K, V> {
V encode(K key);
K decode(V value);
}
public static class URLEncoderDecoder implements EncoderDecoder<String, String> {
private static final String UTF_8 = "UTF-8";
@Override
public String encode(String key) {
try {
return URLEncoder.encode(key, UTF_8);
} catch (UnsupportedEncodingException e) {
return key;
}
}
@Override
public String decode(String value) {
try {
return URLDecoder.decode(value, UTF_8);
} catch (UnsupportedEncodingException e) {
return value;
}
}
}
public static class EncoderDecoderFactory {
public static final URLEncoderDecoder URL_ENCODER_DECODER = new URLEncoderDecoder();
}
static {
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
if (classLoader == null) {
classLoader = HiveConf.class.getClassLoader();
}
hiveDefaultURL = classLoader.getResource("hive-default.xml");
// Look for hive-site.xml on the CLASSPATH and log its location if found.
hiveSiteURL = findConfigFile(classLoader, "hive-site.xml", true);
hivemetastoreSiteUrl = findConfigFile(classLoader, "hivemetastore-site.xml", false);
hiveServer2SiteUrl = findConfigFile(classLoader, "hiveserver2-site.xml", false);
for (ConfVars confVar : ConfVars.values()) {
vars.put(confVar.varname, confVar);
}
Set<String> llapDaemonConfVarsSetLocal = new LinkedHashSet<>();
populateLlapDaemonVarsSet(llapDaemonConfVarsSetLocal);
llapDaemonVarsSet = Collections.unmodifiableSet(llapDaemonConfVarsSetLocal);
}
private static URL findConfigFile(ClassLoader classLoader, String name, boolean doLog) {
URL result = classLoader.getResource(name);
if (result == null) {
String confPath = System.getenv("HIVE_CONF_DIR");
result = checkConfigFile(new File(confPath, name));
if (result == null) {
String homePath = System.getenv("HIVE_HOME");
String nameInConf = "conf" + File.separator + name;
result = checkConfigFile(new File(homePath, nameInConf));
if (result == null) {
URI jarUri = null;
try {
// Handle both file:// and jar:<url>!{entry} in the case of shaded hive libs
URL sourceUrl = HiveConf.class.getProtectionDomain().getCodeSource().getLocation();
jarUri = sourceUrl.getProtocol().equalsIgnoreCase("jar") ? new URI(sourceUrl.getPath()) : sourceUrl.toURI();
} catch (Throwable e) {
LOG.info("Cannot get jar URI", e);
System.err.println("Cannot get jar URI: " + e.getMessage());
}
// From the jar file, the parent is /lib folder
File parent = new File(jarUri).getParentFile();
if (parent != null) {
result = checkConfigFile(new File(parent.getParentFile(), nameInConf));
}
}
}
}
if (doLog) {
LOG.info("Found configuration file {}", result);
}
return result;
}
private static URL checkConfigFile(File f) {
try {
return (f.exists() && f.isFile()) ? f.toURI().toURL() : null;
} catch (Throwable e) {
LOG.info("Error looking for config {}", f, e);
System.err.println("Error looking for config " + f + ": " + e.getMessage());
return null;
}
}
@InterfaceAudience.Private
public static final String PREFIX_LLAP = "llap.";
@InterfaceAudience.Private
public static final String PREFIX_HIVE_LLAP = "hive.llap.";
/**
* Metastore related options that the db is initialized against. When a conf
* var in this is list is changed, the metastore instance for the CLI will
* be recreated so that the change will take effect.
*/
public static final HiveConf.ConfVars[] metaVars = {
HiveConf.ConfVars.METASTOREWAREHOUSE,
HiveConf.ConfVars.REPLDIR,
HiveConf.ConfVars.METASTOREURIS,
HiveConf.ConfVars.METASTORESELECTION,
HiveConf.ConfVars.METASTORE_SERVER_PORT,
HiveConf.ConfVars.METASTORETHRIFTCONNECTIONRETRIES,
HiveConf.ConfVars.METASTORETHRIFTFAILURERETRIES,
HiveConf.ConfVars.METASTORE_CLIENT_CONNECT_RETRY_DELAY,
HiveConf.ConfVars.METASTORE_CLIENT_SOCKET_TIMEOUT,
HiveConf.ConfVars.METASTORE_CLIENT_SOCKET_LIFETIME,
HiveConf.ConfVars.METASTOREPWD,
HiveConf.ConfVars.METASTORECONNECTURLHOOK,
HiveConf.ConfVars.METASTORECONNECTURLKEY,
HiveConf.ConfVars.METASTORESERVERMINTHREADS,
HiveConf.ConfVars.METASTORESERVERMAXTHREADS,
HiveConf.ConfVars.METASTORE_TCP_KEEP_ALIVE,
HiveConf.ConfVars.METASTORE_INT_ORIGINAL,
HiveConf.ConfVars.METASTORE_INT_ARCHIVED,
HiveConf.ConfVars.METASTORE_INT_EXTRACTED,
HiveConf.ConfVars.METASTORE_KERBEROS_KEYTAB_FILE,
HiveConf.ConfVars.METASTORE_KERBEROS_PRINCIPAL,
HiveConf.ConfVars.METASTORE_USE_THRIFT_SASL,
HiveConf.ConfVars.METASTORE_TOKEN_SIGNATURE,
HiveConf.ConfVars.METASTORE_CACHE_PINOBJTYPES,
HiveConf.ConfVars.METASTORE_CONNECTION_POOLING_TYPE,
HiveConf.ConfVars.METASTORE_VALIDATE_TABLES,
HiveConf.ConfVars.METASTORE_DATANUCLEUS_INIT_COL_INFO,
HiveConf.ConfVars.METASTORE_VALIDATE_COLUMNS,
HiveConf.ConfVars.METASTORE_VALIDATE_CONSTRAINTS,
HiveConf.ConfVars.METASTORE_STORE_MANAGER_TYPE,
HiveConf.ConfVars.METASTORE_AUTO_CREATE_ALL,
HiveConf.ConfVars.METASTORE_TRANSACTION_ISOLATION,
HiveConf.ConfVars.METASTORE_CACHE_LEVEL2,
HiveConf.ConfVars.METASTORE_CACHE_LEVEL2_TYPE,
HiveConf.ConfVars.METASTORE_IDENTIFIER_FACTORY,
HiveConf.ConfVars.METASTORE_PLUGIN_REGISTRY_BUNDLE_CHECK,
HiveConf.ConfVars.METASTORE_AUTHORIZATION_STORAGE_AUTH_CHECKS,
HiveConf.ConfVars.METASTORE_BATCH_RETRIEVE_MAX,
HiveConf.ConfVars.METASTORE_EVENT_LISTENERS,
HiveConf.ConfVars.METASTORE_TRANSACTIONAL_EVENT_LISTENERS,
HiveConf.ConfVars.METASTORE_EVENT_CLEAN_FREQ,
HiveConf.ConfVars.METASTORE_EVENT_EXPIRY_DURATION,
HiveConf.ConfVars.METASTORE_EVENT_MESSAGE_FACTORY,
HiveConf.ConfVars.METASTORE_FILTER_HOOK,
HiveConf.ConfVars.METASTORE_RAW_STORE_IMPL,
HiveConf.ConfVars.METASTORE_END_FUNCTION_LISTENERS,
HiveConf.ConfVars.METASTORE_PART_INHERIT_TBL_PROPS,
HiveConf.ConfVars.METASTORE_BATCH_RETRIEVE_OBJECTS_MAX,
HiveConf.ConfVars.METASTORE_INIT_HOOKS,
HiveConf.ConfVars.METASTORE_PRE_EVENT_LISTENERS,
HiveConf.ConfVars.HMSHANDLERATTEMPTS,
HiveConf.ConfVars.HMSHANDLERINTERVAL,
HiveConf.ConfVars.HMSHANDLERFORCERELOADCONF,
HiveConf.ConfVars.METASTORE_PARTITION_NAME_WHITELIST_PATTERN,
HiveConf.ConfVars.METASTORE_ORM_RETRIEVE_MAPNULLS_AS_EMPTY_STRINGS,
HiveConf.ConfVars.METASTORE_DISALLOW_INCOMPATIBLE_COL_TYPE_CHANGES,
HiveConf.ConfVars.USERS_IN_ADMIN_ROLE,
HiveConf.ConfVars.HIVE_AUTHORIZATION_MANAGER,
HiveConf.ConfVars.HIVE_TXN_MANAGER,
HiveConf.ConfVars.HIVE_TXN_TIMEOUT,
HiveConf.ConfVars.HIVE_TXN_OPERATIONAL_PROPERTIES,
HiveConf.ConfVars.HIVE_TXN_HEARTBEAT_THREADPOOL_SIZE,
HiveConf.ConfVars.HIVE_TXN_MAX_OPEN_BATCH,
HiveConf.ConfVars.HIVE_TXN_RETRYABLE_SQLEX_REGEX,
HiveConf.ConfVars.HIVE_METASTORE_STATS_NDV_TUNER,
HiveConf.ConfVars.HIVE_METASTORE_STATS_NDV_DENSITY_FUNCTION,
HiveConf.ConfVars.METASTORE_AGGREGATE_STATS_CACHE_ENABLED,
HiveConf.ConfVars.METASTORE_AGGREGATE_STATS_CACHE_SIZE,
HiveConf.ConfVars.METASTORE_AGGREGATE_STATS_CACHE_MAX_PARTITIONS,
HiveConf.ConfVars.METASTORE_AGGREGATE_STATS_CACHE_FPP,
HiveConf.ConfVars.METASTORE_AGGREGATE_STATS_CACHE_MAX_VARIANCE,
HiveConf.ConfVars.METASTORE_AGGREGATE_STATS_CACHE_TTL,
HiveConf.ConfVars.METASTORE_AGGREGATE_STATS_CACHE_MAX_WRITER_WAIT,
HiveConf.ConfVars.METASTORE_AGGREGATE_STATS_CACHE_MAX_READER_WAIT,
HiveConf.ConfVars.METASTORE_AGGREGATE_STATS_CACHE_MAX_FULL,
HiveConf.ConfVars.METASTORE_AGGREGATE_STATS_CACHE_CLEAN_UNTIL,
HiveConf.ConfVars.METASTORE_FASTPATH,
HiveConf.ConfVars.METASTORE_HBASE_FILE_METADATA_THREADS,
HiveConf.ConfVars.METASTORE_WM_DEFAULT_POOL_SIZE
};
/**
* User configurable Metastore vars
*/
public static final HiveConf.ConfVars[] metaConfVars = {
HiveConf.ConfVars.METASTORE_TRY_DIRECT_SQL,
HiveConf.ConfVars.METASTORE_TRY_DIRECT_SQL_DDL,
HiveConf.ConfVars.METASTORE_CLIENT_SOCKET_TIMEOUT,
HiveConf.ConfVars.METASTORE_PARTITION_NAME_WHITELIST_PATTERN,
HiveConf.ConfVars.METASTORE_CAPABILITY_CHECK,
HiveConf.ConfVars.METASTORE_DISALLOW_INCOMPATIBLE_COL_TYPE_CHANGES
};
static {
for (ConfVars confVar : metaConfVars) {
metaConfs.put(confVar.varname, confVar);
}
}
public static final String HIVE_LLAP_DAEMON_SERVICE_PRINCIPAL_NAME = "hive.llap.daemon.service.principal";
public static final String HIVE_SERVER2_AUTHENTICATION_LDAP_USERMEMBERSHIPKEY_NAME =
"hive.server2.authentication.ldap.userMembershipKey";
/**
* dbVars are the parameters can be set per database. If these
* parameters are set as a database property, when switching to that
* database, the HiveConf variable will be changed. The change of these
* parameters will effectively change the DFS and MapReduce clusters
* for different databases.
*/
public static final HiveConf.ConfVars[] dbVars = {
HiveConf.ConfVars.HADOOPBIN,
HiveConf.ConfVars.METASTOREWAREHOUSE,
HiveConf.ConfVars.SCRATCHDIR
};
/**
* encoded parameter values are ;-) encoded. Use decoder to get ;-) decoded string
*/
public static final HiveConf.ConfVars[] ENCODED_CONF = {
ConfVars.HIVEQUERYSTRING
};
/**
* Variables used by LLAP daemons.
* TODO: Eventually auto-populate this based on prefixes. The conf variables
* will need to be renamed for this.
*/
private static final Set<String> llapDaemonVarsSet;
private static void populateLlapDaemonVarsSet(Set<String> llapDaemonVarsSetLocal) {
llapDaemonVarsSetLocal.add(ConfVars.LLAP_IO_ENABLED.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_IO_MEMORY_MODE.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_ALLOCATOR_MIN_ALLOC.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_ALLOCATOR_MAX_ALLOC.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_ALLOCATOR_ARENA_COUNT.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_IO_MEMORY_MAX_SIZE.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_ALLOCATOR_DIRECT.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_USE_LRFU.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_LRFU_LAMBDA.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_CACHE_ALLOW_SYNTHETIC_FILEID.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_IO_USE_FILEID_PATH.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_IO_DECODING_METRICS_PERCENTILE_INTERVALS.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_ORC_ENABLE_TIME_COUNTERS.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_IO_THREADPOOL_SIZE.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_KERBEROS_PRINCIPAL.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_KERBEROS_KEYTAB_FILE.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_ZKSM_ZK_CONNECTION_STRING.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_SECURITY_ACL.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_MANAGEMENT_ACL.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_SECURITY_ACL_DENY.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_MANAGEMENT_ACL_DENY.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DELEGATION_TOKEN_LIFETIME.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_MANAGEMENT_RPC_PORT.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_WEB_AUTO_AUTH.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_RPC_NUM_HANDLERS.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_WORK_DIRS.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_YARN_SHUFFLE_PORT.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_YARN_CONTAINER_MB.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_SHUFFLE_DIR_WATCHER_ENABLED.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_AM_LIVENESS_HEARTBEAT_INTERVAL_MS.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_AM_LIVENESS_CONNECTION_TIMEOUT_MS.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_AM_LIVENESS_CONNECTION_SLEEP_BETWEEN_RETRIES_MS.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_NUM_EXECUTORS.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_RPC_PORT.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_MEMORY_PER_INSTANCE_MB.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_XMX_HEADROOM.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_VCPUS_PER_INSTANCE.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_NUM_FILE_CLEANER_THREADS.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_FILE_CLEANUP_DELAY_SECONDS.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_SERVICE_HOSTS.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_SERVICE_REFRESH_INTERVAL.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_ALLOW_PERMANENT_FNS.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_DOWNLOAD_PERMANENT_FNS.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_TASK_SCHEDULER_WAIT_QUEUE_SIZE.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_WAIT_QUEUE_COMPARATOR_CLASS_NAME.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_TASK_SCHEDULER_ENABLE_PREEMPTION.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_TASK_PREEMPTION_METRICS_INTERVALS.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_WEB_PORT.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_WEB_SSL.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_CONTAINER_ID.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_VALIDATE_ACLS.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_LOGGER.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_DAEMON_AM_USE_FQDN.varname);
llapDaemonVarsSetLocal.add(ConfVars.LLAP_OUTPUT_FORMAT_ARROW.varname);
}
/**
* Get a set containing configuration parameter names used by LLAP Server isntances
* @return an unmodifiable set containing llap ConfVars
*/
public static final Set<String> getLlapDaemonConfVars() {
return llapDaemonVarsSet;
}
/**
* ConfVars.
*
* These are the default configuration properties for Hive. Each HiveConf
* object is initialized as follows:
*
* 1) Hadoop configuration properties are applied.
* 2) ConfVar properties with non-null values are overlayed.
* 3) hive-site.xml properties are overlayed.
*
* WARNING: think twice before adding any Hadoop configuration properties
* with non-null values to this list as they will override any values defined
* in the underlying Hadoop configuration.
*/
public static enum ConfVars {
// QL execution stuff
SCRIPTWRAPPER("hive.exec.script.wrapper", null, ""),
PLAN("hive.exec.plan", "", ""),
STAGINGDIR("hive.exec.stagingdir", ".hive-staging",
"Directory name that will be created inside table locations in order to support HDFS encryption. " +
"This is replaces ${hive.exec.scratchdir} for query results with the exception of read-only tables. " +
"In all cases ${hive.exec.scratchdir} is still used for other temporary files, such as job plans."),
SCRATCHDIR("hive.exec.scratchdir", "/tmp/hive",
"HDFS root scratch dir for Hive jobs which gets created with write all (733) permission. " +
"For each connecting user, an HDFS scratch dir: ${hive.exec.scratchdir}/<username> is created, " +
"with ${hive.scratch.dir.permission}."),
REPLDIR("hive.repl.rootdir","/user/${system:user.name}/repl/",
"HDFS root dir for all replication dumps."),
REPLCMENABLED("hive.repl.cm.enabled", false,
"Turn on ChangeManager, so delete files will go to cmrootdir."),
REPLCMDIR("hive.repl.cmrootdir","/user/${system:user.name}/cmroot/",
"Root dir for ChangeManager, used for deleted files."),
REPLCMRETIAN("hive.repl.cm.retain","24h",
new TimeValidator(TimeUnit.HOURS),
"Time to retain removed files in cmrootdir."),
REPLCMINTERVAL("hive.repl.cm.interval","3600s",
new TimeValidator(TimeUnit.SECONDS),
"Inteval for cmroot cleanup thread."),
REPL_FUNCTIONS_ROOT_DIR("hive.repl.replica.functions.root.dir","/user/${system:user.name}/repl/functions/",
"Root directory on the replica warehouse where the repl sub-system will store jars from the primary warehouse"),
REPL_APPROX_MAX_LOAD_TASKS("hive.repl.approx.max.load.tasks", 10000,
"Provide an approximation of the maximum number of tasks that should be executed before \n"
+ "dynamically generating the next set of tasks. The number is approximate as Hive \n"
+ "will stop at a slightly higher number, the reason being some events might lead to a \n"
+ "task increment that would cross the specified limit."),
REPL_PARTITIONS_DUMP_PARALLELISM("hive.repl.partitions.dump.parallelism",100,
"Number of threads that will be used to dump partition data information during repl dump."),
REPL_DUMPDIR_CLEAN_FREQ("hive.repl.dumpdir.clean.freq", "0s",
new TimeValidator(TimeUnit.SECONDS),
"Frequency at which timer task runs to purge expired dump dirs."),
REPL_DUMPDIR_TTL("hive.repl.dumpdir.ttl", "7d",
new TimeValidator(TimeUnit.DAYS),
"TTL of dump dirs before cleanup."),
REPL_DUMP_METADATA_ONLY("hive.repl.dump.metadata.only", false,
"Indicates whether replication dump only metadata information or data + metadata. \n"
+ "This config makes hive.repl.include.external.tables config ineffective."),
REPL_DUMP_INCLUDE_ACID_TABLES("hive.repl.dump.include.acid.tables", false,
"Indicates if repl dump should include information about ACID tables. It should be \n"
+ "used in conjunction with 'hive.repl.dump.metadata.only' to enable copying of \n"
+ "metadata for acid tables which do not require the corresponding transaction \n"
+ "semantics to be applied on target. This can be removed when ACID table \n"
+ "replication is supported."),
REPL_BOOTSTRAP_DUMP_OPEN_TXN_TIMEOUT("hive.repl.bootstrap.dump.open.txn.timeout", "1h",
new TimeValidator(TimeUnit.HOURS),
"Indicates the timeout for all transactions which are opened before triggering bootstrap REPL DUMP. "
+ "If these open transactions are not closed within the timeout value, then REPL DUMP will "
+ "forcefully abort those transactions and continue with bootstrap dump."),
//https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-hdfs/TransparentEncryption.html#Running_as_the_superuser
REPL_ADD_RAW_RESERVED_NAMESPACE("hive.repl.add.raw.reserved.namespace", false,
"For TDE with same encryption keys on source and target, allow Distcp super user to access \n"
+ "the raw bytes from filesystem without decrypting on source and then encrypting on target."),
REPL_INCLUDE_EXTERNAL_TABLES("hive.repl.include.external.tables", false,
"Indicates if repl dump should include information about external tables. It should be \n"
+ "used in conjunction with 'hive.repl.dump.metadata.only' set to false. if 'hive.repl.dump.metadata.only' \n"
+ " is set to true then this config parameter has no effect as external table meta data is flushed \n"
+ " always by default."),
LOCALSCRATCHDIR("hive.exec.local.scratchdir",
"${system:java.io.tmpdir}" + File.separator + "${system:user.name}",
"Local scratch space for Hive jobs"),
DOWNLOADED_RESOURCES_DIR("hive.downloaded.resources.dir",
"${system:java.io.tmpdir}" + File.separator + "${hive.session.id}_resources",
"Temporary local directory for added resources in the remote file system."),
SCRATCHDIRPERMISSION("hive.scratch.dir.permission", "700",
"The permission for the user specific scratch directories that get created."),
SUBMITVIACHILD("hive.exec.submitviachild", false, ""),
SUBMITLOCALTASKVIACHILD("hive.exec.submit.local.task.via.child", true,
"Determines whether local tasks (typically mapjoin hashtable generation phase) runs in \n" +
"separate JVM (true recommended) or not. \n" +
"Avoids the overhead of spawning new JVM, but can lead to out-of-memory issues."),
SCRIPTERRORLIMIT("hive.exec.script.maxerrsize", 100000,
"Maximum number of bytes a script is allowed to emit to standard error (per map-reduce task). \n" +
"This prevents runaway scripts from filling logs partitions to capacity"),
ALLOWPARTIALCONSUMP("hive.exec.script.allow.partial.consumption", false,
"When enabled, this option allows a user script to exit successfully without consuming \n" +
"all the data from the standard input."),
STREAMREPORTERPERFIX("stream.stderr.reporter.prefix", "reporter:",
"Streaming jobs that log to standard error with this prefix can log counter or status information."),
STREAMREPORTERENABLED("stream.stderr.reporter.enabled", true,
"Enable consumption of status and counter messages for streaming jobs."),
COMPRESSRESULT("hive.exec.compress.output", false,
"This controls whether the final outputs of a query (to a local/HDFS file or a Hive table) is compressed. \n" +
"The compression codec and other options are determined from Hadoop config variables mapred.output.compress*"),
COMPRESSINTERMEDIATE("hive.exec.compress.intermediate", false,
"This controls whether intermediate files produced by Hive between multiple map-reduce jobs are compressed. \n" +
"The compression codec and other options are determined from Hadoop config variables mapred.output.compress*"),
COMPRESSINTERMEDIATECODEC("hive.intermediate.compression.codec", "", ""),
COMPRESSINTERMEDIATETYPE("hive.intermediate.compression.type", "", ""),
BYTESPERREDUCER("hive.exec.reducers.bytes.per.reducer", (long) (256 * 1000 * 1000),
"size per reducer.The default is 256Mb, i.e if the input size is 1G, it will use 4 reducers."),
MAXREDUCERS("hive.exec.reducers.max", 1009,
"max number of reducers will be used. If the one specified in the configuration parameter mapred.reduce.tasks is\n" +
"negative, Hive will use this one as the max number of reducers when automatically determine number of reducers."),
PREEXECHOOKS("hive.exec.pre.hooks", "",
"Comma-separated list of pre-execution hooks to be invoked for each statement. \n" +
"A pre-execution hook is specified as the name of a Java class which implements the \n" +
"org.apache.hadoop.hive.ql.hooks.ExecuteWithHookContext interface."),
POSTEXECHOOKS("hive.exec.post.hooks", "",
"Comma-separated list of post-execution hooks to be invoked for each statement. \n" +
"A post-execution hook is specified as the name of a Java class which implements the \n" +
"org.apache.hadoop.hive.ql.hooks.ExecuteWithHookContext interface."),
ONFAILUREHOOKS("hive.exec.failure.hooks", "",
"Comma-separated list of on-failure hooks to be invoked for each statement. \n" +
"An on-failure hook is specified as the name of Java class which implements the \n" +
"org.apache.hadoop.hive.ql.hooks.ExecuteWithHookContext interface."),
QUERYREDACTORHOOKS("hive.exec.query.redactor.hooks", "",
"Comma-separated list of hooks to be invoked for each query which can \n" +
"tranform the query before it's placed in the job.xml file. Must be a Java class which \n" +
"extends from the org.apache.hadoop.hive.ql.hooks.Redactor abstract class."),
CLIENTSTATSPUBLISHERS("hive.client.stats.publishers", "",
"Comma-separated list of statistics publishers to be invoked on counters on each job. \n" +
"A client stats publisher is specified as the name of a Java class which implements the \n" +
"org.apache.hadoop.hive.ql.stats.ClientStatsPublisher interface."),
ATSHOOKQUEUECAPACITY("hive.ats.hook.queue.capacity", 64,
"Queue size for the ATS Hook executor. If the number of outstanding submissions \n" +
"to the ATS executor exceed this amount, the Hive ATS Hook will not try to log queries to ATS."),
EXECPARALLEL("hive.exec.parallel", false, "Whether to execute jobs in parallel"),
EXECPARALLETHREADNUMBER("hive.exec.parallel.thread.number", 8,
"How many jobs at most can be executed in parallel"),
HIVESPECULATIVEEXECREDUCERS("hive.mapred.reduce.tasks.speculative.execution", true,
"Whether speculative execution for reducers should be turned on. "),
HIVECOUNTERSPULLINTERVAL("hive.exec.counters.pull.interval", 1000L,
"The interval with which to poll the JobTracker for the counters the running job. \n" +
"The smaller it is the more load there will be on the jobtracker, the higher it is the less granular the caught will be."),
DYNAMICPARTITIONING("hive.exec.dynamic.partition", true,
"Whether or not to allow dynamic partitions in DML/DDL."),
DYNAMICPARTITIONINGMODE("hive.exec.dynamic.partition.mode", "strict",
"In strict mode, the user must specify at least one static partition\n" +
"in case the user accidentally overwrites all partitions.\n" +
"In nonstrict mode all partitions are allowed to be dynamic."),
DYNAMICPARTITIONMAXPARTS("hive.exec.max.dynamic.partitions", 1000,
"Maximum number of dynamic partitions allowed to be created in total."),
DYNAMICPARTITIONMAXPARTSPERNODE("hive.exec.max.dynamic.partitions.pernode", 100,
"Maximum number of dynamic partitions allowed to be created in each mapper/reducer node."),
MAXCREATEDFILES("hive.exec.max.created.files", 100000L,
"Maximum number of HDFS files created by all mappers/reducers in a MapReduce job."),
DEFAULTPARTITIONNAME("hive.exec.default.partition.name", "__HIVE_DEFAULT_PARTITION__",
"The default partition name in case the dynamic partition column value is null/empty string or any other values that cannot be escaped. \n" +
"This value must not contain any special character used in HDFS URI (e.g., ':', '%', '/' etc). \n" +
"The user has to be aware that the dynamic partition value should not contain this value to avoid confusions."),
DEFAULT_ZOOKEEPER_PARTITION_NAME("hive.lockmgr.zookeeper.default.partition.name", "__HIVE_DEFAULT_ZOOKEEPER_PARTITION__", ""),
// Whether to show a link to the most failed task + debugging tips
SHOW_JOB_FAIL_DEBUG_INFO("hive.exec.show.job.failure.debug.info", true,
"If a job fails, whether to provide a link in the CLI to the task with the\n" +
"most failures, along with debugging hints if applicable."),
JOB_DEBUG_CAPTURE_STACKTRACES("hive.exec.job.debug.capture.stacktraces", true,
"Whether or not stack traces parsed from the task logs of a sampled failed task \n" +
"for each failed job should be stored in the SessionState"),
JOB_DEBUG_TIMEOUT("hive.exec.job.debug.timeout", 30000, ""),
TASKLOG_DEBUG_TIMEOUT("hive.exec.tasklog.debug.timeout", 20000, ""),
OUTPUT_FILE_EXTENSION("hive.output.file.extension", null,
"String used as a file extension for output files. \n" +
"If not set, defaults to the codec extension for text files (e.g. \".gz\"), or no extension otherwise."),
HIVE_IN_TEST("hive.in.test", false, "internal usage only, true in test mode", true),
HIVE_IN_TEST_SSL("hive.in.ssl.test", false, "internal usage only, true in SSL test mode", true),
// TODO: this needs to be removed; see TestReplicationScenarios* comments.
HIVE_IN_TEST_REPL("hive.in.repl.test", false, "internal usage only, true in replication test mode", true),
HIVE_IN_TEST_IDE("hive.in.ide.test", false, "internal usage only, true if test running in ide",
true),
HIVE_TESTING_SHORT_LOGS("hive.testing.short.logs", false,
"internal usage only, used only in test mode. If set true, when requesting the " +
"operation logs the short version (generated by LogDivertAppenderForTest) will be " +
"returned"),
HIVE_TESTING_REMOVE_LOGS("hive.testing.remove.logs", true,
"internal usage only, used only in test mode. If set false, the operation logs, and the " +
"operation log directory will not be removed, so they can be found after the test runs."),
HIVE_IN_TEZ_TEST("hive.in.tez.test", false, "internal use only, true when in testing tez",
true),
HIVE_MAPJOIN_TESTING_NO_HASH_TABLE_LOAD("hive.mapjoin.testing.no.hash.table.load", false, "internal use only, true when in testing map join",
true),
LOCALMODEAUTO("hive.exec.mode.local.auto", false,
"Let Hive determine whether to run in local mode automatically"),
LOCALMODEMAXBYTES("hive.exec.mode.local.auto.inputbytes.max", 134217728L,
"When hive.exec.mode.local.auto is true, input bytes should less than this for local mode."),
LOCALMODEMAXINPUTFILES("hive.exec.mode.local.auto.input.files.max", 4,
"When hive.exec.mode.local.auto is true, the number of tasks should less than this for local mode."),
DROPIGNORESNONEXISTENT("hive.exec.drop.ignorenonexistent", true,
"Do not report an error if DROP TABLE/VIEW/Index/Function specifies a non-existent table/view/function"),
HIVEIGNOREMAPJOINHINT("hive.ignore.mapjoin.hint", true, "Ignore the mapjoin hint"),
HIVE_FILE_MAX_FOOTER("hive.file.max.footer", 100,
"maximum number of lines for footer user can define for a table file"),
HIVE_RESULTSET_USE_UNIQUE_COLUMN_NAMES("hive.resultset.use.unique.column.names", true,
"Make column names unique in the result set by qualifying column names with table alias if needed.\n" +
"Table alias will be added to column names for queries of type \"select *\" or \n" +
"if query explicitly uses table alias \"select r1.x..\"."),
// Hadoop Configuration Properties
// Properties with null values are ignored and exist only for the purpose of giving us
// a symbolic name to reference in the Hive source code. Properties with non-null
// values will override any values set in the underlying Hadoop configuration.
HADOOPBIN("hadoop.bin.path", findHadoopBinary(), "", true),
YARNBIN("yarn.bin.path", findYarnBinary(), "", true),
MAPREDBIN("mapred.bin.path", findMapRedBinary(), "", true),
HIVE_FS_HAR_IMPL("fs.har.impl", "org.apache.hadoop.hive.shims.HiveHarFileSystem",
"The implementation for accessing Hadoop Archives. Note that this won't be applicable to Hadoop versions less than 0.20"),
MAPREDMAXSPLITSIZE(FileInputFormat.SPLIT_MAXSIZE, 256000000L, "", true),
MAPREDMINSPLITSIZE(FileInputFormat.SPLIT_MINSIZE, 1L, "", true),
MAPREDMINSPLITSIZEPERNODE(CombineFileInputFormat.SPLIT_MINSIZE_PERNODE, 1L, "", true),
MAPREDMINSPLITSIZEPERRACK(CombineFileInputFormat.SPLIT_MINSIZE_PERRACK, 1L, "", true),
// The number of reduce tasks per job. Hadoop sets this value to 1 by default
// By setting this property to -1, Hive will automatically determine the correct
// number of reducers.
HADOOPNUMREDUCERS("mapreduce.job.reduces", -1, "", true),
// Metastore stuff. Be sure to update HiveConf.metaVars when you add something here!
METASTOREDBTYPE("hive.metastore.db.type", "DERBY", new StringSet("DERBY", "ORACLE", "MYSQL", "MSSQL", "POSTGRES"),
"Type of database used by the metastore. Information schema & JDBCStorageHandler depend on it."),
/**
* @deprecated Use MetastoreConf.WAREHOUSE
*/
@Deprecated
METASTOREWAREHOUSE("hive.metastore.warehouse.dir", "/user/hive/warehouse",
"location of default database for the warehouse"),
HIVE_METASTORE_WAREHOUSE_EXTERNAL("hive.metastore.warehouse.external.dir", null,
"Default location for external tables created in the warehouse. " +
"If not set or null, then the normal warehouse location will be used as the default location."),
/**
* @deprecated Use MetastoreConf.THRIFT_URIS
*/
@Deprecated
METASTOREURIS("hive.metastore.uris", "",
"Thrift URI for the remote metastore. Used by metastore client to connect to remote metastore."),
/**
* @deprecated Use MetastoreConf.THRIFT_URI_SELECTION
*/
@Deprecated
METASTORESELECTION("hive.metastore.uri.selection", "RANDOM",
new StringSet("SEQUENTIAL", "RANDOM"),
"Determines the selection mechanism used by metastore client to connect to remote " +
"metastore. SEQUENTIAL implies that the first valid metastore from the URIs specified " +
"as part of hive.metastore.uris will be picked. RANDOM implies that the metastore " +
"will be picked randomly"),
/**
* @deprecated Use MetastoreConf.CAPABILITY_CHECK
*/
@Deprecated
METASTORE_CAPABILITY_CHECK("hive.metastore.client.capability.check", true,
"Whether to check client capabilities for potentially breaking API usage."),
METASTORE_CLIENT_CACHE_ENABLED("hive.metastore.client.cache.enabled", false,
"Whether to enable metastore client cache"),
METASTORE_CLIENT_CACHE_EXPIRY_TIME("hive.metastore.client.cache.expiry.time", "120s",
new TimeValidator(TimeUnit.SECONDS), "Expiry time for metastore client cache"),
METASTORE_CLIENT_CACHE_INITIAL_CAPACITY("hive.metastore.client.cache.initial.capacity", 50,
"Initial capacity for metastore client cache"),
METASTORE_CLIENT_CACHE_MAX_CAPACITY("hive.metastore.client.cache.max.capacity", 50,
"Max capacity for metastore client cache"),
METASTORE_CLIENT_CACHE_STATS_ENABLED("hive.metastore.client.cache.stats.enabled", false,
"Whether to enable metastore client cache stats"),
METASTORE_FASTPATH("hive.metastore.fastpath", false,
"Used to avoid all of the proxies and object copies in the metastore. Note, if this is " +
"set, you MUST use a local metastore (hive.metastore.uris must be empty) otherwise " +
"undefined and most likely undesired behavior will result"),
/**
* @deprecated Use MetastoreConf.FS_HANDLER_THREADS_COUNT
*/
@Deprecated
METASTORE_FS_HANDLER_THREADS_COUNT("hive.metastore.fshandler.threads", 15,
"Number of threads to be allocated for metastore handler for fs operations."),
/**
* @deprecated Use MetastoreConf.FILE_METADATA_THREADS
*/
@Deprecated
METASTORE_HBASE_FILE_METADATA_THREADS("hive.metastore.hbase.file.metadata.threads", 1,
"Number of threads to use to read file metadata in background to cache it."),
/**
* @deprecated Use MetastoreConf.URI_RESOLVER
*/
@Deprecated
METASTORE_URI_RESOLVER("hive.metastore.uri.resolver", "",
"If set, fully qualified class name of resolver for hive metastore uri's"),
/**
* @deprecated Use MetastoreConf.THRIFT_CONNECTION_RETRIES
*/
@Deprecated
METASTORETHRIFTCONNECTIONRETRIES("hive.metastore.connect.retries", 3,
"Number of retries while opening a connection to metastore"),
/**
* @deprecated Use MetastoreConf.THRIFT_FAILURE_RETRIES
*/
@Deprecated
METASTORETHRIFTFAILURERETRIES("hive.metastore.failure.retries", 1,
"Number of retries upon failure of Thrift metastore calls"),
/**
* @deprecated Use MetastoreConf.SERVER_PORT
*/
@Deprecated
METASTORE_SERVER_PORT("hive.metastore.port", 9083, "Hive metastore listener port"),
/**
* @deprecated Use MetastoreConf.CLIENT_CONNECT_RETRY_DELAY
*/
@Deprecated
METASTORE_CLIENT_CONNECT_RETRY_DELAY("hive.metastore.client.connect.retry.delay", "1s",
new TimeValidator(TimeUnit.SECONDS),
"Number of seconds for the client to wait between consecutive connection attempts"),
/**
* @deprecated Use MetastoreConf.CLIENT_SOCKET_TIMEOUT
*/
@Deprecated
METASTORE_CLIENT_SOCKET_TIMEOUT("hive.metastore.client.socket.timeout", "600s",
new TimeValidator(TimeUnit.SECONDS),
"MetaStore Client socket timeout in seconds"),
/**
* @deprecated Use MetastoreConf.CLIENT_SOCKET_LIFETIME
*/
@Deprecated
METASTORE_CLIENT_SOCKET_LIFETIME("hive.metastore.client.socket.lifetime", "0s",
new TimeValidator(TimeUnit.SECONDS),
"MetaStore Client socket lifetime in seconds. After this time is exceeded, client\n" +
"reconnects on the next MetaStore operation. A value of 0s means the connection\n" +
"has an infinite lifetime."),
/**
* @deprecated Use MetastoreConf.PWD
*/
@Deprecated
METASTOREPWD("javax.jdo.option.ConnectionPassword", "mine",
"password to use against metastore database"),
/**
* @deprecated Use MetastoreConf.CONNECT_URL_HOOK
*/
@Deprecated
METASTORECONNECTURLHOOK("hive.metastore.ds.connection.url.hook", "",
"Name of the hook to use for retrieving the JDO connection URL. If empty, the value in javax.jdo.option.ConnectionURL is used"),
/**
* @deprecated Use MetastoreConf.MULTITHREADED
*/
@Deprecated
METASTOREMULTITHREADED("javax.jdo.option.Multithreaded", true,
"Set this to true if multiple threads access metastore through JDO concurrently."),
/**
* @deprecated Use MetastoreConf.CONNECT_URL_KEY
*/
@Deprecated
METASTORECONNECTURLKEY("javax.jdo.option.ConnectionURL",
"jdbc:derby:;databaseName=metastore_db;create=true",
"JDBC connect string for a JDBC metastore.\n" +
"To use SSL to encrypt/authenticate the connection, provide database-specific SSL flag in the connection URL.\n" +
"For example, jdbc:postgresql://myhost/db?ssl=true for postgres database."),
/**
* @deprecated Use MetastoreConf.DBACCESS_SSL_PROPS
*/
@Deprecated
METASTORE_DBACCESS_SSL_PROPS("hive.metastore.dbaccess.ssl.properties", "",
"Comma-separated SSL properties for metastore to access database when JDO connection URL\n" +
"enables SSL access. e.g. javax.net.ssl.trustStore=/tmp/truststore,javax.net.ssl.trustStorePassword=pwd."),
/**
* @deprecated Use MetastoreConf.HMS_HANDLER_ATTEMPTS
*/
@Deprecated
HMSHANDLERATTEMPTS("hive.hmshandler.retry.attempts", 10,
"The number of times to retry a HMSHandler call if there were a connection error."),
/**
* @deprecated Use MetastoreConf.HMS_HANDLER_INTERVAL
*/
@Deprecated
HMSHANDLERINTERVAL("hive.hmshandler.retry.interval", "2000ms",
new TimeValidator(TimeUnit.MILLISECONDS), "The time between HMSHandler retry attempts on failure."),
/**
* @deprecated Use MetastoreConf.HMS_HANDLER_FORCE_RELOAD_CONF
*/
@Deprecated
HMSHANDLERFORCERELOADCONF("hive.hmshandler.force.reload.conf", false,
"Whether to force reloading of the HMSHandler configuration (including\n" +
"the connection URL, before the next metastore query that accesses the\n" +
"datastore. Once reloaded, this value is reset to false. Used for\n" +
"testing only."),
/**
* @deprecated Use MetastoreConf.SERVER_MAX_MESSAGE_SIZE
*/
@Deprecated
METASTORESERVERMAXMESSAGESIZE("hive.metastore.server.max.message.size", 100*1024*1024L,
"Maximum message size in bytes a HMS will accept."),
/**
* @deprecated Use MetastoreConf.SERVER_MIN_THREADS
*/
@Deprecated
METASTORESERVERMINTHREADS("hive.metastore.server.min.threads", 200,
"Minimum number of worker threads in the Thrift server's pool."),
/**
* @deprecated Use MetastoreConf.SERVER_MAX_THREADS
*/
@Deprecated
METASTORESERVERMAXTHREADS("hive.metastore.server.max.threads", 1000,
"Maximum number of worker threads in the Thrift server's pool."),
/**
* @deprecated Use MetastoreConf.TCP_KEEP_ALIVE
*/
@Deprecated
METASTORE_TCP_KEEP_ALIVE("hive.metastore.server.tcp.keepalive", true,
"Whether to enable TCP keepalive for the metastore server. Keepalive will prevent accumulation of half-open connections."),
/**
* @deprecated Use MetastoreConf.WM_DEFAULT_POOL_SIZE
*/
@Deprecated
METASTORE_WM_DEFAULT_POOL_SIZE("hive.metastore.wm.default.pool.size", 4,
"The size of a default pool to create when creating an empty resource plan;\n" +
"If not positive, no default pool will be created."),
METASTORE_INT_ORIGINAL("hive.metastore.archive.intermediate.original",
"_INTERMEDIATE_ORIGINAL",
"Intermediate dir suffixes used for archiving. Not important what they\n" +
"are, as long as collisions are avoided"),
METASTORE_INT_ARCHIVED("hive.metastore.archive.intermediate.archived",
"_INTERMEDIATE_ARCHIVED", ""),
METASTORE_INT_EXTRACTED("hive.metastore.archive.intermediate.extracted",
"_INTERMEDIATE_EXTRACTED", ""),
/**
* @deprecated Use MetastoreConf.KERBEROS_KEYTAB_FILE
*/
@Deprecated
METASTORE_KERBEROS_KEYTAB_FILE("hive.metastore.kerberos.keytab.file", "",
"The path to the Kerberos Keytab file containing the metastore Thrift server's service principal."),
/**
* @deprecated Use MetastoreConf.KERBEROS_PRINCIPAL
*/
@Deprecated
METASTORE_KERBEROS_PRINCIPAL("hive.metastore.kerberos.principal",
"hive-metastore/_HOST@EXAMPLE.COM",
"The service principal for the metastore Thrift server. \n" +
"The special string _HOST will be replaced automatically with the correct host name."),
/**
* @deprecated Use MetastoreConf.CLIENT_KERBEROS_PRINCIPAL
*/
@Deprecated
METASTORE_CLIENT_KERBEROS_PRINCIPAL("hive.metastore.client.kerberos.principal",
"", // E.g. "hive-metastore/_HOST@EXAMPLE.COM".
"The Kerberos principal associated with the HA cluster of hcat_servers."),
/**
* @deprecated Use MetastoreConf.USE_THRIFT_SASL
*/
@Deprecated
METASTORE_USE_THRIFT_SASL("hive.metastore.sasl.enabled", false,
"If true, the metastore Thrift interface will be secured with SASL. Clients must authenticate with Kerberos."),
/**
* @deprecated Use MetastoreConf.USE_THRIFT_FRAMED_TRANSPORT
*/
@Deprecated
METASTORE_USE_THRIFT_FRAMED_TRANSPORT("hive.metastore.thrift.framed.transport.enabled", false,
"If true, the metastore Thrift interface will use TFramedTransport. When false (default) a standard TTransport is used."),
/**
* @deprecated Use MetastoreConf.USE_THRIFT_COMPACT_PROTOCOL
*/
@Deprecated
METASTORE_USE_THRIFT_COMPACT_PROTOCOL("hive.metastore.thrift.compact.protocol.enabled", false,
"If true, the metastore Thrift interface will use TCompactProtocol. When false (default) TBinaryProtocol will be used.\n" +
"Setting it to true will break compatibility with older clients running TBinaryProtocol."),
/**
* @deprecated Use MetastoreConf.TOKEN_SIGNATURE
*/
@Deprecated
METASTORE_TOKEN_SIGNATURE("hive.metastore.token.signature", "",
"The delegation token service name to match when selecting a token from the current user's tokens."),
/**
* @deprecated Use MetastoreConf.DELEGATION_TOKEN_STORE_CLS
*/
@Deprecated
METASTORE_CLUSTER_DELEGATION_TOKEN_STORE_CLS("hive.cluster.delegation.token.store.class",
"org.apache.hadoop.hive.thrift.MemoryTokenStore",
"The delegation token store implementation. Set to org.apache.hadoop.hive.thrift.ZooKeeperTokenStore for load-balanced cluster."),
METASTORE_CLUSTER_DELEGATION_TOKEN_STORE_ZK_CONNECTSTR(
"hive.cluster.delegation.token.store.zookeeper.connectString", "",
"The ZooKeeper token store connect string. You can re-use the configuration value\n" +
"set in hive.zookeeper.quorum, by leaving this parameter unset."),
METASTORE_CLUSTER_DELEGATION_TOKEN_STORE_ZK_ZNODE(
"hive.cluster.delegation.token.store.zookeeper.znode", "/hivedelegation",
"The root path for token store data. Note that this is used by both HiveServer2 and\n" +
"MetaStore to store delegation Token. One directory gets created for each of them.\n" +
"The final directory names would have the servername appended to it (HIVESERVER2,\n" +
"METASTORE)."),
METASTORE_CLUSTER_DELEGATION_TOKEN_STORE_ZK_ACL(
"hive.cluster.delegation.token.store.zookeeper.acl", "",
"ACL for token store entries. Comma separated list of ACL entries. For example:\n" +
"sasl:hive/host1@MY.DOMAIN:cdrwa,sasl:hive/host2@MY.DOMAIN:cdrwa\n" +
"Defaults to all permissions for the hiveserver2/metastore process user."),
/**
* @deprecated Use MetastoreConf.CACHE_PINOBJTYPES
*/
@Deprecated
METASTORE_CACHE_PINOBJTYPES("hive.metastore.cache.pinobjtypes", "Table,StorageDescriptor,SerDeInfo,Partition,Database,Type,FieldSchema,Order",
"List of comma separated metastore object types that should be pinned in the cache"),
/**
* @deprecated Use MetastoreConf.CONNECTION_POOLING_TYPE
*/
@Deprecated
METASTORE_CONNECTION_POOLING_TYPE("datanucleus.connectionPoolingType", "HikariCP", new StringSet("BONECP", "DBCP",
"HikariCP", "NONE"),
"Specify connection pool library for datanucleus"),
/**
* @deprecated Use MetastoreConf.CONNECTION_POOLING_MAX_CONNECTIONS
*/
@Deprecated
METASTORE_CONNECTION_POOLING_MAX_CONNECTIONS("datanucleus.connectionPool.maxPoolSize", 10,
"Specify the maximum number of connections in the connection pool. Note: The configured size will be used by\n" +
"2 connection pools (TxnHandler and ObjectStore). When configuring the max connection pool size, it is\n" +
"recommended to take into account the number of metastore instances and the number of HiveServer2 instances\n" +
"configured with embedded metastore. To get optimal performance, set config to meet the following condition\n"+
"(2 * pool_size * metastore_instances + 2 * pool_size * HS2_instances_with_embedded_metastore) = \n" +
"(2 * physical_core_count + hard_disk_count)."),
// Workaround for DN bug on Postgres:
// http://www.datanucleus.org/servlet/forum/viewthread_thread,7985_offset
/**
* @deprecated Use MetastoreConf.DATANUCLEUS_INIT_COL_INFO
*/
@Deprecated
METASTORE_DATANUCLEUS_INIT_COL_INFO("datanucleus.rdbms.initializeColumnInfo", "NONE",
"initializeColumnInfo setting for DataNucleus; set to NONE at least on Postgres."),
/**
* @deprecated Use MetastoreConf.VALIDATE_TABLES
*/
@Deprecated
METASTORE_VALIDATE_TABLES("datanucleus.schema.validateTables", false,
"validates existing schema against code. turn this on if you want to verify existing schema"),
/**
* @deprecated Use MetastoreConf.VALIDATE_COLUMNS
*/
@Deprecated
METASTORE_VALIDATE_COLUMNS("datanucleus.schema.validateColumns", false,
"validates existing schema against code. turn this on if you want to verify existing schema"),
/**
* @deprecated Use MetastoreConf.VALIDATE_CONSTRAINTS
*/
@Deprecated
METASTORE_VALIDATE_CONSTRAINTS("datanucleus.schema.validateConstraints", false,
"validates existing schema against code. turn this on if you want to verify existing schema"),
/**
* @deprecated Use MetastoreConf.STORE_MANAGER_TYPE
*/
@Deprecated
METASTORE_STORE_MANAGER_TYPE("datanucleus.storeManagerType", "rdbms", "metadata store type"),
/**
* @deprecated Use MetastoreConf.AUTO_CREATE_ALL
*/
@Deprecated
METASTORE_AUTO_CREATE_ALL("datanucleus.schema.autoCreateAll", false,
"Auto creates necessary schema on a startup if one doesn't exist. Set this to false, after creating it once."
+ "To enable auto create also set hive.metastore.schema.verification=false. Auto creation is not "
+ "recommended for production use cases, run schematool command instead." ),
/**
* @deprecated Use MetastoreConf.SCHEMA_VERIFICATION
*/
@Deprecated
METASTORE_SCHEMA_VERIFICATION("hive.metastore.schema.verification", true,
"Enforce metastore schema version consistency.\n" +
"True: Verify that version information stored in is compatible with one from Hive jars. Also disable automatic\n" +
" schema migration attempt. Users are required to manually migrate schema after Hive upgrade which ensures\n" +
" proper metastore schema migration. (Default)\n" +
"False: Warn if the version information stored in metastore doesn't match with one from in Hive jars."),
/**