Bug #13578 The longer mysqld runs, the slower everything is
Submitted: 28 Sep 2005 17:10 Modified: 4 Sep 2006 7:08
Reporter: Shawn Hogan Email Updates:
Status: No Feedback Impact on me:
None 
Category:MySQL Server Severity:S2 (Serious)
Version:5.0.21, 4.1.18 OS:MacOS (Mac OS X Server 10.4.4)
Assigned to: CPU Architecture:Any

File: Maximum allowed size is 50MB.
Description:
Privacy:

If the data you need to attach is more than 50MB, you should create a compressed archive of the data, split it to 50MB chunks, and upload each of them as a separate attachment.

To split a large file:

[28 Sep 2005 17:11] Shawn Hogan
4 days of CPU usage (arrows show where mysqld process was restarted)

Attachment: mysql_cpu_usage.gif (image/gif, text), 72.62 KiB.

[28 Sep 2005 17:12] Shawn Hogan
Output of SHOW STATUS and SHOW VARIABLES immediately before a needed restart

Attachment: mysql_probs.txt (text/plain), 29.08 KiB.

[6 Oct 2005 15:18] Shawn Hogan
Shows almost every mysqld thread hung on opening/closing files

Attachment: processlist1.txt (text/plain), 154.10 KiB.

[6 Oct 2005 15:19] Shawn Hogan
All query threads with a NULL state

Attachment: processlist2.txt (text/plain), 148.22 KiB.

[6 Oct 2005 15:21] Shawn Hogan
No state on any query thread except for one that's doing an INSERT into a tiny HEAP table

Attachment: processlist3.txt (text/plain), 23.46 KiB.