SELECT pg_blocking_pids ( pid ), pid, now( ) - xact_start, wait_event, wait_event_type, substr( query, 1, 100 ) FROM pg_stat_activity WHERE STATE <> 'idle' ORDER BY 3 DESC; 通过查询结果,可以知道,有一条alter 修改这个表的名字的ddl语句 一直卡在那里,导致后面的select都是卡住的 经过...
select*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_start ; 2. 超过10s的查询会被干掉 selectpg_terminate_backend(pid) From pg_stat_activitywherequery_start<=now()- interval'10 s...
4.3 通过PID确认正在执行的SQL select xact_start, query_start, backend_start, state_change, state from pg_stat_activity where pid in (70334); 4.4 行琐问题解决 通过KILL会话即可解决行琐问题 select pg_terminate_backend(67712); 随后观察到会话2中的update执行成功 五、结论 pgrowlocks是一个强大的工具...
order by query_start ; 1. 2. 3. 4. 5. 6. 2. 超过10s的查询会被干掉 select pg_terminate_backend(pid) From pg_stat_activity where query_start<=now()- interval'10 sec' and state not in ('idle') and pid<>pg_backend_pid() and query ilike 'select%' order by query_start ; 1. ...
When I am running a query CREATE TABLE tbl AS (SELECT (row_number() over())::integer "id", "col" FROM tbl2) Code is getting stuck (cursor.execute never returns), killing the transaction with pg_terminate_backend removes the query from the server, but the code is not released. Yet...
There is one limit, though. If you're not superuser, even withpg_signal_backend, you can't cancel/terminate backends that belong to superusers: $SELECTpg_cancel_backend(777058); ERROR: must be a superuserTOcancel superuser query
alternative query for in clause Alternative to Full Outer Join Alternative to Row_Number Query Alternative way STUFF for XML PATH ('') ? Am getting an error when i run this code Ambiguous Column Name An aggregate may not appear in the set list of an UPDATE statement... An error occurred...
> > +1, we should call it "dumb" :) > > Not accepting new connections with "the database system is shutting > down" makes it even worse -- it means you can't log in to the server > to inspect who's querying it or call pg_terminate_backend() on them. > > I couldn't ...
@ 0x63fa2f5 starrocks::FullTextCLuceneInvertedReader::query() @ 0x63f5990 starrocks::InvertedIndexIterator::read_from_inverted_index() @ 0x63a41e0 starrocks::ColumnExprPredicate::seek_inverted_index() @ 0x5c5d27b starrocks::SegmentIterator::_apply_inverted_index() ...
(postgres)杀连接; --杀掉所有空闲连接 select pg_terminate_backend...:mi:ss') "巡检时间" ,current_database() ,sum(obj_num) "obj_num(对象数)" from ( select count(1)...||relname||'"')) as "table_size(表大小)" ,n_dead_tup as "n_dead_tup(无效记录数)" ,n_live_tup as ...