Re: big select is resulting in a large amount of disk writing by kjournald

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

 



Joseph S wrote:
So I run "select count(*) from large_table" and I see in xosview a solid block of write activity. Runtime is 28125.644 ms for the first run. The second run does not show a block of write activity and takes 3327.441 ms
http://wiki.postgresql.org/wiki/Hint_Bits

--
Greg Smith    2ndQuadrant   Baltimore, MD
PostgreSQL Training, Services and Support
greg@xxxxxxxxxxxxxxx  www.2ndQuadrant.com


--
Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-performance

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

  Powered by Linux