I am having a problem with mysql.  I am running a php web site that uses a (mysql Ver 
11.15 Disturb 3.23.39 for pc-linux-gnu (i686))database.  Whenever i get a load of 
about 100 simultaneous users, mysql begins to spawn D stat processes and the site 
dies. Everything works very well with smaller loads.

I am running this on a Quad Proc HP LH4 with 1GB Ram (which isn't being touched much)

running Slack ware 7.1 upgraded to kernel 2.4-efs

Apache http/https

any help would be greatly appreciated.


here is a small sample of the spawned processes.

root       104  0.0  0.0  1600  800 ?        S    12:04   0:00 /bin/sh 
./bin/safe_mysqld -u mysql
mysql      129  0.0  1.1 51632 10208 ?       S    12:04   0:00  _ 
/usr/local/mysql/bin/mysqld --defaults-extra-file=/usr/local/mysq
mysql      131  0.0  1.1 51632 10208 ?       S    12:04   0:00      _ 
/usr/local/mysql/bin/mysqld --defaults-extra-file=/usr/local/
mysql      132  0.0  1.1 51632 10208 ?       S    12:04   0:00          _ 
/usr/local/mysql/bin/mysqld --defaults-extra-file=/usr/lo
mysql      133  0.0  1.1 51632 10208 ?       S    12:04   0:00          _ 
/usr/local/mysql/bin/mysqld --defaults-extra-file=/usr/lo
mysql      149  0.0  1.1 51632 10208 ?       S    12:05   0:11          _ 
/usr/local/mysql/bin/mysqld --defaults-extra-file=/usr/lo
mysql      152  0.0  1.1 51632 10208 ?       S    12:06   0:09          _ 
/usr/local/mysql/bin/mysqld --defaults-extra-file=/usr/lo
mysql      153  0.0  1.1 51632 10208 ?       S    12:06   0:11          _ 
/usr/local/mysql/bin/mysqld --defaults-extra-file=/usr/lo
mysql      154  0.0  1.1 51632 10208 ?       S    12:06   0:10          _ 
/usr/local/mysql/bin/mysqld --defaults-extra-file=/usr/lo
mysql      155  0.0  1.1 51632 10208 ?       S    12:06   0:10          _ 
/usr/local/mysql/bin/mysqld --defaults-extra-file=/usr/lo
mysql      156  0.0  1.1 51632 10208 ?       D    12:06   0:10          _ 
/usr/local/mysql/bin/mysqld --defaults-extra-file=/usr/lo
mysql      157  0.0  1.1 51632 10208 ?       S    12:06   0:11          _ 
/usr/local/mysql/bin/mysqld --defaults-extra-file=/usr/lo
mysql      158  0.0  1.1 51632 10208 ?       S    12:06   0:10          _ 
/usr/local/mysql/bin/mysqld --defaults-extra-file=/usr/lo
mysql      159  0.0  1.1 51632 10208 ?       D    12:06   0:11          _ 
/usr/local/mysql/bin/mysqld --defaults-extra-file=/usr/lo

  



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