Messages in this thread | | | Date | Mon, 23 Jun 2003 11:48:04 -0500 | From | Steven Pratt <> | Subject | ext3 sequential write thoughput degrades in 2.5.72-mm1 |
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Compared with 2.5.72 the mm1 tree drops off on sequential write throughput for ext3. All other filesystems seem unaffected. This degrade stays in mm2 and mm3. Do not have the data from 2.5.73 yet. Full data can be found at: http://ltcperf.ncsa.uiuc.edu/data/2.5.72-mm1/2.5.72-vs-2.5.72-mm1/
tolerance = 1.00 + 3.00% of 2.5.72 2.5.72 2.5.72-mm1 Theads MBs/sec MBs/sec %diff diff tolerance ---------- ------------ ------------ -------- ------------ ------------ 1 42.98 43.54 1.30 0.56 2.29 16 11.04 6.08 -44.93 -4.96 1.33 * 64 3.88 2.61 -32.73 -1.27 1.12 *
Results:Sequential Write CPU (Graph) tolerance = 1.00 + 3.00% of 2.5.72 2.5.72 2.5.72-mm1 Theads %CPU %CPU %diff diff tolerance ---------- ------------ ------------ -------- ------------ ------------ 1 53.32% 51.76% -2.93 -1.56 2.60 16 119.6% 86.11% -28.00 -33.49 4.59 * 64 37.23% 25.05% -32.72 -12.18 2.12 *
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