xiaoyuyao opened a new pull request #691: HDDS-3226. Tracing Ozone Manager DB write batch operations. URL: https://github.com/apache/hadoop-ozone/pull/691 ## What changes were proposed in this pull request? Currently the OM DB write is asynchronously handled in OzoneManagerDoubleBuffer. But the OM response does not have traceID properly populated. As a result, we can't get insight for the DB part of the OM request handling. This ticket is opened to add traceID properly so that the addBatch and commitBatch cost of the request can be shown up in properly in Opentracing/Jaeger. ## What is the link to the Apache JIRA https://issues.apache.org/jira/browse/HDDS-3226 ## How was this patch tested? docker-compose with jaeger ozone freon ockg -n100 ozone freon rk --factor=THREE --replicationType=RATIS --numOfVolumes=10 --numOfBuckets=10 --numOfKeys=5 --keySize=512 
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