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https://issues.apache.org/jira/browse/HDFS-15207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17110393#comment-17110393
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Hudson commented on HDFS-15207:
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FAILURE: Integrated in Jenkins build Hadoop-trunk-Commit #18269 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/18269/])
HDFS-15207. VolumeScanner skip to scan blocks accessed during recent (weichiu:
rev 50caba1a92cb36ce78307d47ed7624ce216562fc)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockScanner.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/VolumeScanner.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestBlockScanner.java
> VolumeScanner skip to scan blocks accessed during recent scan peroid
> --------------------------------------------------------------------
>
> Key: HDFS-15207
> URL: https://issues.apache.org/jira/browse/HDFS-15207
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Reporter: Yang Yun
> Assignee: Yang Yun
> Priority: Minor
> Fix For: 3.3.1, 3.4.0
>
> Attachments: HDFS-15207.002.patch, HDFS-15207.003.patch,
> HDFS-15207.004.patch, HDFS-15207.005.patch, HDFS-15207.006.patch,
> HDFS-15207.007.patch, HDFS-15207.008.patch, HDFS-15207.patch, HDFS-15207.patch
>
>
> Check the access time of block file to avoid scanning recently changed
> blocks, reducing disk IO.
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