dkropachev
commented
3 years ago Tested, works as expected:
$ ./scylla-bench -workload=uniform -mode=read -replication-factor=1 -partition-count=10 -clustering-row-count=10000000 -clustering-row-size=5120 -rows-per-request=10 -concurrency=7 -max-rate=32000 -duration=5760m -nodes 172.17.0.4
Configuration
Mode: read
Workload: uniform
Timeout: 5s
Consistency level: quorum
Partition count: 10
Clustering rows: 10000000
Clustering row size: Fixed(5120)
Rows per request: 10
Provide upper bound: false
IN queries: false
No lower bound: false
Page size: 1000
Concurrency: 7
Connections: 4
Maximum rate: 32000 op/s
Client compression: true
time ops/s rows/s errors max 99.9th 99th 95th 90th median mean
1s 6578 0 0 5ms 3.1ms 2ms 1.8ms 1.7ms 852µs 1.1ms
2s 6957 0 0 5.4ms 2.9ms 2.1ms 1.9ms 1.7ms 885µs 1ms
3s 6482 0 0 5ms 4.2ms 2.2ms 1.9ms 1.8ms 918µs 1.1ms
4s 7061 0 0 7.8ms 4.7ms 2.2ms 1.9ms 1.8ms 852µs 987µs
5s 6777 0 0 5.4ms 2.9ms 2.1ms 1.9ms 1.8ms 885µs 1ms
6s 6827 0 0 4.9ms 3.9ms 2.2ms 1.9ms 1.8ms 885µs 1ms
7s 6843 0 0 4.3ms 2.9ms 2.1ms 1.9ms 1.8ms 918µs 1ms ^C
interrupted
Results
Time (avg): 7.143714209s
Total ops: 48446
Total rows: 0
Operations/s: 6781.626294410846
Rows/s: 0
raw latency :
max: 7.831551ms
99.9th: 3.637247ms
99th: 2.097151ms
95th: 1.867775ms
90th: 1.769471ms
median: 884.735µs
mean: 1.026142ms
c-o fixed latency :
max: 5.632950271s
99.9th: 5.628755967s
99th: 5.574230015s
95th: 5.339348991s
90th: 5.070913535s
median: 2.841640959s
mean: 2.829845899s
$ ./scylla-bench -workload=uniform -mode=read -replication-factor=1 -partition-count=10 -clustering-row-count=10000000 -clustering-row-size=5120 -rows-per-request=10 -concurrency=7 -max-rate=32000 -duration=5760m -nodes 172.17.0.4 -latency-type co
Configuration
Mode: read
Workload: uniform
Timeout: 5s
Consistency level: quorum
Partition count: 10
Clustering rows: 10000000
Clustering row size: Fixed(5120)
Rows per request: 10
Provide upper bound: false
IN queries: false
No lower bound: false
Page size: 1000
Concurrency: 7
Connections: 4
Maximum rate: 32000 op/s
Client compression: true
time ops/s rows/s errors max 99.9th 99th 95th 90th median mean
1s 6717 0 0 792ms 791ms 782ms 750ms 713ms 386ms 393ms
2s 6625 0 0 1.6s 1.6s 1.6s 1.5s 1.5s 1.2s 1.2s
3s 6780 0 0 2.4s 2.4s 2.4s 2.3s 2.3s 2s 2s
4s 6907 0 0 3.2s 3.2s 3.2s 3.1s 3.1s 2.8s 2.8s
5s 6745 0 0 4s 3.9s 3.9s 3.9s 3.9s 3.5s 3.5s ^C
interrupted
Results
Time (avg): 5.304289144s
Total ops: 35901
Total rows: 0
Operations/s: 6768.296425766724
Rows/s: 0
raw latency :
max: 5.111807ms
99.9th: 3.178495ms
99th: 2.129919ms
95th: 1.900543ms
90th: 1.769471ms
median: 917.503µs
mean: 1.02785ms
c-o fixed latency :
max: 4.185915391s
99.9th: 4.179623935s
99th: 4.148166655s
95th: 3.986685951s
90th: 3.781165055s
median: 2.120220671s
mean: 2.106002037s
There are two types of latencies: raw and co-fixed Both have their own place therefore we need to have a switch to pick what latencies user is going to see while test is running
Based on https://github.com/scylladb/scylla-bench/pull/52 fixes https://github.com/scylladb/scylla-bench/issues/56