很多有价值的统计数据在stats和monitor库中.
admin@127.0.0.1 [(none)]>SHOW TABLES FROM stats; +--------------------------------------+ | tables | +--------------------------------------+ | global_variables | | stats_memory_metrics | | stats_mysql_commands_counters | | stats_mysql_connection_pool | | stats_mysql_connection_pool_reset | | stats_mysql_global | | stats_mysql_prepared_statements_info | | stats_mysql_processlist | | stats_mysql_query_digest | | stats_mysql_query_digest_reset | | stats_mysql_query_rules | | stats_mysql_users | | stats_proxysql_servers_checksums | | stats_proxysql_servers_metrics | | stats_proxysql_servers_status | +--------------------------------------+15 rows in set (0.00 sec) admin@127.0.0.1 [(none)]>show tables from monitor; +------------------------------------+ | tables | +------------------------------------+ | mysql_server_connect_log | | mysql_server_group_replication_log | | mysql_server_ping_log | | mysql_server_read_only_log | | mysql_server_replication_lag_log | +------------------------------------+5 rows in set (0.00 sec)
查看后端mysql server的连接情况
admin@127.0.0.1 [(none)]>SELECT * FROM monitor.mysql_server_connect_log ORDER BY time_start_us DESC LIMIT 10; +----------+------+------------------+-------------------------+---------------+| hostname | port | time_start_us | connect_success_time_us | connect_error |+----------+------+------------------+-------------------------+---------------+| db212 | 3507 | 1535188682629466 | 1516 | NULL || db210 | 3507 | 1535188682031063 | 1192 | NULL || db211 | 3507 | 1535188681432956 | 2308 | NULL || db211 | 3507 | 1535188622982831 | 1132 | NULL || db212 | 3507 | 1535188622207688 | 1439 | NULL || db210 | 3507 | 1535188621432849 | 1078 | NULL || db210 | 3507 | 1535188562867433 | 642 | NULL || db212 | 3507 | 1535188562150665 | 1353 | NULL || db211 | 3507 | 1535188561432802 | 1362 | NULL || db211 | 3507 | 1535188503010756 | 1071 | NULL |+----------+------+------------------+-------------------------+---------------+10 rows in set (0.00 sec)
查看后端mysql server的PING情况
admin@127.0.0.1 [(none)]>SELECT * FROM monitor.mysql_server_ping_log ORDER BY time_start_us DESC LIMIT 10; +----------+------+------------------+----------------------+------------+| hostname | port | time_start_us | ping_success_time_us | ping_error |+----------+------+------------------+----------------------+------------+| db211 | 3507 | 1535188751756034 | 231 | NULL || db212 | 3507 | 1535188751635806 | 179 | NULL || db210 | 3507 | 1535188751517985 | 209 | NULL || db211 | 3507 | 1535188741749812 | 191 | NULL || db212 | 3507 | 1535188741632588 | 156 | NULL || db210 | 3507 | 1535188741515156 | 71 | NULL || db211 | 3507 | 1535188731716039 | 191 | NULL || db210 | 3507 | 1535188731615626 | 81 | NULL || db212 | 3507 | 1535188731515197 | 265 | NULL || db211 | 3507 | 1535188721661829 | 203 | NULL |+----------+------+------------------+----------------------+------------+10 rows in set (0.00 sec)
查看执行的命令统计情况
admin@127.0.0.1 [(none)]>SELECT Command,Total_Time_us,Total_cnt,cnt_100us,cnt_1ms,cnt_INFs FROM stats_mysql_commands_counters WHERE Total_cnt; +---------+---------------+-----------+-----------+---------+----------+| Command | Total_Time_us | Total_cnt | cnt_100us | cnt_1ms | cnt_INFs | +---------+---------------+-----------+-----------+---------+----------+ | BEGIN | 22310507194 | 1585457 | 51 | 129945 | 2113 || COMMIT | 1060260349 | 826562 | 4233 | 7349 | 0 | | DELETE | 22825509825 | 1057796 | 8455 | 227783 | 52 || INSERT | 179673106152 | 20885757 | 8469 | 129291 | 0 | | SELECT | 8888256088 | 22149881 | 56184 | 3228537 | 1 || UPDATE | 134309337044 | 3174979 | 16886 | 547909 | 320 | | SHOW | 6485 | 5 | 0 | 1 | 0 |+---------+---------------+-----------+-----------+---------+----------+7 rows in set (0.00 sec)
查看执行过的SQL语句统计情况
admin@127.0.0.1 [(none)]>SELECT hostgroup,schemaname,digest,digest_text,count_star,sum_time FROM stats_mysql_query_digest ORDER BY sum_time DESC; +-----------+--------------------+--------------------+--------------------------------------------------------------------+------------+-------------+| hostgroup | schemaname | digest | digest_text | count_star | sum_time | +-----------+--------------------+--------------------+--------------------------------------------------------------------+------------+-------------+ | 10 | sysbench_testdata | 0xD284EA74C062DAA9 | INSERT INTO sbtest2 (id, k, c, pad) VALUES (?, ?, ?, ?) | 10442025 | 89906803469 || 10 | sysbench_testdata | 0xE52A0A0210634DAC | INSERT INTO sbtest1 (id, k, c, pad) VALUES (?, ?, ?, ?) | 10443732 | 89766302683 | | 10 | sysbench_testdata | 0x16ADA60275E5EFAA | UPDATE sbtest2 SET k=k+? WHERE id=? | 794387 | 46930347033 || 10 | sysbench_testdata | 0xC198E52BCCB481C7 | UPDATE sbtest1 SET k=k+? WHERE id=? | 793183 | 46790103859 | | 10 | sysbench_testdata | 0xFAD1519E4760CBDE | BEGIN | 1587889 | 46631879754 || 10 | sysbench_testdata | 0xFB239BC95A23CA36 | UPDATE sbtest1 SET c=? WHERE id=? | 794260 | 20383945734 | | 10 | sysbench_testdata | 0xC2E5FCE49337737D | UPDATE sbtest2 SET c=? WHERE id=? | 793149 | 20204940418 || 10 | sysbench_testdata | 0x713A0DB06FCE81E2 | DELETE FROM sbtest2 WHERE id=? | 528677 | 11583020333 | | 10 | sysbench_testdata | 0xE365BEB555319B9E | DELETE FROM sbtest1 WHERE id=? | 529119 | 11242489492 || 11 | sysbench_testdata | 0x9AF59B998A3688ED | SELECT c FROM sbtest2 WHERE id=? | 7907798 | 2336353929 | | 11 | sysbench_testdata | 0xBF001A0C13781C1D | SELECT c FROM sbtest1 WHERE id=? | 7891798 | 2334872578 || 10 | sysbench_testdata | 0x695FBF255DBEB0DD | COMMIT | 826562 | 1060260349 | | 11 | sysbench_testdata | 0x4AC6CC3E8E66E2A5 | SELECT DISTINCT c FROM sbtest2 WHERE id BETWEEN ? AND ? ORDER BY c | 794166 | 952405491 || 11 | sysbench_testdata | 0xC19480748AE79B4B | SELECT DISTINCT c FROM sbtest1 WHERE id BETWEEN ? AND ? ORDER BY c | 793404 | 948846057 | | 11 | sysbench_testdata | 0xAC80A5EA0101522E | SELECT c FROM sbtest1 WHERE id BETWEEN ? AND ? ORDER BY c | 795040 | 478417319 || 11 | sysbench_testdata | 0x2BD5CA9A9C3B517D | SELECT c FROM sbtest2 WHERE id BETWEEN ? AND ? ORDER BY c | 792530 | 475211391 | | 11 | sysbench_testdata | 0x381AAD21F4326865 | SELECT c FROM sbtest2 WHERE id BETWEEN ? AND ? | 794962 | 361663394 || 11 | sysbench_testdata | 0x290B92FD743826DA | SELECT c FROM sbtest1 WHERE id BETWEEN ? AND ? | 792608 | 361139683 | | 11 | sysbench_testdata | 0xDBF868B2AA296BC5 | SELECT SUM(k) FROM sbtest1 WHERE id BETWEEN ? AND ? | 793851 | 315185628 || 11 | sysbench_testdata | 0x106724E15CC958CA | SELECT SUM(k) FROM sbtest2 WHERE id BETWEEN ? AND ? | 793719 | 314158192 | | 11 | information_schema | 0x26CC5CB63FE90834 | select * from wenyz.t2 | 2 | 10001358 || 10 | information_schema | 0x02033E45904D3DF0 | show databases | 5 | 6485 | | 11 | information_schema | 0x1CA8F88B407B7239 | select * from t2 | 1 | 1068 || 10 | information_schema | 0x226CD90D52A2BA0B | select @@version_comment limit ? | 1 | 0 | | 10 | information_schema | 0x594F2C744B698066 | select USER() | 1 | 0 |+-----------+--------------------+--------------------+--------------------------------------------------------------------+------------+-------------+25 rows in set (0.00 sec)
