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https://issues.apache.org/jira/browse/HIVE-29735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Denys Kuzmenko updated HIVE-29735:
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Description: If the AUX_TABLE update in
TxnStoreMutex.LockHandleImpl.releaseLocks(Long) fails with a
DataAccessException (e.g. MySQL closed an idle connection via wait_timeout
while the mutex was held across a long compaction Initiator cycle), the
exception is caught and only logged - the transaction opened in acquireLock()
is neither committed nor rolled back, and the connection is never released back
to the pool.
> TxnStoreMutex.releaseLocks does not release the connection on failure
> ---------------------------------------------------------------------
>
> Key: HIVE-29735
> URL: https://issues.apache.org/jira/browse/HIVE-29735
> Project: Hive
> Issue Type: Bug
> Components: Standalone Metastore, Transactions
> Reporter: Denys Kuzmenko
> Priority: Major
>
> If the AUX_TABLE update in TxnStoreMutex.LockHandleImpl.releaseLocks(Long)
> fails with a DataAccessException (e.g. MySQL closed an idle connection via
> wait_timeout while the mutex was held across a long compaction Initiator
> cycle), the exception is caught and only logged - the transaction opened in
> acquireLock() is neither committed nor rolled back, and the connection is
> never released back to the pool.
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