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https://issues.apache.org/jira/browse/KUDU-2358?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon resolved KUDU-2358.
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Resolution: Invalid
Fix Version/s: n/a
Upon further investigation, it appears the strings are inside WriteRequestPBs
that are held by the LogCache and appropriately tracked.
> ~600MB of untracked string memory
> ---------------------------------
>
> Key: KUDU-2358
> URL: https://issues.apache.org/jira/browse/KUDU-2358
> Project: Kudu
> Issue Type: Improvement
> Components: tserver
> Affects Versions: 1.8.0
> Reporter: Todd Lipcon
> Priority: Major
> Fix For: n/a
>
>
> Looking at a heap dump of a tserver which has 1.6G of tracked memory, there
> is about 800MB of apparently-untracked memory held in std::string objects.
> Since libstdcxx doesn't have frame pointers, tcmalloc profiling isn't telling
> the stack trace responsible here, but merits further investigation (probably
> using a custom-built libstdcxx with frame pointers)
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