Need mysql optimization!

2025-04-10

I'm on a dual xeon 2.4 with 2gb ram and 2 scsi 80gb hds and ht disabled!

Please, ANY help would be great!

Just running a mysql server and here's my loads at peak time

00:22:01 up 9:09, 1 user, load average: 32.27, 38.71, 30.05

Tue Jul 20 00:31:41 CDT 2004

00:32:25 up 9:19, 1 user, load average: 51.95, 41.51, 33.91
274 processes: 242 sleeping, 32 running, 0 zombie, 0 stopped
total 75.0% 0.0% 25.0% 0.0% 0.0% 0.0% 0.0%
cpu00 76.1% 0.0% 23.8% 0.0% 0.0% 0.0% 0.0%
cpu01 73.8% 0.0% 26.1% 0.0% 0.0% 0.0% 0.0%
Mem: 2061576k av, 287456k used, 1774120k free, 0k shrd, 42516k buff
189848k active, 44380k inactive
Swap: 2048276k av, 0k used, 2048276k free 145520k cached

PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME CPU COMMAND
3990 mysql 16 0 31672 30M 1348 R 19.6 1.5 0:08 0 mysqld
4027 mysql 15 0 37024 36M 1348 R 15.6 1.7 0:11 0 mysqld
4059 mysql 15 0 35592 34M 1348 R 15.6 1.7 0:07 0 mysqld
3952 mysql 15 0 31672 30M 1348 R 13.9 1.5 0:08 0 mysqld
3994 mysql 16 0 31672 30M 1348 R 13.9 1.5 0:09 0 mysqld
3936 mysql 15 0 31672 30M 1348 R 13.3 1.5 0:07 0 mysqld
3943 mysql 15 0 31672 30M 1348 R 13.3 1.5 0:09 0 mysqld
4008 mysql 15 0 31672 30M 1348 R 13.3 1.5 0:08 0 mysqld
4025 mysql 15 0 32948 32M 1348 R 13.3 1.5 0:07 0 mysqld
4096 mysql 15 0 35592 34M 1348 R 13.0 1.7 0:04 0 mysqld
3970 mysql 15 0 31672 30M 1348 R 12.5 1.5 0:10 0 mysqld
4051 mysql 15 0 35592 34M 1348 R 12.2 1.7 0:07 0 mysqld
4172 mysql 18 0 35592 34M 1348 R 12.2 1.7 0:00 0 mysqld
3974 mysql 15 0 31672 30M 1348 R 5.6 1.5 0:08 0 mysqld
4122 mysql 16 0 35592 34M 1348 R 5.6 1.7 0:00 0 mysqld
4175 mysql 18 0 35592 34M 1348 R 3.7 1.7 0:00 1 mysqld
4171 mysql 17 0 35592 34M 1348 R 2.2 1.7 0:00 0 mysqld
4067 mysql 16 0 35592 34M 1348 R 0.8 1.7 0:06 0 mysqld
3972 mysql 15 0 31672 30M 1348 R 0.2 1.5 0:07 0 mysqld
4109 mysql 15 0 35592 34M 1348 R 0.2 1.7 0:05 0 mysqld
3996 mysql 15 0 31672 30M 1348 R 0.0 1.5 0:09 0 mysqld
4041 mysql 15 0 35592 34M 1348 R 0.0 1.7 0:06 0 mysqld
4056 mysql 15 0 35592 34M 1348 R 0.0 1.7 0:06 0 mysqld
4092 mysql 15 0 35592 34M 1348 R 0.0 1.7 0:02 0 mysqld
4116 mysql 15 0 35592 34M 1348 R 0.0 1.7 0:00 0 mysqld
4163 mysql 15 0 35592 34M 1348 R 0.0 1.7 0:00 0 mysqld
4181 mysql 20 0 35592 34M 1348 R 0.0 1.7 0:00 0 mysqld
4182 mysql 17 0 35592 34M 1348 R 0.0 1.7 0:00 0 mysqld
4183 mysql 20 0 35592 34M 1348 R 0.0 1.7 0:00 0 mysqld
4184 mysql 20 0 35592 34M 1348 R 0.0 1.7 0:00 0 mysqld
4185 mysql 20 0 35592 34M 1348 R 0.0 1.7 0:00 1 mysqld

Http processes currently running = 11
Mysql processes currently running = 222

Netstat information summary
3 FIN_WAIT2
19 LISTEN
218 ESTABLISHED

+--------------------------+-----------+
| Variable_name | Value |
+--------------------------+-----------+
| Aborted_clients | 460 |
| Aborted_connects | 0 |
| Bytes_received | 1228740 |
| Bytes_sent | 9936311 |
| Com_admin_commands | 3252 |
| Com_alter_table | 0 |
| Com_analyze | 0 |
| Com_backup_table | 0 |
| Com_begin | 0 |
| Com_change_db | 4121 |
| Com_change_master | 0 |
| Com_check | 0 |
| Com_commit | 0 |
| Com_create_db | 0 |
| Com_create_function | 0 |
| Com_create_index | 0 |
| Com_create_table | 0 |
| Com_delete | 13 |
| Com_delete_multi | 0 |
| Com_drop_db | 0 |
| Com_drop_function | 0 |
| Com_drop_index | 0 |
| Com_drop_table | 0 |
| Com_flush | 0 |
| Com_grant | 0 |
| Com_ha_close | 0 |
| Com_ha_open | 0 |
| Com_ha_read | 0 |
| Com_insert | 344 |
| Com_insert_select | 0 |
| Com_kill | 0 |
| Com_load | 0 |
| Com_load_master_data | 0 |
| Com_load_master_table | 0 |
| Com_lock_tables | 0 |
| Com_optimize | 0 |
| Com_purge | 0 |
| Com_rename_table | 0 |
| Com_repair | 0 |
| Com_replace | 0 |
| Com_replace_select | 0 |
| Com_reset | 0 |
| Com_restore_table | 0 |
| Com_revoke | 0 |
| Com_rollback | 0 |
| Com_savepoint | 0 |
| Com_select | 12366 |
| Com_set_option | 0 |
| Com_show_binlog_events | 0 |
| Com_show_binlogs | 0 |
| Com_show_create | 0 |
| Com_show_databases | 1 |
| Com_show_fields | 2 |
| Com_show_grants | 0 |
| Com_show_keys | 1 |
| Com_show_logs | 0 |
| Com_show_master_status | 0 |
| Com_show_new_master | 0 |
| Com_show_open_tables | 0 |
| Com_show_processlist | 0 |
| Com_show_slave_hosts | 0 |
| Com_show_slave_status | 0 |
| Com_show_status | 2 |
| Com_show_innodb_status | 0 |
| Com_show_tables | 3 |
| Com_show_variables | 2 |
| Com_slave_start | 0 |
| Com_slave_stop | 0 |
| Com_truncate | 0 |
| Com_unlock_tables | 0 |
| Com_update | 1696 |
| Connections | 474 |
| Created_tmp_disk_tables | 0 |
| Created_tmp_tables | 0 |
| Created_tmp_files | 0 |
| Delayed_insert_threads | 0 |
| Delayed_writes | 0 |
| Delayed_errors | 0 |
| Flush_commands | 1 |
| Handler_commit | 0 |
| Handler_delete | 12 |
| Handler_read_first | 1 |
| Handler_read_key | 2577 |
| Handler_read_next | 0 |
| Handler_read_prev | 5623714 |
| Handler_read_rnd | 37007 |
| Handler_read_rnd_next | 524266213 |
| Handler_rollback | 0 |
| Handler_update | 1621 |
| Handler_write | 344 |
| Key_blocks_used | 502 |
| Key_read_requests | 234824 |
| Key_reads | 498 |
| Key_write_requests | 364 |
| Key_writes | 340 |
| Max_used_connections | 217 |
| Not_flushed_key_blocks | 0 |
| Not_flushed_delayed_rows | 0 |
| Open_tables | 369 | 72% of table_cache in use
| Open_files | 379 |
| Open_streams | 0 |
| Opened_tables | 375 |
| Questions | 19566 |
| Qcache_queries_in_cache | 328 |
| Qcache_inserts | 10388 |
| Qcache_hits | 987 |
| Qcache_lowmem_prunes | 0 |
| Qcache_not_cached | 1975 |
| Qcache_free_memory | 33117768 |
| Qcache_free_blocks | 38 |
| Qcache_total_blocks | 624 |
| Rpl_status | NULL |
| Select_full_join | 0 |
| Select_full_range_join | 0 |
| Select_range | 0 |
| Select_range_check | 0 |
| Select_scan | 9806 |
| Slave_open_temp_tables | 0 |
| Slave_running | OFF |
| Slow_launch_threads | 0 |
| Slow_queries | 202 | (execution time > 10 secs)
| Sort_merge_passes | 0 |
| Sort_range | 0 |
| Sort_rows | 37007 |
| Sort_scan | 2756 |
| Table_locks_immediate | 7583 |
| Table_locks_waited | 6812 |
| Threads_cached | 0 |
| Threads_created | 218 |
| Threads_connected | 218 |
| Threads_running | 115 |
| Uptime | 654 | 10 mins 54 secs
+--------------------------+-----------+

Key Reads/Key Read Requests = 0.002121 (Cache hit = 99.997879%)
Key Writes/Key Write Requests = 0.934066
Connections/second = 0.725 (/hour = 2609.174)
KB received/second = 1.833 (/hour = 6600.000)
KB sent/second = 14.836 (/hour = 53411.009)
Temporary Tables Created/second = 0.000 (/hour = 0.000)
Opened Tables/second = 0.573 (/hour = 2064.220)
Slow Queries/second = 0.309 (/hour = 1111.927)
% of slow queries = 1.032%
Queries/second = 29.917 (/hour = 107702.752)

Here's my.cnf

code:--------------------------------------------------------------------------------
[mysqld]
max_connections = 768
interactive_timeout=100
key_buffer = 384M
myisam_sort_buffer_size = 128M
join_buffer_size = 2M
read_buffer_size = 2M
sort_buffer_size = 2M
table_cache = 512
record_buffer = 2M
thread_cache_size = 128
wait_timeout = 100
tmp_table_size= 8M
connect_timeout = 10
max_allowed_packet = 1M
max_connect_errors = 10
query_cache_limit = 1M
query_cache_size = 32M
query_cache_type = 1
skip-innodb
skip-locking
thread_cache_size=128
thread_concurrency=4

[mysqld_safe]
open_files_limit = 8192

[mysqldump]
quick
max_allowed_packet = 16M

[isamchk]
key_buffer=64M
sort_buffer=64M
read_buffer=16M
write_buffer=16M

[myisamchk]
key_buffer = 64M
sort_buffer = 64M
read_buffer = 16M
write_buffer = 16M
--------------------------------------------------------------------------------