| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [COMMITTERS] pgsql: Reset 'ps' display just once when resolving VXID conflicts. |
| Date: | 2010-12-17 16:13:51 |
| Message-ID: | AANLkTinV+-UX1u6GYrSa3-gxDMUmP4fHdQsKFD9eRpo2@mail.gmail.com |
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| Lists: | pgsql-committers pgsql-hackers |
On Fri, Dec 17, 2010 at 9:52 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> 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?
Something like the attached?
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
| Attachment | Content-Type | Size |
|---|---|---|
| resolve-recovery-conflict-tweak.patch | application/octet-stream | 1.1 KB |
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