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https://issues.apache.org/jira/browse/HDFS-16648?focusedWorklogId=788856&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-788856
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ASF GitHub Bot logged work on HDFS-16648:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Jul/22 06:13
Start Date: 08/Jul/22 06:13
Worklog Time Spent: 10m
Work Description: ZanderXu commented on PR #4529:
URL: https://github.com/apache/hadoop/pull/4529#issuecomment-1178595411
@goiri thanks for your review, I learned a lot and have updated the patch.
Please help me review it again.
Issue Time Tracking
-------------------
Worklog Id: (was: 788856)
Time Spent: 1h 40m (was: 1.5h)
> Normalize the usage of debug logs in NameNode
> ---------------------------------------------
>
> Key: HDFS-16648
> URL: https://issues.apache.org/jira/browse/HDFS-16648
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: ZanderXu
> Assignee: ZanderXu
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> There are many irregular debug logs in NameNode. such as:
> Error type1:
> {code:java}
> if (LOG.isDebugEnabled()) {
> LOG.debug("Getting groups for user " + user);
> }
> {code}
> we can format it to:
> {code:java}
> LOG.debug("Getting groups for user {}. ", user);
> {code}
> Error type2:
> {code:java}
> LOG.debug("*DIR* NameNode.renameSnapshot: Snapshot Path {}, " +
> "snapshotOldName {}, snapshotNewName {}", snapshotRoot,
> snapshotOldName, snapshotNewName);
> {code}
> we can format it to:
> {code:java}
> if (LOG.isDebugEnabled()) {
> LOG.debug("*DIR* NameNode.renameSnapshot: Snapshot Path {}, " +
> "snapshotOldName {}, snapshotNewName {}", snapshotRoot,
> snapshotOldName, snapshotNewName);
> }
> {code}
> Error type3:
> {code:java}
> if (LOG.isDebugEnabled()) {
> LOG.debug("getAdditionalDatanode: src=" + src
> + ", fileId=" + fileId
> + ", blk=" + blk
> + ", existings=" + Arrays.asList(existings)
> + ", excludes=" + Arrays.asList(excludes)
> + ", numAdditionalNodes=" + numAdditionalNodes
> + ", clientName=" + clientName);
> }
> {code}
> We can format it to:
> {code:java}
> if (LOG.isDebugEnabled()) {
> LOG.debug("getAdditionalDatanode: src={}, fileId={}, "
> + "blk={}, existings={}, excludes={}, numAdditionalNodes={}, "
> + "clientName={}.", src, fileId, blk, Arrays.asList(existings),
> Arrays.asList(excludes), numAdditionalNodes, clientName);
> }
> {code}
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