Turns out the Linux table_cache was 457 to Solaris 64. Could that have been all the speed difference ? - Sam. Solaris mysql> show variables; +-------------------------+----------------------------------------------------- ------+ | Variable_name | Value | +-------------------------+----------------------------------------------------- ------+ | ansi_mode | OFF | | back_log | 50 | | basedir | /export/home/mysql/app/mysql-3.23.33/ | | binlog_cache_size | 32768 | | character_set | latin1 | | character_sets | latin1 cp1251 | | concurrent_insert | ON | | connect_timeout | 5 | | datadir | /export/home/mysql/app/mysql-3.23.33/var/ | | delay_key_write | ON | | delayed_insert_limit | 100 | | delayed_insert_timeout | 300 | | delayed_queue_size | 1000 | | flush | OFF | | flush_time | 0 | | have_bdb | NO | | have_gemini | NO | | have_innobase | NO | | have_isam | YES | | have_raid | NO | | have_ssl | NO | | init_file | | | interactive_timeout | 28800 | | join_buffer_size | 131072 | | key_buffer_size | 67104768 | | language | /export/home/mysql/app/mysql-3.23.33/share/mysql/eng lish/ | | large_files_support | ON | | locked_in_memory | OFF | | log | OFF | | log_update | OFF | | log_bin | OFF | | log_slave_updates | OFF | | long_query_time | 10 | | low_priority_updates | OFF | | lower_case_table_names | 0 | | max_allowed_packet | 1048576 | | max_binlog_cache_size | 4294967295 | | max_binlog_size | 1073741824 | | max_connections | 100 | | max_connect_errors | 10 | | max_delayed_threads | 20 | | max_heap_table_size | 16777216 | | max_join_size | 4294967295 | | max_sort_length | 1024 | | max_tmp_tables | 32 | | max_write_lock_count | 4294967295 | | myisam_recover_options | OFF | | myisam_sort_buffer_size | 8388608 | | net_buffer_length | 16384 | | net_read_timeout | 30 | | net_retry_count | 10 | | net_write_timeout | 60 | open_files_limit | 0 | | pid_file | /export/home/mysql/app/mysql-3.23.33/var/devel2.pid | | port | 3306 | | protocol_version | 10 | | record_buffer | 131072 | | query_buffer_size | 0 | | safe_show_database | OFF | | server_id | 0 | | skip_locking | OFF | | skip_networking | OFF | | skip_show_database | OFF | | slow_launch_time | 2 | | socket | /tmp/mysql.sock | | sort_buffer | 4194296 | | table_cache | 64 | | table_type | MYISAM | | thread_cache_size | 0 | | thread_concurrency | 10 | | thread_stack | 65536 | | timezone | PST | | tmp_table_size | 1048576 | | tmpdir | /var/tmp/ | | version | 3.23.33 | | wait_timeout | 28800 Linux : mysql> show variables; +-------------------------+----------------------------------------------------- -------------------------------------------------------------------------------- --------------------------------------------------------------------+ | Variable_name | Value | +-------------------------+----------------------------------------------------- -------------------------------------------------------------------------------- --------------------------------------------------------------------+ | ansi_mode | OFF | back_log | 50 | basedir | /home/mysql/mysql-3.23.32-pc-linux-gnu-i686/ | binlog_cache_size | 32768 | character_set | latin1 | character_sets | latin1 big5 czech euc_kr gb2312 gbk sjis tis620 ujis dec8 dos german1 hp8 koi8_ru latin2 swe7 usa7 cp1251 danish hebrew win1251 esto nia hungarian koi8_ukr win1251ukr greek win1250 croat cp1257 latin5 | | concurrent_insert | ON | connect_timeout | 5 | datadir | /home/mysql/mysql-3.23.32-pc-linux-gnu-i686/data/ | delay_key_write | ON | delayed_insert_limit | 100 | delayed_insert_timeout | 300 | delayed_queue_size | 1000 | flush | OFF | flush_time | 0 | have_bdb | NO | have_gemini | NO | have_innobase | NO | have_isam | YES | have_raid | NO | have_ssl | NO | init_file | | interactive_timeout | 28800 | join_buffer_size | 131072 | key_buffer_size | 67104768 | language | /home/mysql/mysql-3.23.32-pc-linux-gnu-i686/share/my sql/english/ | large_files_support | ON | locked_in_memory | OFF | log | OFF | log_update | OFF | log_bin | OFF | log_slave_updates | OFF | long_query_time | 10 | low_priority_updates | OFF | lower_case_table_names | 0 | max_allowed_packet | 1048576 | max_binlog_cache_size | 4294967295 | max_connections | 100 | max_connect_errors | 10 | max_delayed_threads | 20 | max_heap_table_size | 16777216 | max_join_size | 4294967295 | max_sort_length | 1024 | max_tmp_tables | 32 | max_write_lock_count | 4294967295 | myisam_recover_options | OFF | myisam_sort_buffer_size | 8388608 | net_buffer_length | 16384 | net_read_timeout | 30 | net_retry_count | 10 | net_write_timeout | 60 | open_files_limit | 0 | pid_file | | port | 3306 | protocol_version | 10 | record_buffer | 131072 | query_buffer_size | 0 | safe_show_database | OFF | server_id | 0 | skip_locking | ON | skip_networking | OFF | skip_show_database | OFF | slow_launch_time | 2 | socket | /tmp/mysql.sock | sort_buffer | 4194296 | table_cache | 457 | table_type | MYISAM | thread_cache_size | 0 | thread_stack | 65536 | timezone | PST | tmp_table_size | 1048576 | tmpdir | /tmp/ | version | 3.23.32 | wait_timeout | 28800 --------------------------------- Do You Yahoo!? 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