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https://issues.apache.org/jira/browse/TS-1457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13454953#comment-13454953
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Aidan McGurn commented on TS-1457:
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attached results:
alan-nofix - base test for the following patched version on same platform/env
alan-chunkfix - same test as above with patch applied
looks to be in the right direction - still a bit off the 3.0.2-null results
> transforms during video requests cause massive memory growth
> ------------------------------------------------------------
>
> Key: TS-1457
> URL: https://issues.apache.org/jira/browse/TS-1457
> Project: Traffic Server
> Issue Type: Bug
> Components: Core
> Affects Versions: 3.2.0
> Environment: Linux RHEL6.2
> Reporter: Aidan McGurn
> Priority: Critical
> Attachments: 3.0.3-null-massif.txt, 3.0.5-null-massif.txt,
> alan-chunk-fix-3.2.0-null.txt, alan-nofix-3.2.0-null.txt,
> no-null-3.2.0-massif.txt, null-3.0.2-massif.txt, null-3.2.0-massif.txt,
> ts-1457-patch-1.diff
>
>
> Running the null-transform example object over 3.2.0, shows massive memory
> growth -
> This could be seen on our system since using 3.2.0 with custom plugin which
> invokes transforms - under load ~6K and with video content (only Video -
> small files are ok), a huge growth was seen (GB's) such that it crashes the
> load test machine.
> heap profiles are attached for comparison:
> -null transform example so over 3.2.0
> -NO null transform over 3.2.0
> -null transform example so over 3.0.2
> As can be seen no issue in 3.0.2 -
> The profiles show clearly the call chain is different for both releases
>
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