Re: Server just hanging (Copying to tmp table)
I've been having what appears to be the exact same problem, this morning. It's a relatively moderate traffic DB server. I have 1000 MySQL connections setup on my DB server and the process list was showing 1 query copying to tmp table (for 16834 seconds) and 999 that were locked.
I'm thinking it might be a platform/OS issue because I'm running the same OS and a similar hardware setup. I'm running a dual 2.3Ghz G5 (Xserve) with 5GB of RAM, hardware RAID-5 and Mac OS X Server 10.3.8 with MySQL 4.1.14
This was the status when I reset the server:
Uptime: 209289 Threads: 1000 Questions: 18954914 Slow queries: 6919 Opens: 89696 Flush tables: 1 Open tables: 1912 Queries per second avg: 90.568
The thing that seems odd to be is the Open tables. Seems strange to have 1,912 tables open, when there are only 136 tables actual tables on the server.
Even now it hasn't been up that long since I restarted it, and I'm showing 280 open tables:
Uptime: 6044 Threads: 26 Questions: 1358719 Slow queries: 3 Opens: 330 Flush tables: 1 Open tables: 280 Queries per second avg: 224.805
This has been a problem since it started as a MySQL db server in February, but it's getting worse as it serves more queries (it's to the point that I need to restart MySQL every few days).
Subject
Views
Written By
Posted
28554
August 11, 2005 11:25AM
23778
August 12, 2005 09:07AM
19030
August 12, 2005 01:06PM
18524
August 22, 2005 09:46AM
16613
August 24, 2005 03:27PM
13076
August 24, 2005 04:05PM
13779
August 26, 2005 11:02AM
7535
August 26, 2005 11:05AM
6937
August 26, 2005 11:45AM
6696
August 26, 2005 05:46PM
6963
August 26, 2005 10:34PM
6583
August 25, 2005 01:08PM
5966
August 26, 2005 11:07AM
5786
August 27, 2005 09:09AM
6103
August 29, 2005 11:50AM
6023
August 29, 2005 12:04PM
5395
August 29, 2005 12:55PM
5265
August 29, 2005 05:26PM
5235
August 29, 2005 06:34PM
4878
August 29, 2005 08:40PM
4763
August 29, 2005 08:47PM
4629
August 29, 2005 09:00PM
4819
August 30, 2005 10:05AM
4692
August 30, 2005 10:18AM
5218
August 30, 2005 10:20AM
6218
August 29, 2005 08:53PM
5086
August 29, 2005 09:50PM
4934
August 29, 2005 10:01PM
5366
August 30, 2005 08:53AM
4778
August 30, 2005 11:22AM
5317
August 30, 2005 11:33AM
4986
August 30, 2005 11:59AM
Re: Server just hanging (Copying to tmp table)
24452
August 31, 2005 02:32PM
6633
August 31, 2005 02:49PM
5298
August 31, 2005 02:56PM
5150
August 31, 2005 03:06PM
8423
December 07, 2006 10:30AM
5091
August 31, 2005 03:10PM
4967
August 31, 2005 03:32PM
17810
August 31, 2005 07:15PM
5214
September 01, 2005 03:05AM
7943
September 15, 2005 04:31PM
5642
September 01, 2005 04:39AM
4551
September 08, 2005 09:53AM
4946
September 08, 2005 11:25AM
4682
September 26, 2005 11:52AM
4602
September 26, 2005 12:13PM
4530
September 27, 2005 09:55AM
4314
September 27, 2005 10:18AM
4203
September 28, 2005 10:29AM
4361
September 28, 2005 10:34AM
4537
September 28, 2005 10:52AM
4979
September 28, 2005 10:58AM
9793
September 23, 2005 01:56AM
5056
September 23, 2005 07:11AM
5034
October 05, 2005 04:58AM
5509
October 05, 2005 04:52PM
6262
October 05, 2005 11:49PM
5482
October 06, 2005 01:34AM
6831
October 06, 2005 04:57PM
4751
December 13, 2005 10:28AM
4741
December 13, 2005 10:34AM
4643
November 17, 2005 09:39AM
5006
January 08, 2007 12:12PM
4868
December 12, 2005 02:13PM
4703
December 14, 2005 11:43PM
4288
December 15, 2005 08:37AM
4368
December 15, 2005 11:18AM
4280
December 15, 2005 11:27AM
4410
December 15, 2005 11:32AM
4177
December 15, 2005 11:43AM
4118
December 15, 2005 11:43AM
4317
December 15, 2005 11:48AM
4174
December 15, 2005 11:51AM
4581
December 15, 2005 02:14PM
4236
December 15, 2005 02:18PM
4144
December 15, 2005 02:27PM
4594
December 15, 2005 02:43PM
4140
December 15, 2005 08:46AM
5140
January 26, 2006 12:38PM
4262
January 26, 2006 01:48PM
4331
January 26, 2006 01:48PM
4134
January 26, 2006 01:52PM
4269
January 27, 2006 04:46PM
4144
January 29, 2006 11:21AM
4489
January 30, 2006 09:42AM
4520
February 27, 2006 02:17PM
4205
February 27, 2006 02:23PM
4421
March 05, 2006 04:56AM
4249
March 06, 2006 08:09AM
4230
April 05, 2006 01:03PM
4389
September 27, 2006 08:43AM
4347
November 19, 2006 04:42AM
4495
December 14, 2006 05:45PM
4320
February 01, 2007 04:40AM
5003
November 11, 2007 01:24PM
5204
December 20, 2007 10:40AM
6641
January 21, 2008 10:14AM
5981
January 21, 2008 10:53AM
5449
May 19, 2008 09:41AM
5643
February 05, 2008 10:27AM
6225
March 12, 2008 08:37AM
5523
May 19, 2008 03:02AM
6254
November 14, 2008 12:31AM
7296
March 06, 2009 03:36PM