high cpu utilization on solaris

Hi,

I am new to mysql, basically i am oracle dba,

Greately appreciated if anybody suggest me on below scenerio.

for few queries from php (which i checked it is properly using index) cpu utilization is 98%, and later server becomes hangs.

os : sun solaris 5.9

frontend:php

mysql> show variables like ‘%version%’;
±------------------------±-----------------------------+
| Variable_name | Value |
±------------------------±-----------------------------+
| protocol_version | 10 |
| version | 5.0.77-log |
| version_comment | MySQL Community Server (GPL) |
| version_compile_machine | sparc |
| version_compile_os | sun-solaris2.9 |
±------------------------±-----------------------------+
5 rows in set (0.00 sec)

load averages: 7.82, 7.88, 7.44 12:36:51
112 processes: 108 sleeping, 1 zombie, 1 stopped, 2 on cpu
CPU states: 0.0% idle, 97.1% user, 2.9% kernel, 0.0% iowait, 0.0% swap
Memory: 2048M real, 262M free, 1923M swap in use, 3585M swap free

PID USERNAME THR PRI NICE SIZE RES STATE TIME CPU COMMAND
12850 mysql 30 59 0 0K 0K cpu/1 117:34 98.81% mysqld
372 root 6 59 0 4000K 2464K sleep 51:26 0.09% picld
1619 root 1 59 0 80M 2512K sleep 0:05 0.01% Xsun
643 root 24 59 0 3784K 2448K sleep 0:18 0.00% nscd
723 root 1 59 0 2688K 1256K sleep 0:16 0.00% arraymon
526 root 17 59 0 65M 3584K sleep 0:10 0.00% vxsvc
586 root 1 59 0 2504K 1448K sleep 0:08 0.00% inetd
16 root 1 59 0 9192K 4000K sleep 0:02 0.00% vxconfigd
4344 root 2 49 0 10M 2896K sleep 0:01 0.00% dtsession
4352 root 1 59 0 7520K 2600K sleep 0:01 0.00% sdtperfmeter
1401 root 7 59 0 2624K 1912K sleep 0:01 0.00% mibiisa
1 root 1 59 0 1288K 192K sleep 0:01 0.00% init
13080 oracle 1 59 0 2264K 1336K cpu/0 0:00 0.00% top
10332 oracle 1 60 0 0K 0K stop 0:00 0.00% mysql
5673 root 1 39 10 4400K 1768K sleep 0:00 0.00% dtscreen

mysql> show variables;
±--------------------------------±------------------------ ---------------+
| Variable_name | Value |
±--------------------------------±------------------------ ---------------+
| auto_increment_increment | 1 |
| auto_increment_offset | 1 |
| automatic_sp_privileges | ON |
| back_log | 50 |
| basedir | /opt/mysql/mysql/ |
| binlog_cache_size | 32768 |
| bulk_insert_buffer_size | 8388608 |
| character_set_client | latin1 |
| character_set_connection | latin1 |
| character_set_database | latin1 |
| character_set_filesystem | binary |
| character_set_results | latin1 |
| character_set_server | latin1 |
| character_set_system | utf8 |
| character_sets_dir | /opt/mysql/mysql/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 | 10 |
| datadir | /oratranslog/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 |
| keep_files_on_create | OFF |
| 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 | 4 |
| ft_query_expansion_limit | 20 |
| ft_stopword_file | (built-in) |
| group_concat_max_len | 1024 |
| have_archive | YES |
| have_bdb | NO |
| have_blackhole_engine | YES |
| have_compress | YES |
| have_crypt | YES |
| have_csv | YES |
| have_dynamic_loading | YES |
| have_example_engine | NO |
| have_federated_engine | DISABLED |
| have_geometry | YES |
| have_innodb | YES |
| have_isam | NO |
| have_merge_engine | YES |
| have_ndbcluster | DISABLED |
| have_openssl | DISABLED |
| have_ssl | DISABLED |
| have_query_cache | YES |
| have_raid | NO |
| have_rtree_keys | YES |
| have_symlink | YES |
| hostname | drportal |
| init_connect | |
| init_file | |
| init_slave | |
| innodb_additional_mem_pool_size | 104857600 |
| innodb_autoextend_increment | 8 |
| innodb_buffer_pool_awe_mem_mb | 0 |
| innodb_buffer_pool_size | 1048576000 |
| innodb_checksums | ON |
| innodb_commit_concurrency | 0 |
| innodb_concurrency_tickets | 500 |
| innodb_data_file_path | ibdata1:2000M;ibdata2:10M:autoextend |
| innodb_data_home_dir | /oratranslog/mysql/ |
| innodb_adaptive_hash_index | ON |
| innodb_doublewrite | ON |
| innodb_fast_shutdown | 1 |
| innodb_file_io_threads | 4 |
| innodb_file_per_table | OFF |
| innodb_flush_log_at_trx_commit | 2 |
| innodb_flush_method | |
| innodb_force_recovery | 0 |
| innodb_lock_wait_timeout | 50 |
| innodb_locks_unsafe_for_binlog | OFF |
| innodb_log_arch_dir | /oratranslog/mysql/ |
| innodb_log_archive | OFF |
| innodb_log_buffer_size | 52428800 |
| innodb_log_file_size | 104857600 |
| innodb_log_files_in_group | 2 |
| innodb_log_group_home_dir | /oratranslog/mysql/ |
| innodb_max_dirty_pages_pct | 90 |
| innodb_max_purge_lag | 0 |
| innodb_mirrored_log_groups | 1 |
| innodb_open_files | 300 |
| innodb_rollback_on_timeout | OFF |
| innodb_support_xa | ON |
| innodb_sync_spin_loops | 20 |
| innodb_table_locks | ON |
| innodb_thread_concurrency | 501 |
| innodb_thread_sleep_delay | 10000 |
| interactive_timeout | 28800 |
| join_buffer_size | 10485760 |
| key_buffer_size | 402653184 |
| key_cache_age_threshold | 300 |
| key_cache_block_size | 1024 |
| key_cache_division_limit | 100 |
| language | /opt/mysql/mysql/share/mysql/english/ |
| large_files_support | ON |
| large_page_size | 0 |
| large_pages | OFF |
| lc_time_names | en_US |
| license | GPL |
| local_infile | ON |
| locked_in_memory | OFF |
| log | OFF |
| log_bin | ON |
| log_bin_trust_function_creators | OFF |
| log_error | |
| log_queries_not_using_indexes | OFF |
| log_slave_updates | OFF |
| log_slow_queries | ON |
| log_warnings | 1 |
| long_query_time | 10 |
| low_priority_updates | OFF |
| lower_case_file_system | OFF |
| lower_case_table_names | 1 |
| max_allowed_packet | 1048576 |
| max_binlog_cache_size | 18446744073709547520 |
| max_binlog_size | 1073741824 |
| max_connect_errors | 10 |
| max_connections | 200 |
| max_delayed_threads | 20 |
| max_error_count | 64 |
| max_heap_table_size | 67108864 |
| max_insert_delayed_threads | 20 |
| max_join_size | 18446744073709551615 |
| max_length_for_sort_data | 1024 |
| max_prepared_stmt_count | 16382 |
| max_relay_log_size | 0 |
| max_seeks_for_key | 18446744073709551615 |
| max_sort_length | 1024 |
| max_sp_recursion_depth | 0 |
| max_tmp_tables | 32 |
| max_user_connections | 0 |
| max_write_lock_count | 18446744073709551615 |
| multi_range_count | 256 |
| myisam_data_pointer_size | 6 |
| myisam_max_sort_file_size | 9223372036853727232 |
| myisam_recover_options | OFF |
| myisam_repair_threads | 1 |
| myisam_sort_buffer_size | 8388608 |
| myisam_stats_method | nulls_unequal |
| ndb_autoincrement_prefetch_sz | 1 |
| ndb_force_send | ON |
| ndb_use_exact_count | ON |
| ndb_use_transactions | ON |
| ndb_cache_check_time | 0 |
| ndb_connectstring | |
| net_buffer_length | 16384 |
| net_read_timeout | 30 |
| net_retry_count | 10 |
| net_write_timeout | 60 |
| new | OFF |
| old_passwords | OFF |
| open_files_limit | 1234 |
| optimizer_prune_level | 1 |
| optimizer_search_depth | 62 |
| pid_file | /oratranslog/mysql/drportal.pid |
| plugin_dir | |
| port | 3306 |
| preload_buffer_size | 32768 |
| profiling | OFF |
| profiling_history_size | 15 |
| protocol_version | 10 |
| query_alloc_block_size | 8192 |
| query_cache_limit | 1048576 |
| query_cache_min_res_unit | 4096 |
| query_cache_size | 52428800 |
| query_cache_type | ON |
| query_cache_wlock_invalidate | OFF |
| query_prealloc_size | 8192 |
| range_alloc_block_size | 4096 |
| read_buffer_size | 131072 |
| read_only | OFF |
| read_rnd_buffer_size | 262144 |
| relay_log | |
| relay_log_index | |
| relay_log_info_file | relay-log.info |
| relay_log_purge | ON |
| relay_log_space_limit | 0 |
| rpl_recovery_rank | 0 |
| secure_auth | OFF |
| secure_file_priv | |
| server_id | 1 |
| skip_external_locking | ON |
| skip_networking | OFF |
| skip_show_database | OFF |
| slave_compressed_protocol | OFF |
| slave_load_tmpdir | /tmp/ |
| slave_net_timeout | 3600 |
| slave_skip_errors | OFF |
| slave_transaction_retries | 10 |
| slow_launch_time | 2 |
| socket | /tmp/mysql.sock |
| sort_buffer_size | 10485760 |
| sql_big_selects | ON |
| sql_mode | |
| sql_notes | ON |
| sql_warnings | OFF |
| ssl_ca | |
| ssl_capath | |
| ssl_cert | |
| ssl_cipher | |
| ssl_key | |
| storage_engine | InnoDB |
| sync_binlog | 0 |
| sync_frm | ON |
| system_time_zone | IST |
| table_cache | 512 |
| table_lock_wait_timeout | 50 |
| table_type | InnoDB |
| thread_cache_size | 8 |
| thread_concurrency | 8 |
| thread_stack | 262144 |
| time_format | %H:%i:%s |
| time_zone | SYSTEM |
| timed_mutexes | OFF |
| tmp_table_size | 67108864 |
| tmpdir | /tmp/ |
| transaction_alloc_block_size | 8192 |
| transaction_prealloc_size | 4096 |
| tx_isolation | REPEATABLE-READ |
| updatable_views_with_limit | YES |
| version | 5.0.77-log |
| version_comment | MySQL Community Server (GPL) |
| version_compile_machine | sparc |
| version_compile_os | sun-solaris2.9 |
| wait_timeout | 28800 |
±--------------------------------±------------------------ ---------------+

where should i concentrate to tune the mysql.

Thanks in advance.

Prakash GR

There isn’t enough information to help you, and I think you aren’t familiar enough with mysql to know what to ask. You should start with some training, or read the MySQL manual.