[#22375] docdb: Enable CDC immediate transaction cleanup

Summary:
Enable CDC immediate transaction cleanup introduced in
D31900 / 559b2b0.

This enables cdc_immediate_transaction_cleanup and
docdb_ht_filter_intents in release, and converts
cdc_write_post_apply_metadata into an autoflag.
Jira: DB-11275

Test Plan: Jenkins

Reviewers: sergei

Reviewed By: sergei

Subscribers: rthallam, ybase

Differential Revision: https://phorge.dev.yugabyte.com/D34678

src/yb/docdb/doc_ql_filefilter.cc

@@ -21,9 +21,7 @@
 
 #include "yb/rocksdb/db/compaction.h"
 
-#include "yb/util/debug.h"
-
-DEFINE_RUNTIME_bool(docdb_ht_filter_intents, yb::kIsDebug,
+DEFINE_RUNTIME_bool(docdb_ht_filter_intents, true,
                     "Use hybrid time SST filter when scanning intents.");
 
 namespace yb::docdb {

src/yb/tablet/transaction_participant.cc

@@ -52,7 +52,6 @@
 #include "yb/util/async_util.h"
 #include "yb/util/callsite_profiling.h"
 #include "yb/util/countdown_latch.h"
-#include "yb/util/debug.h"
 #include "yb/util/flags.h"
 #include "yb/util/format.h"
 #include "yb/util/logging.h"
@@ -104,12 +103,11 @@ DEFINE_NON_RUNTIME_int32(wait_queue_poll_interval_ms, 100,
     "The interval duration between wait queue polls to fetch transaction statuses of "
     "active blockers.");
 
-// TODO: this should be turned into an autoflag.
-DEFINE_RUNTIME_bool(cdc_write_post_apply_metadata, yb::kIsDebug,
+DEFINE_RUNTIME_AUTO_bool(cdc_write_post_apply_metadata, kLocalPersisted, false, true,
     "Write post-apply transaction metadata to intentsdb for transaction that have been applied but "
     " have not yet been streamed by CDC.");
 
-DEFINE_RUNTIME_bool(cdc_immediate_transaction_cleanup, yb::kIsDebug,
+DEFINE_RUNTIME_bool(cdc_immediate_transaction_cleanup, true,
     "Clean up transactions from memory after apply, even if its changes have not yet been "
     "streamed by CDC.");