forked from apache/pulsar
/
ManagedLedgerMBeanImpl.java
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/
ManagedLedgerMBeanImpl.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.bookkeeper.mledger.impl;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.LongAdder;
import org.apache.bookkeeper.mledger.ManagedCursor;
import org.apache.bookkeeper.mledger.ManagedLedgerMXBean;
import org.apache.bookkeeper.mledger.proto.PendingBookieOpsStats;
import org.apache.bookkeeper.mledger.util.StatsBuckets;
import org.apache.pulsar.common.stats.Rate;
public class ManagedLedgerMBeanImpl implements ManagedLedgerMXBean {
public static final long[] ENTRY_LATENCY_BUCKETS_USEC = { 500, 1_000, 5_000, 10_000, 20_000, 50_000, 100_000,
200_000, 1000_000 };
public static final long[] ENTRY_SIZE_BUCKETS_BYTES = { 128, 512, 1024, 2048, 4096, 16_384, 102_400, 1_232_896 };
private final ManagedLedgerImpl managedLedger;
private final Rate addEntryOps = new Rate();
private final Rate addEntryOpsFailed = new Rate();
private final Rate readEntriesOps = new Rate();
private final Rate readEntriesOpsFailed = new Rate();
private final Rate markDeleteOps = new Rate();
private final LongAdder dataLedgerOpenOp = new LongAdder();
private final LongAdder dataLedgerCloseOp = new LongAdder();
private final LongAdder dataLedgerCreateOp = new LongAdder();
private final LongAdder dataLedgerDeleteOp = new LongAdder();
private final LongAdder cursorLedgerOpenOp = new LongAdder();
private final LongAdder cursorLedgerCloseOp = new LongAdder();
private final LongAdder cursorLedgerCreateOp = new LongAdder();
private final LongAdder cursorLedgerDeleteOp = new LongAdder();
// addEntryLatencyStatsUsec measure total latency including time entry spent while waiting in queue
private final StatsBuckets addEntryLatencyStatsUsec = new StatsBuckets(ENTRY_LATENCY_BUCKETS_USEC);
// ledgerAddEntryLatencyStatsUsec measure latency to persist entry into ledger
private final StatsBuckets ledgerAddEntryLatencyStatsUsec = new StatsBuckets(ENTRY_LATENCY_BUCKETS_USEC);
private final StatsBuckets ledgerSwitchLatencyStatsUsec = new StatsBuckets(ENTRY_LATENCY_BUCKETS_USEC);
private final StatsBuckets entryStats = new StatsBuckets(ENTRY_SIZE_BUCKETS_BYTES);
public ManagedLedgerMBeanImpl(ManagedLedgerImpl managedLedger) {
this.managedLedger = managedLedger;
}
public void refreshStats(long period, TimeUnit unit) {
double seconds = unit.toMillis(period) / 1000.0;
addEntryOps.calculateRate(seconds);
addEntryOpsFailed.calculateRate(seconds);
readEntriesOps.calculateRate(seconds);
readEntriesOpsFailed.calculateRate(seconds);
markDeleteOps.calculateRate(seconds);
addEntryLatencyStatsUsec.refresh();
ledgerAddEntryLatencyStatsUsec.refresh();
ledgerSwitchLatencyStatsUsec.refresh();
entryStats.refresh();
}
public void addAddEntrySample(long size) {
addEntryOps.recordEvent(size);
entryStats.addValue(size);
}
public void addMarkDeleteOp() {
markDeleteOps.recordEvent();
}
public void recordAddEntryError() {
addEntryOpsFailed.recordEvent();
}
public void recordReadEntriesError() {
readEntriesOpsFailed.recordEvent();
}
public void addAddEntryLatencySample(long latency, TimeUnit unit) {
addEntryLatencyStatsUsec.addValue(unit.toMicros(latency));
}
public void addLedgerAddEntryLatencySample(long latency, TimeUnit unit) {
ledgerAddEntryLatencyStatsUsec.addValue(unit.toMicros(latency));
}
public void addLedgerSwitchLatencySample(long latency, TimeUnit unit) {
ledgerSwitchLatencyStatsUsec.addValue(unit.toMicros(latency));
}
public void addReadEntriesSample(int count, long totalSize) {
readEntriesOps.recordMultipleEvents(count, totalSize);
}
public void startDataLedgerOpenOp() {
dataLedgerOpenOp.increment();
}
public void endDataLedgerOpenOp() {
dataLedgerOpenOp.decrement();
}
public void startDataLedgerCloseOp() {
dataLedgerCloseOp.increment();
}
public void endDataLedgerCloseOp() {
dataLedgerCloseOp.decrement();
}
public void startDataLedgerCreateOp() {
dataLedgerCreateOp.increment();
}
public void endDataLedgerCreateOp() {
dataLedgerCreateOp.decrement();
}
public void startDataLedgerDeleteOp() {
dataLedgerDeleteOp.increment();
}
public void endDataLedgerDeleteOp() {
dataLedgerDeleteOp.decrement();
}
public void startCursorLedgerOpenOp() {
cursorLedgerOpenOp.increment();
}
public void endCursorLedgerOpenOp() {
cursorLedgerOpenOp.decrement();
}
public void startCursorLedgerCloseOp() {
cursorLedgerCloseOp.increment();
}
public void endCursorLedgerCloseOp() {
cursorLedgerCloseOp.decrement();
}
public void startCursorLedgerCreateOp() {
cursorLedgerCreateOp.increment();
}
public void endCursorLedgerCreateOp() {
cursorLedgerCreateOp.decrement();
}
public void startCursorLedgerDeleteOp() {
cursorLedgerDeleteOp.increment();
}
public void endCursorLedgerDeleteOp() {
cursorLedgerDeleteOp.decrement();
}
@Override
public String getName() {
return managedLedger.getName();
}
@Override
public double getAddEntryMessagesRate() {
return addEntryOps.getRate();
}
@Override
public double getAddEntryBytesRate() {
return addEntryOps.getValueRate();
}
@Override
public double getReadEntriesRate() {
return readEntriesOps.getRate();
}
@Override
public double getReadEntriesBytesRate() {
return readEntriesOps.getValueRate();
}
@Override
public long getAddEntrySucceed() {
return addEntryOps.getCount();
}
@Override
public long getAddEntryErrors() {
return addEntryOpsFailed.getCount();
}
@Override
public long getReadEntriesSucceeded() {
return readEntriesOps.getCount();
}
@Override
public long getReadEntriesErrors() {
return readEntriesOpsFailed.getCount();
}
@Override
public double getMarkDeleteRate() {
return markDeleteOps.getRate();
}
@Override
public double getEntrySizeAverage() {
return entryStats.getAvg();
}
@Override
public long[] getEntrySizeBuckets() {
return entryStats.getBuckets();
}
@Override
public double getAddEntryLatencyAverageUsec() {
return addEntryLatencyStatsUsec.getAvg();
}
@Override
public long[] getAddEntryLatencyBuckets() {
return addEntryLatencyStatsUsec.getBuckets();
}
@Override
public double getLedgerAddEntryLatencyAverageUsec() {
return ledgerAddEntryLatencyStatsUsec.getAvg();
}
@Override
public long[] getLedgerAddEntryLatencyBuckets() {
return ledgerAddEntryLatencyStatsUsec.getBuckets();
}
@Override
public long[] getLedgerSwitchLatencyBuckets() {
return ledgerSwitchLatencyStatsUsec.getBuckets();
}
@Override
public StatsBuckets getInternalAddEntryLatencyBuckets() {
return addEntryLatencyStatsUsec;
}
@Override
public StatsBuckets getInternalLedgerAddEntryLatencyBuckets() {
return ledgerAddEntryLatencyStatsUsec;
}
@Override
public StatsBuckets getInternalEntrySizeBuckets() {
return entryStats;
}
@Override
public double getLedgerSwitchLatencyAverageUsec() {
return ledgerSwitchLatencyStatsUsec.getAvg();
}
@Override
public long getStoredMessagesSize() {
return managedLedger.getTotalSize() * managedLedger.getConfig().getWriteQuorumSize();
}
@Override
public long getStoredMessagesLogicalSize() {
return managedLedger.getTotalSize();
}
@Override
public long getNumberOfMessagesInBacklog() {
long count = 0;
for (ManagedCursor cursor : managedLedger.getCursors()) {
count += cursor.getNumberOfEntriesInBacklog(false);
}
return count;
}
@Override
public PendingBookieOpsStats getPendingBookieOpsStats() {
PendingBookieOpsStats result = new PendingBookieOpsStats();
result.dataLedgerOpenOp = dataLedgerOpenOp.longValue();
result.dataLedgerCloseOp = dataLedgerCloseOp.longValue();
result.dataLedgerCreateOp = dataLedgerCreateOp.longValue();
result.dataLedgerDeleteOp = dataLedgerDeleteOp.longValue();
result.cursorLedgerOpenOp = cursorLedgerOpenOp.longValue();
result.cursorLedgerCloseOp = cursorLedgerCloseOp.longValue();
result.cursorLedgerCreateOp = cursorLedgerCreateOp.longValue();
result.cursorLedgerDeleteOp = cursorLedgerDeleteOp.longValue();
return result;
}
}