Date: Sun, 24 Mar 2013 20:55:45 +0100 From: Daniel Bilik <daniel.bilik@neosystem.cz> To: Adam Vande More <amvandemore@gmail.com> Cc: freebsd-performance@freebsd.org Subject: Re: FreeBSD 9.1 vs CentOS 6.3 Message-ID: <20130324205545.b357801d4b13fdb8024a9423@neosystem.cz> In-Reply-To: <CA%2BtpaK2JK3xhEc_RrOCAdEB1vvapEHE=VqvY5=kSM-Bkhy07PA@mail.gmail.com> References: <514C1E5F.8040504@contactlab.com> <20130323213406.93cc3baddf69d5d71f10365e@neosystem.cz> <CA%2BtpaK2JK3xhEc_RrOCAdEB1vvapEHE=VqvY5=kSM-Bkhy07PA@mail.gmail.com>
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On Sun, 24 Mar 2013 11:01:05 -0500 Adam Vande More <amvandemore@gmail.com> wrote: > These are interesting results. Did you try tuning any of the jemalloc > options in /etc/malloc.conf? No tuning, jemalloc was tested "out of the box" just for curiosity. > I think increasing the number of arenas may help the contention, eg "ln > -s 3N /etc/malloc.conf" Luckily the test system is still running, so I could just apply suggested tuning, restart mysqld with jemalloc and launch benchmark sets. Results for read-only transactions are practically identical to previous ones. Read-write transactions test is still running but from numbers for 1 to 16 threads I can tell there is some (very) small improvement and the results are more stable. -- Daniel Bilik neosystem.cz
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