Magnus Hagander wrote: > > Now thinking about it, the guy had corrupt table, not WAL log. > > How is WAL->tables synched? Does the 'wal_sync_method' > > affect it or not? > > I *think* it always fsyncs() there as it is now, but I'm not 100% sure.
wal_sync_method is also used to flush pages during a checkpoint, so it could lead to table corruption too, not just WAL corruption. However, on Unix, 99% of corruption is caused by bad disk or RAM. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
