Wei-Chiu Chuang created HDDS-4363:
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Summary: Add metric to track the number of RocksDB open/close
operations
Key: HDDS-4363
URL: https://issues.apache.org/jira/browse/HDDS-4363
Project: Hadoop Distributed Data Store
Issue Type: Improvement
Components: Ozone Datanode
Affects Versions: 1.0.0
Reporter: Wei-Chiu Chuang
We are benchmarking Ozone performance, and realized RocksDB open/close
operations have huge impact to performance. Each db open takes about 70ms on
average and close takes about 1ms on average.
Having metrics on these operations will help understand DataNode performance
problems.
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