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From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Aleksander Alekseev <a.alekseev@postgrespro.ru>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: Teodor Sigaev <teodor@sigaev.ru>
Cc: Andres Freund <andres@anarazel.de>
Cc: pgsql-hackers@postgresql.org <pgsql-hackers@postgresql.org>
Subject: Re: Patch: fix lock contention for HASHHDR.mutex
Date: Wed, 30 Dec 2015 11:37:19 -0300
Message-ID: <20151230143719.GX58441@alvherre.pgsql> (raw)
In-Reply-To: <20151229184851.1bb7d1bd@fujitsu>
References: <CA+TgmoavsNuBNQf6ROn020F6g9gXJjtMrSkSFZ=RL1t2eJHQ5Q@mail.gmail.com>
	<20151217151418.GB2224@awork2.anarazel.de>
	<20151217190342.07e4533a@fujitsu>
	<CA+Tgmob1-7=Bh21LyLXk7Yst1nzcA1P=rv0UKq1zH+A9PVehrg@mail.gmail.com>
	<56740E41.4010708@sigaev.ru>
	<CA+Tgmobp1Dsk5M0UDjm91kCtt+LLJ+tTzs0nucw4Vw2ZfQx29w@mail.gmail.com>
	<20151222183953.771cb58b@fujitsu>
	<CA+TgmoZC6RsDt09LsYvSgmZFjy-Jwc6rD4GiySY3d4QTh8c3ow@mail.gmail.com>
	<20151228120112.6a847dfd@fujitsu>
	<20151229184851.1bb7d1bd@fujitsu>
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Aleksander Alekseev wrote:

> Here is a funny thing - benchmark results I shared 22.12.2015 are wrong
> because I forgot to run `make clean` after changing lwlock.h (autotools
> doesn't rebuild project properly after changing .h files).

Running configure with --enable-depend should avoid this problem.

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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  Cc: alvherre@2ndquadrant.com, a.alekseev@postgrespro.ru, robertmhaas@gmail.com, teodor@sigaev.ru, andres@anarazel.de
  Subject: Re: Patch: fix lock contention for HASHHDR.mutex
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