select * from pg_stat_user_tables where n_live_tup > 100000 and seq_scan > 0 order by seq_tup_read desc limit 10; 9、查询读取buffer最多的5个SQL select * from pg_stat_statements order by shared_blks_hit+shared_blks_read desc limit 5; 10、获取数据库当前的回滚事务数以及死锁数 select...
postgres@[local:/tmp]:2004=#34126 show wal_log_hints ; wal_log_hints--- on (1 row) postgres@[local:/tmp]:2004=#34126 select context from pg_settings where name = 'wal_log_hints'; context--- postmaster (1 row) postgres@[local:/tmp]:2004=#34126 alter system set wal_log_hints=...
and pid<>pg_backend_pid() and query ilike'select%'order by query_start ; 2. 超过10s的查询会被干掉 selectpg_terminate_backend(pid) From pg_stat_activitywherequery_start<=now()- interval'10 sec'and state notin('idle') and pid<>pg_backend_pid() and query ilike'select%'order by query...
pg阻塞 + pg_top -- select * from pg_stat_activity where pid= pid; = postgresql 运维常用脚本 杀掉进程 - kill 1.查下超过10 s的查询语句 select * From pg_stat_activity where query_start<=now()- interval'10 sec' and state not in ('idle') and pid<>pg_backend_pid() and query ilik...
Connected to databasedepeszwith usertestand got: $SELECT*FROMpg_stat_activity ; datid │ datname │ pid │ leader_pid │ usesysid │ usename │ application_name │ client_addr │ client_hostname │ client_port │ backend_start │ xact_start │ query_start │ state_change │ wait_event...
使用PostgreSQL 9.5时,我希望跟踪写入字节总数(自从DB集群启动以来)到: 沃尔 临时文件 临时表 1.: select pg_size_pretty(archived_count * 16*1024*1024) temp_bytes, (now() - stats_reset)::text uptime from pg_stat_archiver; 2.: select (now() - stats_reset)::text uptime, pg_size_pretty(te...
postgres=#selectt.relname, l.locktype,page,pid,virtualtransaction,mode,grantedfrompg_locks l, pg_stat_all_tables twherel.relation=t.relidorderbyrelationasc; relname|locktype|page|pid|virtualtransaction|mode|granted---+---+---+---+---+---+---pg_class|relation||9940|2/715754|AccessShar...
pg_monitor (Pg 10+) This role belong to three other roles:pg_read_all_settings,pg_read_all_stats, andpg_stat_scan_tables, as it is pretty common to need all these privileges to some monitoring user. For details what can be done, check description of the three roles above. ...
$select->where(array(array('field'=>'TABLE_SCHEMA','value'=>$this->params['name'])));return$this->tables = $select->execute('\\apf\\db\\mysql5\\Table', $smart =FALSE); } 开发者ID:pthreat,项目名称:apf-dev,代码行数:9,代码来源:Adapter.class.php ...
CREATE PROCEDURE GET_TABLE_DATA AS BEGIN SELECT * FROM TABLE; END 在创建存储过程后,您可以使用以下命令来执行存储过程: 代码语言:txt 复制 EXECUTE PROCEDURE GET_TABLE_DATA; 这将返回“TABLE”表中的所有数据。 需要注意的是,在使用Firebird数据库时,您需要注意数据库的安全性和性能。为了确保数据的安全...