Re: [COMMITTERS] pgsql: Reset 'ps' display just once when resolving VXID conflicts. - Mailing list pgsql-hackers

From Robert Haas
Subject Re: [COMMITTERS] pgsql: Reset 'ps' display just once when resolving VXID conflicts.
Date
Msg-id AANLkTinV+-UX1u6GYrSa3-gxDMUmP4fHdQsKFD9eRpo2@mail.gmail.com
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Responses Re: [COMMITTERS] pgsql: Reset 'ps' display just once when resolving VXID conflicts.  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
On Fri, Dec 17, 2010 at 9:52 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Robert Haas <rhaas@postgresql.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?

Something like the attached?

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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