| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Mark Cave-Ayland <m(dot)cave-ayland(at)webbased(dot)co(dot)uk>, "'Manfred Koizar'" <mkoi-pg(at)aon(dot)at>, "'Greg Stark'" <gsstark(at)mit(dot)edu>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Cost of XLogInsert CRC calculations |
| Date: | 2005-05-27 20:37:59 |
| Message-ID: | 200505272037.j4RKbxq04977@candle.pha.pa.us |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Tom Lane wrote:
> Alternatively, we might say that 64-bit CRC was overkill from day one,
> and we'd rather get the additional 10% or 20% or so speedup. I'm kinda
> leaning in that direction, but only weakly.
Yes, I lean in that direction too since the CRC calculation is showing
up in our profiling.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Bruce Momjian | 2005-05-27 21:25:50 | Re: [HACKERS] Fix PID file location? |
| Previous Message | Josh Berkus | 2005-05-27 18:34:31 | OSCON field trip, Friday afternoon |