Bug #1435 Increasing max_connections during runtime doesn't work properly
Submitted: 29 Sep 2003 13:57 Modified: 6 Oct 2003 5:03
Reporter: Alexander Keremidarski Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server Severity:S3 (Non-critical)
Version: OS:
Assigned to: Sergei Golubchik CPU Architecture:Any

[29 Sep 2003 13:57] Alexander Keremidarski 
Description:
When max_connections is increased during runtime over it's startup value after certain number of connections MySQL reports:

Warning: thr_alarm queue is full

How to repeat:
Start mysqld with max_connections=5

SET GLOBAL max_connections=200;

Open new connections untill error message pops up

Warning: thr_alarm queue is full
[6 Oct 2003 5:03] Sergei Golubchik 
Thank you for your bug report. This issue has been committed to our
source repository of that product and will be incorporated into the
next release.

If necessary, you can access the source repository and build the latest
available version, including the bugfix, yourself. More information 
about accessing the source trees is available at
    http://www.mysql.com/doc/en/Installing_source_tree.html

fixed in 4.0.16