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https://issues.apache.org/jira/browse/HDDS-15665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang updated HDDS-15665:
-----------------------------------
Release Note: Fixed a race condition in the datanode transaction iterator
that could cause already-deleted transactions to be loaded and reprocessed
after a flush.
> Race condition of deletingTxIDs between readOnlyIterator and onFlush
> --------------------------------------------------------------------
>
> Key: HDDS-15665
> URL: https://issues.apache.org/jira/browse/HDDS-15665
> Project: Apache Ozone
> Issue Type: Improvement
> Reporter: Sammi Chen
> Assignee: Sammi Chen
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.3.0, 2.2.1
>
>
> While readOnlyIterator returns an iterator for getTransactions to use,
> readOnlyIterator skips elements which are already in deletingTxIDs, while
> before readOnlyIterator is closed, another thread can call onFlush to cleanup
> the deletingTxIDs, causing finished transactions be loaded again for delete.
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