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What changes were proposed in this pull request?

The debug log has "toString()" called on datanode details, which means it must be evaluated before it gets passed into the debug logger. That means this string will always get created even when the log messages is not emitted.

LOG.debug("Datanode {} is chosen. Required metadata size is {} and " +
        "required data size is {}",
    datanodeDetails.toString(), metadataSizeRequired, dataSizeRequired); 

We can just drop the toString part to fix this.

What is the link to the Apache JIRA

https://issues.apache.org/jira/browse/HDDS-6331

How was this patch tested?

Existing tests

@sodonnel sodonnel merged commit ff0209d into apache:master Feb 16, 2022
errose28 added a commit to errose28/ozone that referenced this pull request Feb 17, 2022
* master: (43 commits)
  HDDS-6212. SCM Container DB bootstrap on Recon startup for secure cluster (apache#3027)
  HDDS-6234. Repair containers affected by incorrect used bytes and block count. (apache#3042)
  HDDS-6262. ozone insight log stops working after OM DBUpdates message (apache#3044)
  HDDS-6290. operational-state and node-state options in datanode list CLI not working correctly (apache#3105)
  HDDS-6314. ConcurrentModificationException getting SCMContainerMetrics (apache#3101)
  HDDS-6284. Add BlockDeletingService worker size config (apache#3056)
  HDDS-6324. Do not trigger CI by reopening PR (apache#3092)
  HDDS-6283. Change ContainerStateMachine ContainerOpExecutor name (apache#3055)
  HDDS-6331. Remove toString in debug log parameters within SCMCommonPlacementPolicy (apache#3098)
  HDDS-6330. Remove unnecessary duplicate semicolons (apache#3097)
  HDDS-6305: Add metrics - number of FSO bucket creates (apache#3077)
  HDDS-6311. Fix number of keys displayed in Recon Overview. (apache#3081)
  HDDS-6325. Fix interface ClientProtocol methods typo setThreadLocalS3Auth and clearThreadLocalS3Auth (apache#3093)
  HDDS-6322. Fix Recon getting inccorrect sequenceNumber from OM (apache#3090)
  HDDS-5913. Avoid integer overflow when setting dfs.container.ratis.lo… (apache#2785)
  HDDS-6313. Remove replicas in ContainerStateMap when a container is deleted (apache#3086)
  HDDS-6186. Selective checks: skip integration check for unit test changes (apache#3061)
  HDDS-6310. Update json-smart to 2.4.7. (apache#3080)
  HDDS-6190. Cleanup unnecessary datanode id path checks. (apache#2993)
  HDDS-6304. Add enforcer to make sure ozone.version equals project.version (apache#3075)
  ...
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2 participants