| Interface | Description |
|---|---|
| TxnStore |
A handler to answer transaction related calls that come into the metastore
server.
|
| TxnStore.MutexAPI |
This is primarily designed to provide coarse grained mutex support to operations running
inside the Metastore (of which there could be several instances).
|
| TxnStore.MutexAPI.LockHandle |
| Class | Description |
|---|---|
| AcidCompactionHistoryService |
Purges obsolete items from compaction history data
|
| AcidHouseKeeperService |
Performs background tasks for Transaction management in Hive.
|
| AcidOpenTxnsCounterService |
Background running thread, periodically updating number of open transactions.
|
| AcidWriteSetService |
Periodically cleans WriteSet tracking information used in Transaction management
|
| CompactionInfo |
Information on a possible or running compaction.
|
| TxnDbUtil |
Utility methods for creating and destroying txn database/schema, plus methods for
querying against metastore tables.
|
| TxnUtils |
| Enum | Description |
|---|---|
| TxnStore.MUTEX_KEY |
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