On Tue, Dec 12, 2017 at 9:00 AM, Amit Kapila <amit.kapil...@gmail.com> wrote: > On Mon, Dec 11, 2017 at 11:27 PM, Robert Haas <robertmh...@gmail.com> wrote: >> On Sun, Dec 10, 2017 at 11:07 PM, Amit Kapila <amit.kapil...@gmail.com> >> wrote: >>> Okay, see the attached and let me know if that suffices the need? >> >> + * Check for unexpected worker death. This will ensure that if >> + * the postmaster failed to start the worker, then we don't wait >> + * for it indefinitely. For workers that are known to be >> + * launched, we can rely on their error queue being freed once >> + * they exit. >> >> Hmm. Is this really true? What if the worker starts up but then >> crashes before attaching to the error queue? >> > > If the worker errored out before attaching to the error queue, then we > can't rely on error queue being freed. However, in that case, the > worker status will be BGWH_STOPPED. I have adjusted the comment > accordingly. >
In particular, if the worker crashed (say somebody forcefully killed the worker), then I think it will lead to a restart of the server. So not sure, adding anything about that in the comment will make much sense. -- With Regards, Amit Kapila. EnterpriseDB: http://www.enterprisedb.com