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From "Benedict (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9774) fix sstableverify dtest
Date Fri, 10 Jul 2015 16:08:04 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9774?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14622523#comment-14622523
] 

Benedict commented on CASSANDRA-9774:
-------------------------------------

I'm afraid I'm not the best person to ask about that, as I'm not familiar with these tools.
All I can tell you is that whenever you see "was not released before the reference was garbage
collected" it is a bug, not a feature :)

> fix sstableverify dtest
> -----------------------
>
>                 Key: CASSANDRA-9774
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9774
>             Project: Cassandra
>          Issue Type: Sub-task
>            Reporter: Jim Witschey
>            Assignee: Jim Witschey
>            Priority: Blocker
>             Fix For: 3.0.x
>
>
> One of our dtests for {{sstableverify}} ({{offline_tools_test.py:TestOfflineTools.sstableverify_test}})
is failing hard on trunk ([cassci history|http://cassci.datastax.com/view/trunk/job/trunk_dtest/lastCompletedBuild/testReport/offline_tools_test/TestOfflineTools/sstableverify_test/history/])
> The way the test works is by deleting an SSTable, then running {{sstableverify}} on its
table. In earlier versions, it successfully detects this problem and outputs that it "was
not released before the reference was garbage collected". The test no longer finds this string
in the output; looking through the output of the test, it doesn't look like it reports any
problems at all.
> EDIT: After digging into the C* source a bit, I may have misattributed the problem to
{{sstableverify}}; this could be a more general memory management problem, as the error text
expected in the dtest is emitted by part of the {{Ref}} implementation:
> https://github.com/apache/cassandra/blob/075ff5000ced24b42f3b540815cae471bee4049d/src/java/org/apache/cassandra/utils/concurrent/Ref.java#L187



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