Re: Show innodb engine status tuning db server

[Frwa Onto]

Hi Rick,
Below are the values you wanted.

1)mysql> show variables like 'innodb%';
+-----------------------------------------+------------------------+
| Variable_name | Value |
+-----------------------------------------+------------------------+
| innodb_adaptive_hash_index | ON |
| innodb_additional_mem_pool_size | 1048576 |
| innodb_autoextend_increment | 8 |
| innodb_autoinc_lock_mode | 1 |
| innodb_buffer_pool_size | 5368709120 |
| 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 | ON |
| innodb_flush_log_at_trx_commit | 1 |
| innodb_flush_method | |
| innodb_force_recovery | 0 |
| innodb_lock_wait_timeout | 120 |
| innodb_locks_unsafe_for_binlog | 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_rollback_on_timeout | OFF |
| innodb_stats_method | nulls_equal |
| innodb_stats_on_metadata | ON |
| innodb_support_xa | ON |
| innodb_sync_spin_loops | 20 |
| innodb_table_locks | ON |
| innodb_thread_concurrency | 8 |
| innodb_thread_sleep_delay | 10000 |
| innodb_use_legacy_cardinality_algorithm | ON |
+-----------------------------------------+------------------------+
36 rows in set (0.00 sec)


2)mysql> show global status like 'innodb%';
+-----------------------------------+-------------+
| Variable_name | Value |
+-----------------------------------+-------------+
| Innodb_buffer_pool_pages_data | 72921 |
| Innodb_buffer_pool_pages_dirty | 0 |
| Innodb_buffer_pool_pages_flushed | 716678 |
| Innodb_buffer_pool_pages_free | 254043 |
| Innodb_buffer_pool_pages_misc | 716 |
| Innodb_buffer_pool_pages_total | 327680 |
| Innodb_buffer_pool_read_ahead_rnd | 42 |
| Innodb_buffer_pool_read_ahead_seq | 894 |
| Innodb_buffer_pool_read_requests | 1091499714 |
| Innodb_buffer_pool_reads | 16114 |
| Innodb_buffer_pool_wait_free | 0 |
| Innodb_buffer_pool_write_requests | 40140112 |
| Innodb_data_fsyncs | 576409 |
| Innodb_data_pending_fsyncs | 0 |
| Innodb_data_pending_reads | 0 |
| Innodb_data_pending_writes | 0 |
| Innodb_data_read | 1157484544 |
| Innodb_data_reads | 19225 |
| Innodb_data_writes | 979941 |
| Innodb_data_written | 24788483584 |
| Innodb_dblwr_pages_written | 716678 |
| Innodb_dblwr_writes | 33349 |
| Innodb_log_waits | 72 |
| Innodb_log_write_requests | 2441738 |
| Innodb_log_writes | 379320 |
| Innodb_os_log_fsyncs | 402512 |
| Innodb_os_log_pending_fsyncs | 0 |
| Innodb_os_log_pending_writes | 0 |
| Innodb_os_log_written | 1291926528 |
| Innodb_page_size | 16384 |
| Innodb_pages_created | 2439 |
| Innodb_pages_read | 70514 |
| Innodb_pages_written | 716678 |
| Innodb_row_lock_current_waits | 0 |
| Innodb_row_lock_time | 3393067 |
| Innodb_row_lock_time_avg | 7854 |
| Innodb_row_lock_time_max | 29610 |
| Innodb_row_lock_waits | 432 |
| Innodb_rows_deleted | 2157134 |
| Innodb_rows_inserted | 205261 |
| Innodb_rows_read | 6984249761 |
| Innodb_rows_updated | 190187 |
+-----------------------------------+-------------+

3)This machine got 8 GB ram.
Thank you for the command I can see wow there are 432 times lock wait. So what is your suggestion here?