Hi James,

Your key_buffer is using tons of memory at 1.5 GB!  table_cache is
probably too big, too.


Matt


----- Original Message -----
From: "James Kelty"
Sent: Saturday, February 14, 2004 3:03 AM
Subject: Massive memory utiliazation


> Hello,
>
>
>
> We have currently tuned MySQL for a high rate of traffic. But, now we
are
> seeing issues with memory usage. It reaches about 2GB and the server
becomed
> wildly unstable. Below is our my.cnf file. Can anyone point out any
glarring
> errors? We are running this on a Dell 2650 with Red Had Advanced
Server v2.1
> with Kernel 2.4.9-e.25smp and Hyper threading.
>
>
>
> Thanks a lot!
>
>
>
>
>
> [client]
>
> port            = 3306
>
>
>
> # The MySQL server
>
> [mysqld]
>
> datadir         = /var/lib/mysql
>
> port            = 3306
>
> skip-locking
>
> set-variable    = max_connections=800
>
> set-variable    = key_buffer=1500M
>
> set-variable    = max_allowed_packet=1M
>
> set-variable    = table_cache=16384
>
> set-variable    = sort_buffer=256k
>
> set-variable    = record_buffer=256k
>
> set-variable    = record_rnd_buffer=256k
>
> set-variable    = thread_cache=64
>
> set-variable    = thread_concurrency=32
>
> set-variable    = myisam_sort_buffer_size=64M
>
> set-variable    = interactive_timeout=300
>
> set-variable    = open_files_limit=60000
>
> set-variable    = wait_timeout=300
>
> set-variable    = long_query_time=5
>
> set-variable    = tmp_table_size=16M
>
>
>
> server-id       = 0
>
>
>
> # Adding bin log for PIT recovery
>
> log-bin
>
>
>
> #set-variable   = bdb_cache_size=768M
>
> #set-variable   = bdb_max_lock=100000
>
>
>
> log-slow-queries=/var/log/slowqueries.log
>
>
>
> [safe_mysqld]
>
> open-files-limit=60000
>
>
>
> [mysqldump]
>
> quick
>
> set-variable    = max_allowed_packet=16M
>
>
>
> [mysql]
>
> no-auto-rehash
>
>
>
> [isamchk]
>
> set-variable    = key_buffer=512M
>
> set-variable    = sort_buffer=512M
>
> set-variable    = read_buffer=2M
>
> set-variable    = write_buffer=2M
>
>
>
> [myisamchk]
>
> set-variable    = key_buffer=512M
>
> set-variable    = sort_buffer=512M
>
> set-variable    = read_buffer=2M
>
> set-variable    = write_buffer=2M
>
>
>
> [mysqlhotcopy]
>
> interactive-timeout











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