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From "Eugene Koifman (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-11934) Transaction lock retry logic results in infinite loop
Date Wed, 23 Sep 2015 19:22:04 GMT

     [ https://issues.apache.org/jira/browse/HIVE-11934?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eugene Koifman updated HIVE-11934:
----------------------------------
    Component/s: Transactions

> Transaction lock retry logic results in infinite loop
> -----------------------------------------------------
>
>                 Key: HIVE-11934
>                 URL: https://issues.apache.org/jira/browse/HIVE-11934
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2, Transactions
>    Affects Versions: 1.2.1
>            Reporter: Steve Howard
>            Priority: Minor
>
> We reset the deadlock count to 0 every time the lock() method is called in org.apache.hadoop.hive.metastore.txn.TxnHandler,
so the ten count is never reached in checkRetryable().
> We should let checkRetryable handle the deadlock count.
>   public LockResponse lock(LockRequest rqst)
>     throws NoSuchTxnException, TxnAbortedException, MetaException
>   {
> >>>    this.deadlockCnt = 0; <<<
>     try
>     {
>       Connection dbConn = null;
>       try
>       {



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