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https://issues.apache.org/jira/browse/HADOOP-18546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17641901#comment-17641901
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ASF GitHub Bot commented on HADOOP-18546:
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pranavsaxena-microsoft commented on PR #5176:
URL: https://github.com/apache/hadoop/pull/5176#issuecomment-1333736063
> ReadAhead feature can reenabled back by default as we are undoing the
known problem in the corruption issue reported before. Please include the
change into this PR.
>
> Also have some comments on tests. Please take a look.
Commit
https://github.com/apache/hadoop/commit/69e50c7b4499bffc1eb372799ccba3f26c5fe54e
([HADOOP-18528](https://issues.apache.org/jira/browse/HADOOP-18528). Disable
abfs prefetching by default (https://github.com/apache/hadoop/pull/5134)) is
reverted in the PR on commit:
https://github.com/apache/hadoop/pull/5176/commits/02d39ca453c35cfe69c7c78ed3fcae00c7211615.
> disable purging list of in progress reads in abfs stream closed
> ---------------------------------------------------------------
>
> Key: HADOOP-18546
> URL: https://issues.apache.org/jira/browse/HADOOP-18546
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/azure
> Affects Versions: 3.3.4
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Major
> Labels: pull-request-available
>
> turn off the prune of in progress reads in
> ReadBufferManager::purgeBuffersForStream
> this will ensure active prefetches for a closed stream complete. they wiill
> then get to the completed list and hang around until evicted by timeout, but
> at least prefetching will be safe.
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