| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Peter Geoghegan <peter(at)2ndquadrant(dot)com>, PG Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Reduced power consumption in autovacuum launcher process |
| Date: | 2011-07-18 19:12:20 |
| Message-ID: | 3942.1311016340@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> writes:
> On 18.07.2011 18:32, Tom Lane wrote:
>> Hmm. Well, it's not too late to rethink the WaitLatch API, if we think
>> that that might be a significant limitation.
> Right, we can easily change the timeout argument to be in milliseconds
> instead of microseconds.
On the whole I'd be more worried about giving up the shorter waits than
the longer ones --- it's not too hard to imagine using submillisecond
timeouts in the future, as machines get faster. If we really wanted to
fix this, I think we need to move to a wider datatype.
regards, tom lane
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