Vyacheslav Tutrinov created HDDS-9480:
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Summary: Lock-free implementation of metrics
Key: HDDS-9480
URL: https://issues.apache.org/jira/browse/HDDS-9480
Project: Apache Ozone
Issue Type: Improvement
Affects Versions: 1.4.0
Reporter: Vyacheslav Tutrinov
Assignee: Vyacheslav Tutrinov
In the scope of HDDS-9377 calls of synchronized methods from MutableStat
(hadoop-common) were moved to the separate executor service in order to get rid
of high locks contention on reading small files (1KiB), but this did not
greatly affect the overall performance of the cluster (reading operations of
small files got faster, but new threads need to be serviced too). Hense, it
make sense to implement a lock-free implementation of the metrics collector
from hadoop-common
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