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https://issues.apache.org/jira/browse/IOTDB-5712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17703904#comment-17703904
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刘珍 commented on IOTDB-5712:
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数据备份：192.168.10.76 /data/mpp_test/m_0321_8441842/data_iotdb_5712 和
/data/mpp_test/data_iotdb_5712 都有保存。
> Concurrent bug in memory pool caused by identitySink
> ----------------------------------------------------
>
> Key: IOTDB-5712
> URL: https://issues.apache.org/jira/browse/IOTDB-5712
> Project: Apache IoTDB
> Issue Type: Bug
> Reporter: Alima777
> Assignee: Alima777
> Priority: Major
> Labels: pull-request-available
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> Alls sinkChannels of identitySink shares the planNodeId of identitySinkNode.
> Therefore, when the first child closes the sharedTsBlockQueue, it will try to
> clear the queryMemoryMap related about planNodeId. However, the second child
> can reserve, free or clear the queryMemoryMap of the same planNodeId
> concurrently.
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