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Re: [PERFORM] Slow query: bitmap scan troubles

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Simon Riggs <simon@2ndQuadrant.com>
Cc: Jeff Janes <jeff.janes@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2013-01-06T23:17:23Z
Lists: pgsql-hackers, pgsql-performance

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I wrote:
> [ slightly bogus graph ]

Ooops, it seems the ^ operator doesn't do what I thought in gnuplot.
Here's a corrected version.

			regards, tom lane

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Tweak genericcostestimate's fudge factor for index size.

  2. Tweak index costing for problems with partial indexes.