Date: Sat, 20 Sep 2008 13:53:08 +0400 From: Michael Monashev <softsearch@gmail.com> To: freebsd-fs@FreeBSD.org Cc: Pawel Jakub Dawidek <pjd@FreeBSD.org> Subject: Re: gmirror performance patch Message-ID: <1441440775.20080920135308@gmail.com> In-Reply-To: <946072909.20080917204322@gmail.com> References: <946072909.20080917204322@gmail.com>
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Hi. MM> Patch for improve gmirror performance: MM> http://www.freebsd.org/cgi/query-pr.cgi?pr=113885 before: >gstat -I5s dT: 5.384s w: 5.000s L(q) ops/s r/s kBps ms/r w/s kBps ms/w %busy Name 12 118 117 1372 349.0 1 12 383.6 100.0| ad4 4 117 116 1349 297.5 1 12 30.7 99.8| ad6 38 131 130 1323 459.9 1 9 415.0 100.0| ad8 62 126 125 1418 534.5 1 9 291.9 98.9| ad10 34 131 129 1403 639.0 2 128 783.4 100.1| ad12 47 131 129 1525 747.4 2 128 1044.4 100.1| ad14 after patch: >gstat -I5s dT: 5.001s w: 5.000s L(q) ops/s r/s kBps ms/r w/s kBps ms/w %busy Name 40 93 92 1072 101.4 1 54 20.7 79.3| ad4 8 114 113 1645 285.0 1 54 87.7 95.8| ad6 6 52 45 451 23.8 7 312 19.0 44.3| ad8 85 143 136 1753 1428.8 7 312 556.6 100.2| ad10 28 91 91 707 217.0 0 0 0.1 79.1| ad12 100 129 128 1488 894.8 0 0 956.9 100.0| ad14 >gstat -I5s dT: 5.001s w: 5.000s L(q) ops/s r/s kBps ms/r w/s kBps ms/w %busy Name 10 84 83 1239 86.1 1 10 123.1 65.6| ad4 34 121 120 1698 254.2 1 10 215.8 97.3| ad6 50 132 132 1841 481.3 0 0 0.0 99.9| ad8 0 63 63 685 46.3 0 0 0.0 57.0| ad10 70 131 131 2124 532.5 0 0 166.7 100.0| ad12 0 92 91 893 69.1 1 0 49.6 80.4| ad14 -- Michael
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