Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1aEHts-00052G-1S for pgsql-hackers@arkaria.postgresql.org; Wed, 30 Dec 2015 14:38:52 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.84) (envelope-from ) id 1aEHtr-00048C-9K for pgsql-hackers@arkaria.postgresql.org; Wed, 30 Dec 2015 14:38:51 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84) (envelope-from ) id 1aEHsW-0002de-Vs for pgsql-hackers@postgresql.org; Wed, 30 Dec 2015 14:37:29 +0000 Received: from out.smtp-auth.no-ip.com ([8.23.224.60]) by magus.postgresql.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.84) (envelope-from ) id 1aEHsS-0005Ub-Fm for pgsql-hackers@postgresql.org; Wed, 30 Dec 2015 14:37:28 +0000 X-No-IP: alvh.no-ip.org@noip-smtp X-Report-Spam-To: abuse@no-ip.com Received: from alvin.alvh.no-ip.org (unknown [200.104.53.52]) (Authenticated sender: alvh.no-ip.org@noip-smtp) by smtp-auth.no-ip.com (Postfix) with ESMTPA id 263A3400D3C; Wed, 30 Dec 2015 06:37:21 -0800 (PST) Received: by alvin.alvh.no-ip.org (Postfix, from userid 1000) id 5FC451D48; Wed, 30 Dec 2015 11:37:19 -0300 (CLT) Date: Wed, 30 Dec 2015 11:37:19 -0300 From: Alvaro Herrera To: Aleksander Alekseev Cc: Robert Haas , Teodor Sigaev , Andres Freund , "pgsql-hackers@postgresql.org" Subject: Re: Patch: fix lock contention for HASHHDR.mutex Message-ID: <20151230143719.GX58441@alvherre.pgsql> References: <20151217151418.GB2224@awork2.anarazel.de> <20151217190342.07e4533a@fujitsu> <56740E41.4010708@sigaev.ru> <20151222183953.771cb58b@fujitsu> <20151228120112.6a847dfd@fujitsu> <20151229184851.1bb7d1bd@fujitsu> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20151229184851.1bb7d1bd@fujitsu> User-Agent: Mutt/1.5.23 (2014-03-12) X-Pg-Spam-Score: -2.6 (--) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-hackers Precedence: bulk Sender: pgsql-hackers-owner@postgresql.org 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 -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers