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Review request for hive, Denys Kuzmenko and Peter Vary. Repository: hive-git Description ------- Consolidate different metastore housekeeper threads into one, move cleaner methods out of compactor initiator. Create separate txn cleaner service which will need to run more frequently. Diffs ----- common/src/java/org/apache/hadoop/hive/conf/HiveConf.java 829791e0a9 ql/src/java/org/apache/hadoop/hive/ql/txn/compactor/Initiator.java 23512e252e ql/src/test/org/apache/hadoop/hive/ql/TestTxnCommands2.java 48bf8529fa ql/src/test/org/apache/hadoop/hive/ql/TestTxnCommands3.java 5b8c6701e1 ql/src/test/org/apache/hadoop/hive/ql/TestTxnCommandsForMmTable.java eac2c6307f ql/src/test/org/apache/hadoop/hive/ql/lockmgr/TestDbTxnManager2.java 1687425bcb ql/src/test/org/apache/hadoop/hive/ql/txn/compactor/TestInitiator.java e4ff14a140 standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/conf/MetastoreConf.java 842b7fe53d standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaStore.java 7bba8d6ee6 standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/MaterializationsRebuildLockCleanerTask.java d35c9602a6 standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/AcidCompactionHistoryService.java e96a7ba289 standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/AcidHouseKeeperService.java c4a488bac0 standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/AcidOpenTxnsCounterService.java 2ad5a89f03 standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/AcidWriteSetService.java 5ec513dfd4 standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/TxnHandler.java 8fded608d0 standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/TxnStore.java e8ac71ae55 standalone-metastore/metastore-server/src/test/java/org/apache/hadoop/hive/metastore/conf/TestMetastoreConf.java 9905a14983 standalone-metastore/metastore-server/src/test/java/org/apache/hadoop/hive/metastore/txn/TestAcidEmptyTxnCleanerService.java PRE-CREATION Diff: https://reviews.apache.org/r/72469/diff/1/ Testing ------- Thanks, Marton Bod