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IOPS with write cache | without write cache
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Authored by dcaro on Jan 7 2021, 3:42 PM.
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F33989680: IOPS without write cache | with write cache
Jan 7 2021, 3:55 PM
F33989667: Command-Line Input
Jan 7 2021, 3:42 PM
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Linear read: |ios=31491/0 |ios=29949/0
Linear write: |ios=47/31020 |ios=16/30960
Peak parallel random read: |ios=3245618/0 |ios=5779926/0
Single-threaded read latency: |ios=472836/0 |ios=1232638/0
Peak parallel random write: |ios=43/5023780|ios=43/5040033
Journal write latency (with sync): |ios=43/1183974|ios=43/2262624
Journal write latency (with fsync): |ios=43/2215944|ios=43/2157667
Single-threaded random write latency:|ios=43/1176272|ios=43/2269595

Event Timeline

dcaro created this paste.Jan 7 2021, 3:42 PM
dcaro changed the title of this paste from Command-Line Input to IOPS without write cache | with write cache.Jan 7 2021, 3:43 PM
dcaro mentioned this in T271417: [ceph] test how disabling the disk cache affects the io throughtput.Jan 7 2021, 3:51 PM
dcaro edited the content of this paste. (Show Details)Jan 7 2021, 3:55 PM
dcaro changed the title of this paste from IOPS without write cache | with write cache to IOPS with write cache | without write cache.Jan 7 2021, 3:58 PM
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