Re: MyTOP - Key Efficiency 50.0% - How to improve it?
Posted by: Mahesh Kumar
Date: January 21, 2018 02:55AM
Date: January 21, 2018 02:55AM
+----------------+--------+-------+---------+ | storage_engine | dataMB | idxMB | totalMB | +----------------+--------+-------+---------+ | Aria | 0.1 | 0.1 | 0.2 | | CSV | 0.0 | 0.0 | 0.0 | | InnoDB | 176.8 | 143.7 | 320.5 | | MEMORY | 0.0 | 0.0 | 0.0 | | MyISAM | 0.5 | 0.1 | 0.6 | | TOTALS | 177.4 | 143.9 | 321.3 | +----------------+--------+-------+---------+ +--------------------------------------------------------------+----------------------------------------+ | Variable_name | Value | +--------------------------------------------------------------+----------------------------------------+ | Aborted_clients | 4 | | Aborted_connects | 4 | | Access_denied_errors | 4 | | Acl_column_grants | 0 | | Acl_database_grants | 1 | | Acl_function_grants | 0 | | Acl_procedure_grants | 0 | | Acl_proxy_users | 1 | | Acl_role_grants | 0 | | Acl_roles | 0 | | Acl_table_grants | 0 | | Acl_users | 5 | | Aria_pagecache_blocks_not_flushed | 0 | | Aria_pagecache_blocks_unused | 15706 | | Aria_pagecache_blocks_used | 0 | | Aria_pagecache_read_requests | 0 | | Aria_pagecache_reads | 0 | | Aria_pagecache_write_requests | 0 | | Aria_pagecache_writes | 0 | | Aria_transaction_log_syncs | 0 | | Binlog_commits | 1894785 | | Binlog_group_commits | 1894506 | | Binlog_group_commit_trigger_count | 0 | | Binlog_group_commit_trigger_lock_wait | 0 | | Binlog_group_commit_trigger_timeout | 0 | | Binlog_snapshot_file | mariadb-bin.000009 | | Binlog_snapshot_position | 57129330 | | Binlog_bytes_written | 581416352 | | Binlog_cache_disk_use | 31 | | Binlog_cache_use | 1894783 | | Binlog_stmt_cache_disk_use | 0 | | Binlog_stmt_cache_use | 0 | | Busy_time | 0.000000 | | Bytes_received | 2959854173 | | Bytes_sent | 15024514383 | | Com_admin_commands | 2 | | Com_alter_db | 0 | | Com_alter_db_upgrade | 0 | | Com_alter_event | 0 | | Com_alter_function | 0 | | Com_alter_procedure | 0 | | Com_alter_server | 0 | | Com_alter_table | 8 | | Com_alter_tablespace | 0 | | Com_analyze | 0 | | Com_assign_to_keycache | 0 | | Com_begin | 1 | | Com_binlog | 0 | | Com_call_procedure | 0 | | Com_change_db | 6622722 | | Com_change_master | 0 | | Com_check | 0 | | Com_checksum | 0 | | Com_commit | 1 | | Com_compound_sql | 0 | | Com_create_db | 0 | | Com_create_event | 0 | | Com_create_function | 0 | | Com_create_index | 0 | | Com_create_procedure | 0 | | Com_create_role | 0 | | Com_create_server | 0 | | Com_create_table | 5 | | Com_create_temporary_table | 0 | | Com_create_trigger | 0 | | Com_create_udf | 0 | | Com_create_user | 0 | | Com_create_view | 0 | | Com_dealloc_sql | 0 | | Com_delete | 118380 | | Com_delete_multi | 0 | | Com_do | 0 | | Com_drop_db | 0 | | Com_drop_event | 0 | | Com_drop_function | 0 | | Com_drop_index | 0 | | Com_drop_procedure | 0 | | Com_drop_role | 0 | | Com_drop_server | 0 | | Com_drop_table | 7 | | Com_drop_temporary_table | 0 | | Com_drop_trigger | 0 | | Com_drop_user | 0 | | Com_drop_view | 0 | | Com_empty_query | 0 | | Com_execute_sql | 0 | | Com_flush | 8 | | Com_get_diagnostics | 0 | | Com_grant | 0 | | Com_grant_role | 0 | | Com_ha_close | 0 | | Com_ha_open | 0 | | Com_ha_read | 0 | | Com_help | 0 | | Com_insert | 1789160 | | Com_insert_select | 0 | | Com_install_plugin | 0 | | Com_kill | 0 | | Com_load | 0 | | Com_lock_tables | 4 | | Com_optimize | 0 | | Com_preload_keys | 0 | | Com_prepare_sql | 0 | | Com_purge | 0 | | Com_purge_before_date | 0 | | Com_release_savepoint | 0 | | Com_rename_table | 0 | | Com_rename_user | 0 | | Com_repair | 0 | | Com_replace | 0 | | Com_replace_select | 0 | | Com_reset | 0 | | Com_resignal | 0 | | Com_revoke | 0 | | Com_revoke_all | 0 | | Com_revoke_role | 0 | | Com_rollback | 0 | | Com_rollback_to_savepoint | 0 | | Com_savepoint | 0 | | Com_select | 5640388 | | Com_set_option | 6622758 | | Com_show_authors | 0 | | Com_show_binlog_events | 0 | | Com_show_binlogs | 0 | | Com_show_charsets | 0 | | Com_show_collations | 0 | | Com_show_contributors | 0 | | Com_show_create_db | 0 | | Com_show_create_event | 0 | | Com_show_create_func | 0 | | Com_show_create_proc | 0 | | Com_show_create_table | 4 | | Com_show_create_trigger | 0 | | Com_show_databases | 6 | | Com_show_engine_logs | 0 | | Com_show_engine_mutex | 0 | | Com_show_engine_status | 2 | | Com_show_errors | 0 | | Com_show_events | 0 | | Com_show_explain | 0 | | Com_show_fields | 10 | | Com_show_function_status | 0 | | Com_show_generic | 0 | | Com_show_grants | 0 | | Com_show_keys | 0 | | Com_show_master_status | 0 | | Com_show_open_tables | 0 | | Com_show_plugins | 0 | | Com_show_privileges | 0 | | Com_show_procedure_status | 0 | | Com_show_processlist | 179 | | Com_show_profile | 0 | | Com_show_profiles | 0 | | Com_show_relaylog_events | 0 | | Com_show_slave_hosts | 2 | | Com_show_slave_status | 181 | | Com_show_status | 186 | | Com_show_storage_engines | 2 | | Com_show_table_status | 6 | | Com_show_tables | 6 | | Com_show_triggers | 0 | | Com_show_variables | 191 | | Com_show_warnings | 0 | | Com_shutdown | 0 | | Com_signal | 0 | | Com_start_all_slaves | 0 | | Com_start_slave | 0 | | Com_stmt_close | 14168100 | | Com_stmt_execute | 14168101 | | Com_stmt_fetch | 0 | | Com_stmt_prepare | 14168108 | | Com_stmt_reprepare | 0 | | Com_stmt_reset | 0 | | Com_stmt_send_long_data | 0 | | Com_stop_all_slaves | 0 | | Com_stop_slave | 0 | | Com_truncate | 0 | | Com_uninstall_plugin | 0 | | Com_unlock_tables | 4 | | Com_update | 0 | | Com_update_multi | 0 | | Com_xa_commit | 0 | | Com_xa_end | 0 | | Com_xa_prepare | 0 | | Com_xa_recover | 0 | | Com_xa_rollback | 0 | | Com_xa_start | 0 | | Compression | OFF | | Connection_errors_accept | 0 | | Connection_errors_internal | 0 | | Connection_errors_max_connections | 0 | | Connection_errors_peer_address | 0 | | Connection_errors_select | 0 | | Connection_errors_tcpwrap | 0 | | Connections | 6623996 | | Cpu_time | 0.000000 | | Created_tmp_disk_tables | 11 | | Created_tmp_files | 7 | | Created_tmp_tables | 1212 | | Delayed_errors | 0 | | Delayed_insert_threads | 0 | | Delayed_writes | 0 | | Delete_scan | 0 | | Empty_queries | 563089 | | Executed_events | 0 | | Executed_triggers | 0 | | Feature_delay_key_write | 0 | | Feature_dynamic_columns | 0 | | Feature_fulltext | 0 | | Feature_gis | 0 | | Feature_locale | 0 | | Feature_subquery | 0 | | Feature_timezone | 2 | | Feature_trigger | 0 | | Feature_xml | 0 | | Flush_commands | 1 | | Handler_commit | 9425064 | | Handler_delete | 519921 | | Handler_discover | 52 | | Handler_external_lock | 0 | | Handler_icp_attempts | 0 | | Handler_icp_match | 0 | | Handler_mrr_init | 0 | | Handler_mrr_key_refills | 0 | | Handler_mrr_rowid_refills | 0 | | Handler_prepare | 3682538 | | Handler_read_first | 6 | | Handler_read_key | 39021097 | | Handler_read_last | 2 | | Handler_read_next | 31201873 | | Handler_read_prev | 198 | | Handler_read_retry | 0 | | Handler_read_rnd | 34111 | | Handler_read_rnd_deleted | 0 | | Handler_read_rnd_next | 523385 | | Handler_rollback | 12755 | | Handler_savepoint | 0 | | Handler_savepoint_rollback | 0 | | Handler_tmp_update | 6 | | Handler_tmp_write | 132705 | | Handler_update | 0 | | Handler_write | 5305638 | | Innodb_available_undo_logs | 128 | | Innodb_background_log_sync | 162690 | | Innodb_buffer_pool_bytes_data | 332365824 | | Innodb_buffer_pool_bytes_dirty | 53690368 | | Innodb_buffer_pool_dump_status | Dumping buffer pool(s) not yet started | | Innodb_buffer_pool_load_status | Loading buffer pool(s) not yet started | | Innodb_buffer_pool_pages_data | 20286 | | Innodb_buffer_pool_pages_dirty | 3277 | | Innodb_buffer_pool_pages_flushed | 491030 | | Innodb_buffer_pool_pages_free | 235425 | | Innodb_buffer_pool_pages_lru_flushed | 0 | | Innodb_buffer_pool_pages_made_not_young | 0 | | Innodb_buffer_pool_pages_made_young | 192 | | Innodb_buffer_pool_pages_misc | 6425 | | Innodb_buffer_pool_pages_old | 7324 | | Innodb_buffer_pool_pages_total | 262136 | | Innodb_buffer_pool_read_ahead | 0 | | Innodb_buffer_pool_read_ahead_evicted | 0 | | Innodb_buffer_pool_read_ahead_rnd | 0 | | Innodb_buffer_pool_read_requests | 249437148 | | Innodb_buffer_pool_reads | 164 | | Innodb_buffer_pool_wait_free | 0 | | Innodb_buffer_pool_write_requests | 30776964 | | Innodb_checkpoint_age | 13440309 | | Innodb_checkpoint_max_age | 80826164 | | Innodb_data_fsyncs | 2137302 | | Innodb_data_pending_fsyncs | 0 | | Innodb_data_pending_reads | 0 | | Innodb_data_pending_writes | 0 | | Innodb_data_read | 2757120 | | Innodb_data_reads | 178 | | Innodb_data_writes | 2516606 | | Innodb_data_written | 18204679168 | | Innodb_dblwr_pages_written | 491030 | | Innodb_dblwr_writes | 61278 | | Innodb_deadlocks | 0 | | Innodb_have_atomic_builtins | ON | | Innodb_history_list_length | 6 | | Innodb_ibuf_discarded_delete_marks | 0 | | Innodb_ibuf_discarded_deletes | 0 | | Innodb_ibuf_discarded_inserts | 0 | | Innodb_ibuf_free_list | 0 | | Innodb_ibuf_merged_delete_marks | 0 | | Innodb_ibuf_merged_deletes | 0 | | Innodb_ibuf_merged_inserts | 0 | | Innodb_ibuf_merges | 0 | | Innodb_ibuf_segment_size | 2 | | Innodb_ibuf_size | 1 | | Innodb_log_waits | 0 | | Innodb_log_write_requests | 2284344 | | Innodb_log_writes | 1947068 | | Innodb_lsn_current | 1111407692 | | Innodb_lsn_flushed | 1111407675 | | Innodb_lsn_last_checkpoint | 1097967383 | | Innodb_master_thread_active_loops | 108644 | | Innodb_master_thread_idle_loops | 54059 | | Innodb_max_trx_id | 7600258 | | Innodb_mem_adaptive_hash | 180962592 | | Innodb_mem_dictionary | 17811895 | | Innodb_mem_total | 4498391040 | | Innodb_mutex_os_waits | 1297 | | Innodb_mutex_spin_rounds | 180124 | | Innodb_mutex_spin_waits | 148054 | | Innodb_oldest_view_low_limit_trx_id | 0 | | Innodb_os_log_fsyncs | 1962819 | | Innodb_os_log_pending_fsyncs | 0 | | Innodb_os_log_pending_writes | 0 | | Innodb_os_log_written | 2106678784 | | Innodb_page_size | 16384 | | Innodb_pages_created | 20123 | | Innodb_pages_read | 163 | | Innodb_pages0_read | 4 | | Innodb_pages_written | 491030 | | Innodb_purge_trx_id | 7600204 | | Innodb_purge_undo_no | 0 | | Innodb_read_views_memory | 288 | | Innodb_row_lock_current_waits | 0 | | Innodb_row_lock_time | 61 | | Innodb_row_lock_time_avg | 0 | | Innodb_row_lock_time_max | 3 | | Innodb_row_lock_waits | 74 | | Innodb_rows_deleted | 519921 | | Innodb_rows_inserted | 5305638 | | Innodb_rows_read | 64742289 | | Innodb_rows_updated | 0 | | Innodb_system_rows_deleted | 0 | | Innodb_system_rows_inserted | 0 | | Innodb_system_rows_read | 0 | | Innodb_system_rows_updated | 0 | | Innodb_s_lock_os_waits | 7814 | | Innodb_s_lock_spin_rounds | 417551 | | Innodb_s_lock_spin_waits | 24766 | | Innodb_truncated_status_writes | 0 | | Innodb_x_lock_os_waits | 143 | | Innodb_x_lock_spin_rounds | 22185 | | Innodb_x_lock_spin_waits | 4342 | | Innodb_page_compression_saved | 0 | | Innodb_page_compression_trim_sect512 | 0 | | Innodb_page_compression_trim_sect1024 | 0 | | Innodb_page_compression_trim_sect2048 | 0 | | Innodb_page_compression_trim_sect4096 | 0 | | Innodb_page_compression_trim_sect8192 | 0 | | Innodb_page_compression_trim_sect16384 | 0 | | Innodb_page_compression_trim_sect32768 | 0 | | Innodb_num_index_pages_written | 393606 | | Innodb_num_non_index_pages_written | 2122419 | | Innodb_num_pages_page_compressed | 0 | | Innodb_num_page_compressed_trim_op | 0 | | Innodb_num_page_compressed_trim_op_saved | 0 | | Innodb_num_pages_page_decompressed | 0 | | Innodb_num_pages_page_compression_error | 0 | | Innodb_num_pages_encrypted | 0 | | Innodb_num_pages_decrypted | 0 | | Innodb_have_lz4 | ON | | Innodb_have_lzo | OFF | | Innodb_have_lzma | OFF | | Innodb_have_bzip2 | OFF | | Innodb_have_snappy | OFF | | Innodb_defragment_compression_failures | 0 | | Innodb_defragment_failures | 0 | | Innodb_defragment_count | 0 | | Innodb_onlineddl_rowlog_rows | 0 | | Innodb_onlineddl_rowlog_pct_used | 0 | | Innodb_onlineddl_pct_progress | 0 | | Innodb_secondary_index_triggered_cluster_reads | 31201986 | | Innodb_secondary_index_triggered_cluster_reads_avoided | 0 | | Innodb_encryption_rotation_pages_read_from_cache | 0 | | Innodb_encryption_rotation_pages_read_from_disk | 0 | | Innodb_encryption_rotation_pages_modified | 0 | | Innodb_encryption_rotation_pages_flushed | 0 | | Innodb_encryption_rotation_estimated_iops | 0 | | Innodb_encryption_key_rotation_list_length | 0 | | Innodb_scrub_background_page_reorganizations | 0 | | Innodb_scrub_background_page_splits | 0 | | Innodb_scrub_background_page_split_failures_underflow | 0 | | Innodb_scrub_background_page_split_failures_out_of_filespace | 0 | | Innodb_scrub_background_page_split_failures_missing_index | 0 | | Innodb_scrub_background_page_split_failures_unknown | 0 | | Innodb_encryption_num_key_requests | 0 | | Key_blocks_not_flushed | 0 | | Key_blocks_unused | 107161 | | Key_blocks_used | 2 | | Key_blocks_warm | 0 | | Key_read_requests | 24 | | Key_reads | 2 | | Key_write_requests | 0 | | Key_writes | 0 | | Last_query_cost | 0.000000 | | Master_gtid_wait_count | 0 | | Master_gtid_wait_time | 0 | | Master_gtid_wait_timeouts | 0 | | Max_statement_time_exceeded | 0 | | Max_used_connections | 13 | | Memory_used | 341746784 | | Not_flushed_delayed_rows | 0 | | Open_files | 61 | | Open_streams | 0 | | Open_table_definitions | 86 | | Open_tables | 108 | | Opened_files | 218 | | Opened_plugin_libraries | 0 | | Opened_table_definitions | 95 | | Opened_tables | 123 | | Opened_views | 0 | | Performance_schema_accounts_lost | 0 | | Performance_schema_cond_classes_lost | 0 | | Performance_schema_cond_instances_lost | 0 | | Performance_schema_digest_lost | 0 | | Performance_schema_file_classes_lost | 0 | | Performance_schema_file_handles_lost | 0 | | Performance_schema_file_instances_lost | 0 | | Performance_schema_hosts_lost | 0 | | Performance_schema_locker_lost | 0 | | Performance_schema_mutex_classes_lost | 0 | | Performance_schema_mutex_instances_lost | 0 | | Performance_schema_rwlock_classes_lost | 0 | | Performance_schema_rwlock_instances_lost | 0 | | Performance_schema_session_connect_attrs_lost | 0 | | Performance_schema_socket_classes_lost | 0 | | Performance_schema_socket_instances_lost | 0 | | Performance_schema_stage_classes_lost | 0 | | Performance_schema_statement_classes_lost | 0 | | Performance_schema_table_handles_lost | 0 | | Performance_schema_table_instances_lost | 0 | | Performance_schema_thread_classes_lost | 0 | | Performance_schema_thread_instances_lost | 0 | | Performance_schema_users_lost | 0 | | Prepared_stmt_count | 1 | | Qcache_free_blocks | 1 | | Qcache_free_memory | 67067328 | | Qcache_hits | 2398 | | Qcache_inserts | 5455265 | | Qcache_lowmem_prunes | 0 | | Qcache_not_cached | 182004 | | Qcache_queries_in_cache | 6 | | Qcache_total_blocks | 17 | | Queries | 55754411 | | Questions | 27418203 | | Rows_read | 64748382 | | Rows_sent | 31922500 | | Rows_tmp_read | 166822 | | Rpl_status | AUTH_MASTER | | Select_full_join | 0 | | Select_full_range_join | 0 | | Select_range | 0 | | Select_range_check | 0 | | Select_scan | 2353 | | Slave_connections | 0 | | Slave_heartbeat_period | 0.000 | | Slave_open_temp_tables | 0 | | Slave_received_heartbeats | 0 | | Slave_retried_transactions | 0 | | Slave_running | OFF | | Slave_skipped_errors | 0 | | Slaves_connected | 0 | | Slaves_running | 0 | | Slow_launch_threads | 0 | | Slow_queries | 0 | | Sort_merge_passes | 0 | | Sort_priority_queue_sorts | 0 | | Sort_range | 0 | | Sort_rows | 34111 | | Sort_scan | 729 | | Ssl_accept_renegotiates | 0 | | Ssl_accepts | 0 | | Ssl_callback_cache_hits | 0 | | Ssl_cipher | | | Ssl_cipher_list | | | Ssl_client_connects | 0 | | Ssl_connect_renegotiates | 0 | | Ssl_ctx_verify_depth | 0 | | Ssl_ctx_verify_mode | 0 | | Ssl_default_timeout | 0 | | Ssl_finished_accepts | 0 | | Ssl_finished_connects | 0 | | Ssl_server_not_after | | | Ssl_server_not_before | | | Ssl_session_cache_hits | 0 | | Ssl_session_cache_misses | 0 | | Ssl_session_cache_mode | NONE | | Ssl_session_cache_overflows | 0 | | Ssl_session_cache_size | 0 | | Ssl_session_cache_timeouts | 0 | | Ssl_sessions_reused | 0 | | Ssl_used_session_cache_entries | 0 | | Ssl_verify_depth | 0 | | Ssl_verify_mode | 0 | | Ssl_version | | | Subquery_cache_hit | 0 | | Subquery_cache_miss | 0 | | Syncs | 43 | | Table_locks_immediate | 14340836 | | Table_locks_waited | 0 | | Tc_log_max_pages_used | 0 | | Tc_log_page_size | 0 | | Tc_log_page_waits | 0 | | Threadpool_idle_threads | 0 | | Threadpool_threads | 0 | | Threads_cached | 11 | | Threads_connected | 2 | | Threads_created | 13 | | Threads_running | 1 | | Update_scan | 0 | | Uptime | 162990 | | Uptime_since_flush_status | 162990 | | wsrep_cluster_conf_id | 18446744073709551615 | | wsrep_cluster_size | 0 | | wsrep_cluster_state_uuid | | | wsrep_cluster_status | Disconnected | | wsrep_connected | OFF | | wsrep_local_bf_aborts | 0 | | wsrep_local_index | 18446744073709551615 | | wsrep_provider_name | | | wsrep_provider_vendor | | | wsrep_provider_version | | | wsrep_ready | OFF | | wsrep_thread_count | 0 | +--------------------------------------------------------------+----------------------------------------+ 519 rows in set (0.01 sec)
Unable to copy show variables. It is going a lot down quickly.
mysqltuner report [--] InnoDB is enabled. [OK] InnoDB buffer pool / data size: 4.0G/289.4M [!!] InnoDB buffer pool instances: 8 [!!] InnoDB Used buffer: 9.04% (23696 used/ 262136 total) [OK] InnoDB Read buffer efficiency: 100.00% (212815064 hits/ 212815228 total) [!!] InnoDB Write buffer efficiency: 0.00% (0 hits/ 1 total) [OK] InnoDB log waits: 0.00% (0 waits / 1683861 writes)
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