hi, Taiyo
>| innodb_buffer_pool_size | 8388608
>| key_buffer_size | 8388600
Try to increase the innodb_buffer_pool_size if you use the innodb storage or
key_buffer_size if MyISAM storage is used or both.
You can get more information about innodb_buffer_pool_size and
key_buffer_size from this:
http://dev.mysql.com/doc/refman/5.0/en/innodb-parameters.html
http://dev.mysql.com/doc/refman/5.0/en/server-system-variables.html
Best regards,
Leo Huang
2006/2/28, Taiyo <taiyo@stripped>:
> Greetings,
>
> We are running a server and the CPU is at %99.99 at all times, after about
> 2-3 hours of processing queries just hang, sounds like our hardware is
weak
> but we are running a 4GB RAM Dual Xeons 3.4 at 64bit OS.
>
> I was hoping someone could look at our settings and would help us analyze
> this issue:
>
> Please advise.
>
> Here are the stats:
>
> Some version information:
>
> mySQL version: 5.0.16-standard
> Uname: Linux db.example.com
> 2.6.9-22.ELsmp #1 SMP Mon Sep 19 18:00:54 EDT 2005 x86_64 x86_64 x86_64
> GNU/Linux
> RAM: 4GB
> SWAP 1GB
> HD: 2 SCSI 10k RPM on 2 separate
> controllers.
>
> Some information about the load:
> Queries per second avg: 16.346 (about)
> Our biggest table is 3.5 million records and we index 3 of the columns for
> fulltext search
> We do a lot of join queries on 2 tables.
>
> Some mySQL variables:
> [mysqld]
> tmpdir=/db.example.com/tmp
> query_cache_size=1048576
> query_cache_limit = 33554432
> query_cache_size = 33554432
> myisam_sort_buffer_size = 33554432
> sort_buffer_size = 33554432
> max_connections=500
> table_cache = 1000
> max_tmp_tables = 256
>
> Here is all of my mysql -e 'SHOW VARIABLES':
>
+---------------------------------+-----------------------------------------
> -+
> | Variable_name | Value
> |
>
+---------------------------------+-----------------------------------------
> -+
> | auto_increment_increment | 1
> |
> | auto_increment_offset | 1
> |
> | automatic_sp_privileges | ON
> |
> | back_log | 50
> |
> | basedir | /
> |
> | binlog_cache_size | 32768
> |
> | bulk_insert_buffer_size | 8388608
> |
> | character_set_client | latin1
> |
> | character_set_connection | latin1
> |
> | character_set_database | latin1
> |
> | character_set_results | latin1
> |
> | character_set_server | latin1
> |
> | character_set_system | utf8
> |
> | character_sets_dir | /usr/share/mysql/charsets/
> |
> | collation_connection | latin1_swedish_ci
> |
> | collation_database | latin1_swedish_ci
> |
> | collation_server | latin1_swedish_ci
> |
> | completion_type | 0
> |
> | concurrent_insert | 1
> |
> | connect_timeout | 5
> |
> | datadir | /var/lib/mysql/
> |
> | date_format | %Y-%m-%d
> |
> | datetime_format | %Y-%m-%d %H:%i:%s
> |
> | default_week_format | 0
> |
> | delay_key_write | ON
> |
> | delayed_insert_limit | 100
> |
> | delayed_insert_timeout | 300
> |
> | delayed_queue_size | 1000
> |
> | div_precision_increment | 4
> |
> | engine_condition_pushdown | OFF
> |
> | expire_logs_days | 0
> |
> | flush | OFF
> |
> | flush_time | 0
> |
> | ft_boolean_syntax | + -><()~*:""&|
> |
> | ft_max_word_len | 84
> |
> | ft_min_word_len | 2
> |
> | ft_query_expansion_limit | 20
> |
> | ft_stopword_file | (built-in)
> |
> | group_concat_max_len | 1024
> |
> | have_archive | YES
> |
> | have_bdb | NO
> |
> | have_blackhole_engine | NO
> |
> | have_compress | YES
> |
> | have_crypt | YES
> |
> | have_csv | NO
> |
> | have_example_engine | NO
> |
> | have_federated_engine | NO
> |
> | have_geometry | YES
> |
> | have_innodb | YES
> |
> | have_isam | NO
> |
> | have_ndbcluster | NO
> |
> | have_openssl | NO
> |
> | have_query_cache | YES
> |
> | have_raid | NO
> |
> | have_rtree_keys | YES
> |
> | have_symlink | YES
> |
> | init_connect |
> |
> | init_file |
> |
> | init_slave |
> |
> | innodb_additional_mem_pool_size | 1048576
> |
> | innodb_autoextend_increment | 8
> |
> | innodb_buffer_pool_awe_mem_mb | 0
> |
> | innodb_buffer_pool_size | 8388608
> |
> | innodb_checksums | ON
> |
> | innodb_commit_concurrency | 0
> |
> | innodb_concurrency_tickets | 500
> |
> | innodb_data_file_path | ibdata1:10M:autoextend
> |
> | innodb_data_home_dir |
> |
> | innodb_doublewrite | ON
> |
> | innodb_fast_shutdown | 1
> |
> | innodb_file_io_threads | 4
> |
> | innodb_file_per_table | OFF
> |
> | innodb_flush_log_at_trx_commit | 1
> |
> | innodb_flush_method |
> |
> | innodb_force_recovery | 0
> |
> | innodb_lock_wait_timeout | 50
> |
> | innodb_locks_unsafe_for_binlog | OFF
> |
> | innodb_log_arch_dir |
> |
> | innodb_log_archive | OFF
> |
> | innodb_log_buffer_size | 1048576
> |
> | innodb_log_file_size | 5242880
> |
> | innodb_log_files_in_group | 2
> |
> | innodb_log_group_home_dir | ./
> |
> | innodb_max_dirty_pages_pct | 90
> |
> | innodb_max_purge_lag | 0
> |
> | innodb_mirrored_log_groups | 1
> |
> | innodb_open_files | 300
> |
> | innodb_support_xa | ON
> |
> | innodb_sync_spin_loops | 20
> |
> | innodb_table_locks | ON
> |
> | innodb_thread_concurrency | 20
> |
> | innodb_thread_sleep_delay | 10000
> |
> | interactive_timeout | 28800
> |
> | join_buffer_size | 131072
> |
> | key_buffer_size | 8388600
> |
> | key_cache_age_threshold | 300
> |
> | key_cache_block_size | 1024
> |
> | key_cache_division_limit | 100
> |
> | language | /usr/share/mysql/english/
> |
> | large_files_support | ON
> |
> | large_page_size | 0
> |
> | large_pages | OFF
> |
> | license | GPL
> |
> | local_infile | ON
> |
> | locked_in_memory | OFF
> |
> | log | OFF
> |
> | log_bin | OFF
> |
> | log_bin_trust_function_creators | OFF
> |
> | log_error |
> |
> | log_slave_updates | OFF
> |
> | log_slow_queries | OFF
> |
> | log_warnings | 1
> |
> | long_query_time | 10
> |
> | low_priority_updates | OFF
> |
> | lower_case_file_system | OFF
> |
> | lower_case_table_names | 0
> |
> | max_allowed_packet | 1048576
> |
> | max_binlog_cache_size | 18446744073709551615
> |
> | max_binlog_size | 1073741824
> |
> | max_connect_errors | 10
> |
> | max_connections | 500
> |
> | max_delayed_threads | 20
> |
> | max_error_count | 64
> |
> | max_heap_table_size | 16777216
> |
> | max_insert_delayed_threads | 20
> |
> | max_join_size | 18446744073709551615
> |
> | max_length_for_sort_data | 1024
> |
> | max_relay_log_size | 0
> |
> | max_seeks_for_key | 18446744073709551615
> |
> | max_sort_length | 1024
> |
> | max_tmp_tables | 256
> |
> | max_user_connections | 0
> |
> | max_write_lock_count | 18446744073709551615
> |
> | multi_range_count | 256
> |
> | myisam_data_pointer_size | 6
> |
> | myisam_max_sort_file_size | 9223372036854775807
> |
> | myisam_recover_options | OFF
> |
> | myisam_repair_threads | 1
> |
> | myisam_sort_buffer_size | 33554432
> |
> | myisam_stats_method | nulls_unequal
> |
> | net_buffer_length | 16384
> |
> | net_read_timeout | 30
> |
> | net_retry_count | 10
> |
> | net_write_timeout | 60
> |
> | new | OFF
> |
> | old_passwords | OFF
> |
> | open_files_limit | 2510
> |
> | optimizer_prune_level | 1
> |
> | optimizer_search_depth | 62
> |
> | pid_file | /var/lib/mysql/db.example.com.pid |
> | port | 3306
> |
> | preload_buffer_size | 32768
> |
> | protocol_version | 10
> |
> | query_alloc_block_size | 8192
> |
> | query_cache_limit | 33554432
> |
> | query_cache_min_res_unit | 4096
> |
> | query_cache_size | 33554432
> |
> | query_cache_type | ON
> |
> | query_cache_wlock_invalidate | OFF
> |
> | query_prealloc_size | 8192
> |
> | range_alloc_block_size | 2048
> |
> | read_buffer_size | 131072
> |
> | read_only | OFF
> |
> | read_rnd_buffer_size | 262144
> |
> | relay_log_purge | ON
> |
> | relay_log_space_limit | 0
> |
> | rpl_recovery_rank | 0
> |
> | secure_auth | OFF
> |
> | server_id | 0
> |
> | skip_external_locking | ON
> |
> | skip_networking | OFF
> |
> | skip_show_database | OFF
> |
> | slave_compressed_protocol | OFF
> |
> | slave_load_tmpdir | /db.example.com/tmp/ |
> | slave_net_timeout | 3600
> |
> | slave_skip_errors | OFF
> |
> | slave_transaction_retries | 10
> |
> | slow_launch_time | 2
> |
> | socket | /var/lib/mysql/mysql.sock
> |
> | sort_buffer_size | 33554424
> |
> | sql_mode |
> |
> | sql_notes | ON
> |
> | sql_warnings | ON
> |
> | storage_engine | MyISAM
> |
> | sync_binlog | 0
> |
> | sync_frm | ON
> |
> | sync_replication | 0
> |
> | sync_replication_slave_id | 0
> |
> | sync_replication_timeout | 10
> |
> | system_time_zone | CST
> |
> | table_cache | 1000
> |
> | table_lock_wait_timeout | 50
> |
> | table_type | MyISAM
> |
> | thread_cache_size | 0
> |
> | thread_stack | 196608
> |
> | time_format | %H:%i:%s
> |
> | time_zone | SYSTEM
> |
> | timed_mutexes | OFF
> |
> | tmp_table_size | 33554432
> |
> | tmpdir | /db.example.com/tmp |
> | transaction_alloc_block_size | 8192
> |
> | transaction_prealloc_size | 4096
> |
> | tx_isolation | REPEATABLE-READ
> |
> | updatable_views_with_limit | YES
> |
> | version | 5.0.16-standard
> |
> | version_comment | MySQL Community Edition - Standard
(GPL)
> |
> | version_compile_machine | x86_64
> |
> | version_compile_os | unknown-linux-gnu
> |
> | wait_timeout | 28800
> |
>
+---------------------------------+-----------------------------------------
>
>
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