Gentoo Archives: gentoo-dev

From: Lance Albertson <ramereth@g.o>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] Monthly Gentoo Council Reminder for August
Date: Thu, 03 Aug 2006 21:00:22
Message-Id: 44D262BC.9090507@gentoo.org
In Reply to: Re: [gentoo-dev] Monthly Gentoo Council Reminder for August by Chris Bainbridge
1 Chris Bainbridge wrote:
2 > Hi,
3 >
4 > On 03/08/06, Lance Albertson <ramereth@g.o> wrote:
5 >> You have no concept of where the bottle neck is. The webserver hosting
6 >> the cgi part isn't being loaded hardly at all. The database server is a
7 >> pretty beefy box, and again, its not so much a specific hardware
8 >> limitation, just more a limitation on the design of bugzilla and its
9 >> ties to mysql. We're having to 'fix' the problem by getting a
10 >> master/slave mysql db server setup which the OSL didn't have setup at
11 >> the time. This is apparently the 'solution' upstream suggests which I
12 >> think is daft, but its what we have to do.
13 >
14 > I'm curious what the problem is with bugzilla and it's db
15 > interactions? You're suggesting a specific issue rather than general
16 > db performance issues like fs, io scheduling, raid1, hyperthreads,
17 > etc.?
18
19 Mostly dealing with table locking and how bugzilla handles most of its
20 queries. If you want more details, look for r2d2, Kingtaco, or jforman
21 (in that order). Another issue was backups were locking up all the
22 tables, so for a matter of an hour or more every day, bugs was just
23 useless because of that. Upstream's 'solution' was to use a db cluster
24 and make the backup on the read-only side. Anyways, I personally don't
25 know a lot of the details, but feel free to ask those people mentioned
26 above.
27
28 --
29 Lance Albertson <ramereth@g.o>
30 Gentoo Infrastructure | Operations Manager
31
32 ---
33 GPG Public Key: <http://www.ramereth.net/lance.asc>
34 Key fingerprint: 0423 92F3 544A 1282 5AB1 4D07 416F A15D 27F4 B742
35
36 ramereth/irc.freenode.net

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