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From "Vladimir Ozerov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-11152) IgniteTxManager.idMap possible memory leak
Date Mon, 11 Mar 2019 06:32:00 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-11152?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vladimir Ozerov updated IGNITE-11152:
-------------------------------------
    Labels: memory-leak transactions  (was: memory-leak mvcc_stabilization_stage_1 transactions)

> IgniteTxManager.idMap possible memory leak
> ------------------------------------------
>
>                 Key: IGNITE-11152
>                 URL: https://issues.apache.org/jira/browse/IGNITE-11152
>             Project: Ignite
>          Issue Type: Bug
>          Components: mvcc
>            Reporter: Stepachev Maksim
>            Assignee: Roman Kondakov
>            Priority: Major
>              Labels: memory-leak, transactions
>             Fix For: 2.8
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> CacheContinuousQueryAsyncFailoverMvccTxSelfTest.testMultiThreadedFailover sometimes finished
with OMM.
> Heapdump analyze showed that leak happened in IgniteTxManager.idMap, this map contains
*2_097_152* instances of GridNearTxLocal with *ACTIVE state* and *without* finishFut *and
prepFut.*
>  
> {code:java}
> while (!updated) {
>  try {
>  prevVal = (Integer)qryClnCache.getAndPut(key, val);
> updated = true;
>  }
>  catch (CacheException e) {
>  assertSame(atomicityMode(), CacheAtomicityMode.TRANSACTIONAL_SNAPSHOT);
>  }
>  }
> {code}
>  
>  
> Possible the CacheException is common and may hide wrong cases. Change it at specific
(ignite-10976).  



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