Re: Patch: fix lock contention for HASHHDR.mutex

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Aleksander Alekseev <a(dot)alekseev(at)postgrespro(dot)ru>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Teodor Sigaev <teodor(at)sigaev(dot)ru>, Andres Freund <andres(at)anarazel(dot)de>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Patch: fix lock contention for HASHHDR.mutex
Date: 2015-12-30 14:37:19
Message-ID: 20151230143719.GX58441@alvherre.pgsql
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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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