Streaming data from live server and we see these messages on the hot
standby server.
2017-09-06 14:42:09 BST 11548 WARNING: page 30558 of relation
base/2497261/2504373 is uninitialized
2017-09-06 14:42:09 BST 11548 CONTEXT: xlog redo at 44/5E0B7CA8 for
Heap2/VISIBLE: cutoff xid 29182314 flags 1
2017-09-06 14:42:09 BST 11548 PANIC: WAL contains references to
invalid pages
2017-09-06 14:42:09 BST 11548 CONTEXT: xlog redo at 44/5E0B7CA8 for
Heap2/VISIBLE: cutoff xid 29182314 flags 1
2017-09-06 14:42:09 BST 11545 LOG: startup process (PID 11548) was
terminated by signal 6: Aborted
2017-09-06 14:42:09 BST 11545 LOG: terminating any other active
server processes
Have to resync the files on the hot standby, restart the standby and
streaming continues but then stops again a few days later.
No obvious data corruptions as pg_dump generates backups on the effected
databases and users are accessing the live server without issue.
I think it is a timing issue in the generation of the WAL's as if we run
a vacuum/analyse/pg_dump on the live server against the effected tables
no errors/issues are reported in the log.
Any help gratefully received.
Adrian Heath
*TrackTrans Limited*
