Re: pgsql 10: hash indexes testing

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
Cc: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, AP <ap(at)zip(dot)com(dot)au>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pgsql 10: hash indexes testing
Date: 2017-08-04 17:29:28
Message-ID: CA+TgmoY88nD0iU_BbgcXXGPyiQ2ci9tBJrghiMut4sukkZxCSw@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On Fri, Aug 4, 2017 at 6:22 AM, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
> I have increased the number of hash bitmap pages as a separate patch.
> I am not completely sure if it is a good idea to directly increase it
> to 1024 as that will increase the size of hashmetapagedata from 960
> bytes to 4544 bytes. Shall we increase it to 512?

I don't quite see what the problem is with increasing it to 4544
bytes. What's your concern?

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Robert Haas 2017-08-04 17:45:03 Re: pgsql 10: hash indexes testing
Previous Message Robert Haas 2017-08-04 17:25:55 Re: expanding inheritance in partition bound order