On Fri, 2007-01-05 at 11:01 +0100, Zeugswetter Andreas ADI SD wrote: > > > What's the use-case for changing the variable on the fly anyway? Seems a > better > > > solution is just to lock down the setting at postmaster start. > > I guess that the use case is more for a WAL based replicate, that > has/wants a different setting. Maybe we want a WAL entry for the change, > or force a log switch (so you can interrupt the replicate, change it's > setting > and proceed with the next log) ? > > Maybe a 3rd mode for replicates that ignores 0 CRC's ?
Well, wal_checksum allows you to have this turned ON for the main server and OFF on a Warm Standby. The recovery process doesn't check for postgresql.conf reloads, so setting it at server start is effectively the same thing in that case. -- Simon Riggs EnterpriseDB http://www.enterprisedb.com ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly