Wei-Chiu Chuang created HDDS-11224:
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Summary: Increase hdds.datanode.handler.count
Key: HDDS-11224
URL: https://issues.apache.org/jira/browse/HDDS-11224
Project: Apache Ozone
Issue Type: Sub-task
Reporter: Wei-Chiu Chuang
hdds.datanode.handler.count is default to 1. Increasing to 10 improves DN Echo
throughput
{noformat}
ozone freon dne --clients=32 -t 32 -n 1000000 --sleep-time-ms=0 --ratis
--payload-req=0 --container-id=1 {noformat}
before:
{noformat}
count = 555484
mean rate = 10309.69 calls/second
1-minute rate = 9451.50 calls/second
5-minute rate = 8537.91 calls/second
15-minute rate = 8327.00 calls/second
min = 1.29 milliseconds
max = 34.97 milliseconds
mean = 3.00 milliseconds
stddev = 1.06 milliseconds
median = 2.85 milliseconds
75% <= 3.19 milliseconds
95% <= 4.04 milliseconds
98% <= 4.38 milliseconds
99% <= 4.82 milliseconds
99.9% <= 11.82 milliseconds
{noformat}
after setting hdds.datanode.handler.count to 10:
{noformat}
count = 1000000
mean rate = 20817.03 calls/second
1-minute rate = 18431.88 calls/second
5-minute rate = 16256.12 calls/second
15-minute rate = 15770.61 calls/second
min = 0.56 milliseconds
max = 9.36 milliseconds
mean = 1.50 milliseconds
stddev = 0.60 milliseconds
median = 1.38 milliseconds
75% <= 1.69 milliseconds
95% <= 2.47 milliseconds
98% <= 2.82 milliseconds
99% <= 3.23 milliseconds
99.9% <= 7.58 milliseconds
{noformat}
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