XOR 2+1 test results

Vitaliy Filippov 2020-10-17 14:58:08 +03:00
parent 70612e5df0
commit 900171586b
1 changed files with 14 additions and 2 deletions

View File

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