Re: why is bitmap index chosen for this query?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



You may be comparing the values to Tom's suggestion to bump up work_mem.  Take a look at the original posting (Total runtime: 777208.041 ms for the bitmap scan)
 
-Steve

"Steinar H. Gunderson" <sgunderson@xxxxxxxxxxx> wrote:
On Thu, May 18, 2006 at 12:53:16PM -0700, Stephen Byers wrote:
> Yes, here are the runtimes for the repeated query.
> Total runtime: 748716.750 ms
> Total runtime: 749170.934 ms
> Total runtime: 744113.594 ms
> Total runtime: 746314.251 ms
> Total runtime: 742083.732 ms

With which options enabled? This isn't even close to any of the three times
you already posted.

/* Steinar */
--
Homepage: http://www.sesse.net/

---------------------------(end of broadcast)---------------------------
TIP 1: if posting/reading through Usenet, please send an appropriate
subscribe-nomail command to majordomo@xxxxxxxxxxxxxx so that your
message can get through to the mailing list cleanly


Yahoo! Messenger with Voice. Make PC-to-Phone Calls to the US (and 30+ countries) for 2¢/min or less.

[Postgresql General]     [Postgresql PHP]     [PHP Users]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Yosemite]

  Powered by Linux