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https://issues.apache.org/jira/browse/SOLR-14684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17172990#comment-17172990
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Cao Manh Dat commented on SOLR-14684:
-------------------------------------
Ok, I figured out the problem for this issue. In the past we never check wether
a request is already timeout or not before sending request to other shards. So
in the test we can set timeAllowed with minimal value like 1 (1ms), SOLR-14354
actually do the check before sending query request to other shards.
Therefore it leads to above failure, my gut feeling that change made by
SOLR-14354 is correct, but I did not know a quick way to solving the test
failure properly. Therefore I will revert the behaviour like we used to do and
fire another issue for this which needs more thought and checks.
> CloudExitableDirectoryReaderTest failing about 25% of the time
> --------------------------------------------------------------
>
> Key: SOLR-14684
> URL: https://issues.apache.org/jira/browse/SOLR-14684
> Project: Solr
> Issue Type: Test
> Security Level: Public(Default Security Level. Issues are Public)
> Components: Tests
> Affects Versions: master (9.0)
> Reporter: Erick Erickson
> Priority: Major
> Attachments: stdout
>
>
> If I beast this on my local machine, it fails (non reproducibly of course)
> about 1/4 of the time. Log attached. The test itself hasn't changed in 11
> months or so.
> It looks like occasionally the calls throw an error rather than return
> partial results with a message: "Time allowed to handle this request
> exceeded:[]".
> It's been failing very intermittently for a couple of years, but the failure
> rate really picked up in the last couple of weeks. IDK whether the failures
> prior to the last couple of weeks are the same root cause.
> I'll do some spelunking to see if I can pinpoint the commit that made this
> happen, but it'll take a while.
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