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Re: pgsql: Reset 'ps' display just once when resolving VXID conflicts.

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: pgsql-committers(at)postgresql(dot)org
Subject: Re: pgsql: Reset 'ps' display just once when resolving VXID conflicts.
Date: 2010-12-17 14:52:04
Message-ID: 29167.1292597524@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-committerspgsql-hackers
Robert Haas <rhaas(at)postgresql(dot)org> writes:
> Reset 'ps' display just once when resolving VXID conflicts.
> This prevents the word "waiting" from briefly disappearing from the ps
> status line when ResolveRecoveryConflictWithVirtualXIDs begins a new
> iteration of the outer loop.

I imagine the reason for the original coding was to avoid a useless
gettimeofday kernel call in the common case that there are no
conflicting xacts to wait for.  Could we restore that behavior?

			regards, tom lane

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