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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Simon Riggs <simon@2ndquadrant.com>
Cc: Andres Freund <andres@anarazel.de>
Cc: Tomas Vondra <tv@fuzzy.cz>
Cc: pgsql-committers <pgsql-committers@postgresql.org>
Subject: Re: pgsql: Generational memory allocator
Date: Sun, 26 Nov 2017 17:06:11 -0500
Message-ID: <11036.1511733971@sss.pgh.pa.us> (raw)
In-Reply-To: <CANP8+jJTVM+mVTwgKXh5T-v3oV3RsXZ5Nu-5S+UF5b+pqSARpA@mail.gmail.com>
References: <E1eHa4J-0006hI-Q8@gemulon.postgresql.org>
	<20171123001649.y2nf7422iay6cw3v@alap3.anarazel.de>
	<CANP8+jKoT=Pg5W_3FcKiDf+FMrJhFYacxt_g5E0=tkmb5s8M6g@mail.gmail.com>
	<c903f275-2150-fa52-64bf-dca7b53ebf8d@fuzzy.cz>
	<16449.1511548313@sss.pgh.pa.us>
	<4618.1511573138@sss.pgh.pa.us>
	<bf84d940-90d4-de91-19dd-612e011007f4@fuzzy.cz>
	<6189.1511587105@sss.pgh.pa.us>
	<8991.1511639441@sss.pgh.pa.us>
	<20171125200014.qbewtip5oydqsklt@alap3.anarazel.de>
	<21466.1511644760@sss.pgh.pa.us>
	<2875.1511646362@sss.pgh.pa.us>
	<CANP8+jKRt0Yenw8Ln4J4u=UsDVkCBgPmjDE2buYou-H9VTMZjw@mail.gmail.com>
	<16797.1511718406@sss.pgh.pa.us>
	<CANP8+jKCX0sTqR8ZexTMxr03Eu3wsuwV2qit0EB0TVorMeSXBg@mail.gmail.com>
	<28144.1511722417@sss.pgh.pa.us>
	<CANP8+jLbnDbd4ShH5B27Y0fRxDn3i=Zij3pNfp6u4LSSg66zDA@mail.gmail.com>
	<31081.1511725374@sss.pgh.pa.us>
	<CANP8+jJTVM+mVTwgKXh5T-v3oV3RsXZ5Nu-5S+UF5b+pqSARpA@mail.gmail.com>

Simon Riggs <simon@2ndquadrant.com> writes:
> On 27 November 2017 at 06:42, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Sold, will make it so.

> So you will like this next patch also, since there is related code
> above that stanza.

Looks reasonable to me, but I wonder whether BLCKSZ is a good initial
setting.  Since the data length is only uint16, we're apparently assuming
that the contents must be small.

			regards, tom lane




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