Re: large InnoDB table partitioning without explicit PK

[Miko M]

MariaDB [(none)]> show global status;
+---------------------------------------+---------------+
| Variable_name | Value |
+---------------------------------------+---------------+
| Aborted_clients | 39 |
| Aborted_connects | 7 |
| Access_denied_errors | 7 |
| Aria_pagecache_blocks_not_flushed | 0 |
| Aria_pagecache_blocks_unused | 15736 |
| Aria_pagecache_blocks_used | 15736 |
| Aria_pagecache_read_requests | 57167611 |
| Aria_pagecache_reads | 297059 |
| Aria_pagecache_write_requests | 13086940 |
| Aria_pagecache_writes | 425775 |
| Aria_transaction_log_syncs | 18 |
| Binlog_bytes_written | 0 |
| Binlog_cache_disk_use | 0 |
| Binlog_cache_use | 0 |
| Busy_time | 0.000000 |
| Bytes_received | 1028886898925 |
| Bytes_sent | 378232440749 |
| Com_admin_commands | 2217 |
| Com_assign_to_keycache | 0 |
| 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 | 5089 |
| Com_alter_tablespace | 0 |
| Com_analyze | 0 |
| Com_backup_table | 0 |
| Com_begin | 0 |
| Com_binlog | 0 |
| Com_call_procedure | 22762 |
| Com_change_db | 72 |
| Com_change_master | 0 |
| Com_check | 0 |
| Com_checksum | 0 |
| Com_commit | 0 |
| Com_create_db | 0 |
| Com_create_event | 2 |
| Com_create_function | 0 |
| Com_create_index | 0 |
| Com_create_procedure | 0 |
| Com_create_server | 0 |
| Com_create_table | 0 |
| Com_create_trigger | 0 |
| Com_create_udf | 0 |
| Com_create_user | 0 |
| Com_create_view | 0 |
| Com_dealloc_sql | 22782 |
| Com_delete | 0 |
| Com_delete_multi | 0 |
| Com_do | 0 |
| Com_drop_db | 0 |
| Com_drop_event | 2 |
| Com_drop_function | 0 |
| Com_drop_index | 0 |
| Com_drop_procedure | 0 |
| Com_drop_server | 0 |
| Com_drop_table | 0 |
| Com_drop_trigger | 0 |
| Com_drop_user | 0 |
| Com_drop_view | 0 |
| Com_empty_query | 0 |
| Com_execute_sql | 22808 |
| Com_flush | 0 |
| Com_grant | 0 |
| Com_ha_close | 0 |
| Com_ha_open | 0 |
| Com_ha_read | 0 |
| Com_help | 0 |
| Com_insert | 1881655938 |
| Com_insert_select | 0 |
| Com_install_plugin | 0 |
| Com_kill | 28 |
| Com_load | 0 |
| Com_load_master_data | 0 |
| Com_load_master_table | 0 |
| Com_lock_tables | 0 |
| Com_optimize | 0 |
| Com_preload_keys | 0 |
| Com_prepare_sql | 22808 |
| 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_restore_table | 0 |
| Com_revoke | 0 |
| Com_revoke_all | 0 |
| Com_rollback | 0 |
| Com_rollback_to_savepoint | 0 |
| Com_savepoint | 0 |
| Com_select | 2631416 |
| Com_set_option | 1257979 |
| Com_show_authors | 0 |
| Com_show_binlog_events | 0 |
| Com_show_binlogs | 0 |
| Com_show_charsets | 0 |
| Com_show_client_statistics | 0 |
| Com_show_collations | 308785 |
| Com_show_column_types | 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 | 6 |
| Com_show_create_trigger | 0 |
| Com_show_databases | 82 |
| Com_show_engine_logs | 0 |
| Com_show_engine_mutex | 0 |
| Com_show_engine_status | 3 |
| Com_show_events | 10 |
| Com_show_errors | 0 |
| Com_show_fields | 384 |
| Com_show_function_status | 0 |
| Com_show_grants | 0 |
| Com_show_keys | 1 |
| Com_show_index_statistics | 0 |
| Com_show_master_status | 0 |
| Com_show_new_master | 0 |
| Com_show_open_tables | 0 |
| Com_show_plugins | 0 |
| Com_show_privileges | 0 |
| Com_show_procedure_status | 0 |
| Com_show_processlist | 518 |
| Com_show_profile | 0 |
| Com_show_profiles | 0 |
| Com_show_slave_hosts | 0 |
| Com_show_slave_status | 0 |
| Com_show_status | 1 |
| Com_show_storage_engines | 0 |
| Com_show_table_statistics | 0 |
| Com_show_table_status | 4 |
| Com_show_tables | 117 |
| Com_show_triggers | 0 |
| Com_show_user_statistics | 0 |
| Com_show_variables | 308797 |
| Com_show_warnings | 1 |
| Com_slave_start | 0 |
| Com_slave_stop | 0 |
| Com_stmt_close | 22782 |
| Com_stmt_execute | 22808 |
| Com_stmt_fetch | 0 |
| Com_stmt_prepare | 22808 |
| Com_stmt_reprepare | 0 |
| Com_stmt_reset | 0 |
| Com_stmt_send_long_data | 0 |
| Com_truncate | 0 |
| Com_uninstall_plugin | 0 |
| Com_unlock_tables | 0 |
| Com_update | 0 |
| Com_update_multi | 15188 |
| 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 |
| Connections | 454305 |
| Cpu_time | 0.000000 |
| Created_tmp_disk_tables | 15205 |
| Created_tmp_files | 5089 |
| Created_tmp_tables | 814996 |
| Delayed_errors | 0 |
| Delayed_insert_threads | 0 |
| Delayed_writes | 0 |
| Empty_queries | 78494 |
| Flush_commands | 1 |
| Handler_commit | 1880849465 |
| Handler_delete | 2 |
| Handler_discover | 0 |
| Handler_prepare | 0 |
| Handler_read_first | 919141 |
| Handler_read_key | 7301513434 |
| Handler_read_next | 1252369305810 |
| Handler_read_prev | 366357702 |
| Handler_read_rnd | 1213626 |
| Handler_read_rnd_next | 342974078 |
| Handler_rollback | 965608 |
| Handler_savepoint | 0 |
| Handler_savepoint_rollback | 0 |
| Handler_update | 7282810139 |
| Handler_write | 3825949873 |
| Innodb_buffer_pool_pages_data | 1881386 |
| Innodb_buffer_pool_pages_dirty | 0 |
| Innodb_buffer_pool_pages_flushed | 34084311 |
| Innodb_buffer_pool_pages_free | 0 |
| Innodb_buffer_pool_pages_misc | 215765 |
| Innodb_buffer_pool_pages_total | 2097151 |
| Innodb_buffer_pool_read_ahead_rnd | 0 |
| Innodb_buffer_pool_read_ahead | 1579244 |
| Innodb_buffer_pool_read_ahead_evicted | 25285 |
| Innodb_buffer_pool_read_requests | 1308132126313 |
| Innodb_buffer_pool_reads | 3732307 |
| Innodb_buffer_pool_wait_free | 7 |
| Innodb_buffer_pool_write_requests | 11754841467 |
| Innodb_data_fsyncs | 1728224 |
| Innodb_data_pending_fsyncs | 0 |
| Innodb_data_pending_reads | 0 |
| Innodb_data_pending_writes | 0 |
| Innodb_data_read | 87027044352 |
| Innodb_data_reads | 3759062 |
| Innodb_data_writes | 5083562 |
| Innodb_data_written | 1828452827648 |
| Innodb_dblwr_pages_written | 34084311 |
| Innodb_deadlocks | 0 |
| Innodb_dblwr_writes | 355280 |
| Innodb_dict_tables | 278 |
| Innodb_have_atomic_builtins | ON |
| Innodb_log_waits | 0 |
| Innodb_log_write_requests | 1446406008 |
| Innodb_log_writes | 428337 |
| Innodb_os_log_fsyncs | 591101 |
| Innodb_os_log_pending_fsyncs | 0 |
| Innodb_os_log_pending_writes | 0 |
| Innodb_os_log_written | 711494432768 |
| Innodb_page_size | 16384 |
| Innodb_pages_created | 30384454 |
| Innodb_pages_read | 5311575 |
| Innodb_pages_written | 34084311 |
| Innodb_row_lock_current_waits | 0 |
| Innodb_row_lock_time | 0 |
| Innodb_row_lock_time_avg | 0 |
| Innodb_row_lock_time_max | 0 |
| Innodb_row_lock_waits | 0 |
| Innodb_rows_deleted | 0 |
| Innodb_rows_inserted | 1880672435 |
| Innodb_rows_read | 1252509907626 |
| Innodb_rows_updated | 30376 |
| Key_blocks_not_flushed | 0 |
| Key_blocks_unused | 205 |
| Key_blocks_used | 4 |
| Key_blocks_warm | 0 |
| Key_read_requests | 111460 |
| Key_reads | 4 |
| Key_write_requests | 12 |
| Key_writes | 8 |
| Last_query_cost | 0.000000 |
| Maria_pagecache_blocks_not_flushed | 0 |
| Maria_pagecache_blocks_unused | 15736 |
| Maria_pagecache_blocks_used | 15736 |
| Maria_pagecache_read_requests | 57167611 |
| Maria_pagecache_reads | 297059 |
| Maria_pagecache_write_requests | 13086940 |
| Maria_pagecache_writes | 425775 |
| Maria_transaction_log_syncs | 18 |
| Max_used_connections | 35 |
| Not_flushed_delayed_rows | 0 |
| Open_files | 24 |
| Open_streams | 0 |
| Open_table_definitions | 20 |
| Open_tables | 22 |
| Opened_files | 110890 |
| Opened_table_definitions | 5109 |
| Opened_tables | 14004 |
| Prepared_stmt_count | 0 |
| Qcache_free_blocks | 1 |
| Qcache_free_memory | 8371240 |
| Qcache_hits | 5 |
| Qcache_inserts | 115 |
| Qcache_lowmem_prunes | 0 |
| Qcache_not_cached | 2631224 |
| Qcache_queries_in_cache | 0 |
| Qcache_total_blocks | 1 |
| Queries | 1886927178 |
| Questions | 1886542538 |
| Rows_read | 1236650152620 |
| Rows_sent | 1997307528 |
| Rpl_status | NULL |
| Select_full_join | 15188 |
| Select_full_range_join | 0 |
| Select_range | 114123 |
| Select_range_check | 0 |
| Select_scan | 693434 |
| Slave_open_temp_tables | 0 |
| Slave_retried_transactions | 0 |
| Slave_running | OFF |
| Slow_launch_threads | 0 |
| Slow_queries | 6960 |
| Sort_merge_passes | 7 |
| Sort_range | 6 |
| Sort_rows | 1229862 |
| Sort_scan | 120102 |
| 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_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 | |
| Syncs | 48152 |
| Table_locks_immediate | 221565221010 |
| Table_locks_waited | 108 |
| Tc_log_max_pages_used | 0 |
| Tc_log_page_size | 4096 |
| Tc_log_page_waits | 0 |
| Threads_cached | 10 |
| Threads_connected | 7 |
| Threads_created | 46 |
| Threads_running | 2 |
| Uptime | 4556154 |
| Uptime_since_flush_status | 4556154 |
+---------------------------------------+---------------+