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https://issues.apache.org/jira/browse/PROTON-1120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15127972#comment-15127972
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ASF subversion and git services commented on PROTON-1120:
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Commit 5dc39f8fc4e89f1e45ca42bda961260db458e128 in qpid-proton's branch
refs/heads/0.12.x from [~gsim]
[ https://git-wip-us.apache.org/repos/asf?p=qpid-proton.git;h=5dc39f8 ]
PROTON-1120: ensure messages are settled locally
> Memory leak using proton.utils
> ------------------------------
>
> Key: PROTON-1120
> URL: https://issues.apache.org/jira/browse/PROTON-1120
> Project: Qpid Proton
> Issue Type: Bug
> Components: python-binding
> Affects Versions: 0.10
> Environment: python-qpid-proton-0.10-2.fc23.x86_64
> And 0.9-13
> Reporter: Jeff Ortel
> Assignee: Gordon Sim
> Fix For: 0.12.0
>
> Attachments: memory-leak.py
>
>
> I have observed a fairly substantial memory leak using the blocking classes
> in proton.utils. Mainly with sending messages.
> Observations:
> {code}
> growth = 52 MB for 10,000 messages sent
> growth = 104 MB for 20,000 messages sent
> leak = 52 MB per 10,000 sends or ~5 kB / send
> {code}
> The attached reproducer, can be used to collect and display statistics.
> There is likely a better method for measuring the memory growth but this was
> easy. Perhaps there is something incorrect/missing with the way I'm using
> proton or measuring the memory growth/leak?
> {code}
> ============================================
> 10000 messages
> ============================================
> total kB 242088 16256 7552 - sending
> total kB 293980 68224 59520 - sent
> total kB 293980 68228 59524 - receiving
> total kB 294236 68340 59632 - received
> Size Growth Context
> __________|____________|__________
> 242088 kB +242088 kB sending
> 293980 kB + 51892 kB sent
> 293980 kB + 0 kB receiving
> 294236 kB + 256 kB received
> ============================================
> 20000 messages
> ============================================
> total kB 294236 68348 59640 - sending
> total kB 397820 171896 163232 - sent
> total kB 397820 171900 163236 - receiving
> total kB 398020 172060 163396 - received
> Size Growth Context
> __________|____________|__________
> 294236 kB +294236 kB sending
> 397820 kB +103584 kB sent
> 397820 kB + 0 kB receiving
> 398020 kB + 200 kB received
> {code}
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