![]() ![]() Source of PostgreSQL has a program src/tools/fsync/test_fsync.c, which tests speed of syncing data with disk. If it shows "*" before "Write cache" then this could be the case. Prevents the OS from making sure data is written before it reports successful write to application. ![]() Your database can be in an inconsistent state after this though, so dump it with pg_dumpall, recreate and import back. What possibly could be the reason for this sort of behavior and of course what is the way out? There is no postmaster.pid file in the data directory. LOG: aborting startup due to startup process failure LOG: startup process (PID 5465) exited with exit code 1 LOG: could not fsync segment 0 of relation 1663/1707047/1707304: No such file or directoryįATAL: storage sync failed on magnetic disk: No such file or directory LOG: record with zero length at 2/8FFD94A8 LOG: database system was not properly shut down automatic recovery in progress LOG: next MultiXactId: 2 next MultiXactOffset: 3 LOG: redo record is at 2/8FD6F8D0 undo record is at 0/0 shutdown FALSE $:/usr/local/pgsql/data$ LOG: database system shutdown was interrupted at 21:06:16 $ pg_ctl -D /usr/local/pgsql/data restart pg_ctl: PID file "/usr/local/pgsql/data/postmaster.pid" does not exist After rebooting, I tried to restart Postgres and I get this error: Latest_end_time | 01-JUN-21 09:54:24.322036 +03:00Ĭonninfo | user=enterprisedb password=******** dbname=replication host=10.20.30.Due to a sudden power outage, the Postgres server running on my local machine shut down abruptly. Postgres=# select * from pg_stat_wal_receiver Otherwise you can continue with the same ~]$ cat /pgdata/data/nf | grep 'port'ħ.Restart the pg services in standby server. Just like primary, if you want to change the listening port from 5444 to 5432 in standby( just like primary) also, then update the nf file in standby server also. Primary_conninfo = 'user=enterprisedb password=edbpostgres#123 host=10.20.30.76 port=5432 sslmode=prefer sslcompression=0 krbsrvname=postgres target_session_attrs=any' nf file resides inside data cat /pgdata/data/nf So we need to update the nf file in that standby server. It shows replication is enabled to server 10.20.30.77(standby server). Check for any streaming replication ( run On primary server) Now If any streaming replication is enabled, then we need to update the primary server port in nf file of standby server. We can see, the port has been updated to 5432. Check whether port has been ~]$psql -d postgres -p 5432 restart postgres services: pg_ctl stop -D /pgdata/dataĪlternatively you can restart the service, if configured.Ĥ. ![]() change the port from 5444 to ~]$ cat /pgdata/data/nf | grep 'port'ģ. (1 ~]$ cat /pgdata/data/nf | grep 'port'Ģ. You are connected to database "postgres" as user "enterprisedb" via socket in "/tmp" at port "5444". Short_desc | Sets the TCP port the server listens on. +-Ĭategory | Connections and Authentication / Connection Settings Postgres=# select * from pg_settings where name='port' We will change the port from 5444 to 5432. This article explains how to change the port number in postgres. ![]()
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