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@ -233,6 +233,8 @@ Vitastor: |
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- T1Q1 read: 6838 iops (0.145ms latency) |
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- T2Q64 write: 162000 iops, total CPU usage by OSDs about 3 virtual cores on each node |
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- T8Q64 read: 895000 iops, total CPU usage by OSDs about 4 virtual cores on each node |
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- Linear write (4M T1Q32): 2800 MB/s |
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- Linear read (4M T1Q32): 1500 MB/s |
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T8Q64 read test was conducted over 1 larger inode (3.2T) from all hosts (every host was running 2 instances of fio). |
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Vitastor has no performance penalties related to running multiple clients over a single inode. |
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@ -246,6 +248,16 @@ Vitastor was configured with: `--disable_data_fsync true --immediate_commit all |
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--journal_no_same_sector_overwrites true --journal_sector_buffer_count 1024 |
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--journal_size 16777216`. |
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### EC/XOR 2+1 |
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Vitastor: |
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- T1Q1 write: 2808 iops (~0.355ms latency) |
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- T1Q1 read: 6190 iops (~0.16ms latency) |
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- T2Q64 write: 85500 iops, total CPU usage by OSDs about 3.4 virtual cores on each node |
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- T8Q64 read: 812000 iops, total CPU usage by OSDs about 4.7 virtual cores on each node |
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- Linear write (4M T1Q32): 3200 MB/s |
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- Linear read (4M T1Q32): 1800 MB/s |
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### NBD |
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NBD is currently required to mount Vitastor via kernel, but it imposes additional overhead |
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@ -257,8 +269,8 @@ Vitastor with single-thread NBD on the same hardware: |
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- T1Q1 read: 5518 iops (0.18ms latency) |
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- T1Q128 write: 94400 iops |
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- T1Q128 read: 103000 iops |
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- Linear write (4M T1Q128): 1266 MB/s (compared to 2600 MB/s via fio) |
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- Linear read (4M T1Q128): 975 MB/s (compared to 1400 MB/s via fio) |
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- Linear write (4M T1Q128): 1266 MB/s (compared to 2800 MB/s via fio) |
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- Linear read (4M T1Q128): 975 MB/s (compared to 1500 MB/s via fio) |
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## Building |
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