On Dec 5, 2006, at 7:26 AM, Steve Ison wrote:

Hello,

My RT installation (3.6.1, MySQL 5, Apache 1.3, mod_perl 1.9, DBIx::SearchBuilder v1.45) has slowed considerably as the number of tickets has grown. In the MySQL slow query log I see:

# Time: 061205 11:52:19
# [EMAIL PROTECTED]: rt_user[rt_user] @ localhost []
# Query_time: 181  Lock_time: 0  Rows_sent: 1  Rows_examined: 0
SELECT GET_LOCK('Apache-Session-b59f829ebcd37237783322425399eeb2', 3600);

While this is happening apache just spins using all the cpu.

While trawling back the the mailing-list archives I noticed others have had this problem, but I can't find any mention of a solution. Am I missing it or is this an ongoing problem?


This happens when RT is still serving a page to the user with that session and the user requests another page. Sometimes, switching to another Apache::Session backend can help.


Thanks,
Steve.
--
Stephen Ison
Unix Support
University of Cambridge Computing Service
[EMAIL PROTECTED]
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