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https://issues.apache.org/jira/browse/CASSANDRA-2868?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Burroughs updated CASSANDRA-2868:
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Attachment: 48hour_RES.png
48 hours under production load after C* had already been running for a few
days. Two on the left have GCInspector enabled. The two on the right do not.
(Note that the scale on the lower right one reflects a change of only 10s of
bytes.)
So it looks like victory to me.
> Native Memory Leak
> ------------------
>
> Key: CASSANDRA-2868
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2868
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Daniel Doubleday
> Assignee: Brandon Williams
> Priority: Minor
> Fix For: 0.8.3
>
> Attachments: 2868-v1.txt, 48hour_RES.png,
> low-load-36-hours-initial-results.png
>
>
> We have memory issues with long running servers. These have been confirmed by
> several users in the user list. That's why I report.
> The memory consumption of the cassandra java process increases steadily until
> it's killed by the os because of oom (with no swap)
> Our server is started with -Xmx3000M and running for around 23 days.
> pmap -x shows
> Total SST: 1961616 (mem mapped data and index files)
> Anon RSS: 6499640
> Total RSS: 8478376
> This shows that > 3G are 'overallocated'.
> We will use BRAF on one of our less important nodes to check wether it is
> related to mmap and report back.
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