Re: [COMMITTERS] pgsql: Improve tests for postmaster death in auxiliary processes.

2012-05-10 Thread Peter Geoghegan
On 10 May 2012 05:55, Tom Lane t...@sss.pgh.pa.us wrote: In checkpointer and walwriter, avoid calling PostmasterIsAlive unless WaitLatch has reported WL_POSTMASTER_DEATH.  This saves a kernel call per iteration of the process's outer loop, which is not all that much, but a cycle shaved is a

Re: [COMMITTERS] pgsql: Improve tests for postmaster death in auxiliary processes.

2012-05-10 Thread Tom Lane
Peter Geoghegan pe...@2ndquadrant.com writes: On 10 May 2012 05:55, Tom Lane t...@sss.pgh.pa.us wrote: I had already removed the unconditional PostmasterIsAlive calls in bgwriter and pgstat in previous patches, but forgot that WL_POSTMASTER_DEATH is supposed to be treated as untrustworthy