Am 21.01.2015 um 05:26 schrieb Ryan Ollos:
On Tue, Jan 20, 2015 at 12:09 PM, Torge Riedel <[email protected]
<mailto:[email protected]>> wrote:
Hi @all,
just got a server shutdown by my provider caused by 100% CPU load by apache
processes.
After reactivation I played around and found the following:
- I have TracTicketChangeLogPlugin installed (the latest version from repo,
updated on 18th January 2015)
- If I view a ticket with 3 entries in the commit history I get an apache
process with 100% CPU load, staying at this level
- Killing this process raises another one reaching 100% CPU load, staying
at this level
- Killing the second process too reduces the server load to a normal level
- After deactivation of the plugin I can view any ticket without a problem
-> seems to be related to the ticket
Any ideas?
I'm sure that I had no problems with this plugin of an older version.
Regards
Torge
Which branch have you installed from, 0.12 or 1.0? What is the version of the
plugin? I don't see anything in recent changes that looks concerning, but you
could try rolling back to that earlier version of the plugin and check if the
issue occurs with that one ticket. What version / revision were you running
prior to updating the plugin on 18th of Jan? Can you reproduce the issue with
more that one of the tickets in your system?
The TracTicketChangeLogPlugin runs a LIKE query on the revision table on every
request. I'm no database performance expert, but that has concerned me since I
first started looking at the plugin. An outline of changes for improving the
plugin can be found here: http://trac-hacks.org/ticket/11821
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Installed vom Branch 1.0 ("TracTicketChangelogPlugin 1.0.0dev" is displayed in the
"Plugins" section of the "Admin" menu).
I will try stepping back revision by revision to see when this "issue was
added."
But I think at first it is a good idea to update from trac 1.0.1 to 1.0.3 to
make sure there are no side effects.
Thanks for your reply
Torge
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