xyuanlu edited a comment on pull request #1043:
URL: https://github.com/apache/helix/pull/1043#issuecomment-643568995
I ran a CPU profiler for my previous version (34bf638). It shows the lamda
function
`defaultDomainPathValuesCache.computeIfAbsent(key, k ->
(DEFAULT_DOMAIN_PREFIX + key)); `
and InstanceConfig.getDomaiAsMap are two hotspots for CPU consumption. I
changed them back to the original implementation.
After these changes, the new result of running testCreateClusterTopology is
~2%, comparing to
2~3% for the original code and 6% with previous version.
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