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  1. Couchbase Server
  2. MB-49169

Magma YCSB latency increased on build 7.1.0-1558

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      99th Percentile READ Latency(ms), Workload B, 3 nodes, 1 bucket x 1.5B x 1KB, Uniform distribution, 15K ops/sec, 1% Resident Ratio, Magma

      99th Percentile UPDATE Latency(ms), Workload B, 3 nodes, 1 bucket x 1.5B x 1KB, Uniform distribution, 15K ops/sec, 1% Resident Ratio, Magma

       

      I will start the bisection.

       

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          We made some changes. The warmup phase in ycsb tests will run at max ops rate. I re-ran both runs after the change. The new results show there is no regression.

          99th Percentile READ Latency(ms), Workload B, 3 nodes, 1 bucket x 1.5B x 1KB, Uniform distribution, 15K ops/sec, 1% Resident Ratio, Magma

          99th Percentile UPDATE Latency(ms), Workload B, 3 nodes, 1 bucket x 1.5B x 1KB, Uniform distribution, 15K ops/sec, 1% Resident Ratio, Magma

          bo-chun.wang Bo-Chun Wang added a comment - We made some changes. The warmup phase in ycsb tests will run at max ops rate. I re-ran both runs after the change. The new results show there is no regression. 99th Percentile READ Latency(ms), Workload B, 3 nodes, 1 bucket x 1.5B x 1KB, Uniform distribution, 15K ops/sec, 1% Resident Ratio, Magma Build Latency Job 7.1.0-1504 1.098 http://perf.jenkins.couchbase.com/job/magma-nvme-ycsb/1495 7.1.0-1558 1.013 http://perf.jenkins.couchbase.com/job/magma-nvme-ycsb/1493 7.1.0-1558 0.845 http://perf.jenkins.couchbase.com/job/magma-nvme-ycsb/1494 99th Percentile UPDATE Latency(ms), Workload B, 3 nodes, 1 bucket x 1.5B x 1KB, Uniform distribution, 15K ops/sec, 1% Resident Ratio, Magma Build Latency Job 7.1.0-1504 1.2 http://perf.jenkins.couchbase.com/job/magma-nvme-ycsb/1495 7.1.0-1558 1.129 http://perf.jenkins.couchbase.com/job/magma-nvme-ycsb/1493 7.1.0-1558 1.012 http://perf.jenkins.couchbase.com/job/magma-nvme-ycsb/1494  

          Resolving as the problem is not warming up the caches

          sarath Sarath Lakshman added a comment - Resolving as the problem is not warming up the caches

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            bo-chun.wang Bo-Chun Wang
            bo-chun.wang Bo-Chun Wang
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