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https://issues.apache.org/jira/browse/DERBY-704?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dag H. Wanvik updated DERBY-704:
Derby Categories: [Performance]
Large page cache kills initial performance
[ http://issues.apache.org/jira/browse/DERBY-704?page=all ]
Knut Anders Hatlen updated DERBY-704:
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Attachment: DERBY-704-extra-comments.diff
Patch DERBY-704-extra-comments.diff adds the following comments
to the code:
// 1) find out how many
David W. Van Couvering [EMAIL PROTECTED] writes:
There appear to be definite improvements here in terms of the
consistency of throughput and CPU usage.
Are the regular massive spikes in throughput and CPU usage related to
the issues that Oystein was raising about checkpointing?
Thanks for
[ http://issues.apache.org/jira/browse/DERBY-704?page=all ]
Knut Anders Hatlen updated DERBY-704:
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Attachment: DERBY-704.diff
derbyall_report.txt
Attached patch and report from running derbyall (no tests failed).
The patch modifies
[ http://issues.apache.org/jira/browse/DERBY-704?page=all ]
Knut Anders Hatlen updated DERBY-704:
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Attachment: throughput.png
cpu-usage.png
Attached graphs showing the throughput and CPU usage running with and
without the patch. The
There appear to be definite improvements here in terms of the
consistency of throughput and CPU usage.
Are the regular massive spikes in throughput and CPU usage related to
the issues that Oystein was raising about checkpointing?
Thanks,
David
Knut Anders Hatlen (JIRA) wrote:
[