wait_event将识别特定的等待点。 IPC: 服务器进程正在等待来自服务器中另一个进程的一些活动。 wait_event将识别特定的等点。 Timeout: 服务器进程正在等待超时过期。 wait_event将识别特定的等待点。 IO: 服务器进程正在等待IO完成。 wait_event将识别特定的等待点。 backend_type: 当前后端的类型。 可能的类型...
Client:服务器进程正在等待来自用户应用程序的套接字上的某些活动,并且服务器期望发生一些独立于其内部进程的事情。wait_event将确定具体的等待点。 IPC:服务器进程正在等待服务器中另一个进程的某些活动。wait_event将确定具体的等待点。 Timeout:服务器进程正在等待超时到期。wait_event将确定具体的等待点。 IO:服务...
(pid),wait_event_type,wait_event,substring(query,1,100) from pg_stat_activity; pid | pg_blocking_pids | wait_event_type | wait_event | substring ---+---+---+---+--- 45505 | {} | LWLock | WALWriteLock | ALTER TABLE "public"."test" ...
Wait Events of Type IPCIPC Wait EventDescription AppendReady Waiting for subplan nodes of an Append plan node to be ready. ArchiveCleanupCommand Waiting for archive_cleanup_command to complete. ArchiveCommand Waiting for archive_command to complete. BackendTermination Waiting for...
state_change | wait_event_type | wait_event | state | backend_xid | backend_xmin | que ry_id | query | backend_type 24601 | azure_sys | 480 | | 10 | azuresu | | | | | 2024-07-23 13:29:54.360536+00 | | | | IPC | BgWorkerStartup | | | | | | ▒\x14▒...
> > I intentionally didn't provide a default event ID for InjectionPoint. > > PG_WAIT_EXTENSION needs a default case for backward compatibility, if > > nothing > > else. For this second custom type, it's needless complexity. The value ...
= classId) + ereport(ERROR, + (errcode(ERRCODE_DUPLICATE_OBJECT), + errmsg("wait event \"%s\" already exists in type \"%s\"", + wait_event_name, + pgstat_get_wait_event_type(entry_by_name->wait_event_info))); + return entry_by_name->wait_event_info; + } /* * Allocate an...
9.IPC Object Removal # vi /etc/systemd/logind.conf RemoveIPC=no # systemctl restart systemd-logind 1. 2. 3. 10.ssh选项 vi /etc/ssh/ssh_config append MaxStartups 10:30:200 MaxSessions 200 systemctl restart sshd 1. 2. 3. 4.
2 changes: 1 addition & 1 deletion 2 src/backend/storage/ipc/latch.c Original file line numberDiff line numberDiff line change @@ -151,7 +151,7 @@ struct WaitEventSet #endif }; /* A common WaitEventSet used to implement WatchLatch() */ /* A common WaitEventSet used to ...
6、引起epoch_wait的PG调用WaitEventSetWait src/backend/storage/ipc/latch.c /* * Wait for events added to the set to happen, or until the timeout is * reached. At most nevents occurred events are returned. * * If timeout = -1, block until an event occurs; if 0, check sockets for...