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https://issues.apache.org/jira/browse/HADOOP-18546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17645352#comment-17645352
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ASF GitHub Bot commented on HADOOP-18546:
-----------------------------------------
steveloughran commented on PR #5176:
URL: https://github.com/apache/hadoop/pull/5176#issuecomment-1344461171
(oh, and on my personal backport I have added a TRACE log in the buffer
manager to record its state; abfsInputStream.toString does it too.
```
private ReadBufferManager() {
LOGGER.trace("Creating readbuffer manager with HADOOP-18546 patch");
}
```
think i will retain those internally for a debug option
> 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: Pranav Saxena
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0, 3.3.5
>
>
> 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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