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https://issues.apache.org/jira/browse/HDFS-15493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17164312#comment-17164312
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Hadoop QA commented on HDFS-15493:
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| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
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| {color:red}-1{color} | {color:red} docker {color} | {color:red} 0m
28s{color} | {color:red} Docker failed to build yetus/hadoop:cce5a6f6094.
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-15493 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/13008339/HDFS-15493.001.patch |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/29551/console |
| versions | git=2.17.1 |
| Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
This message was automatically generated.
> Update block map and name cache in parallel while loading fsimage.
> ------------------------------------------------------------------
>
> Key: HDFS-15493
> URL: https://issues.apache.org/jira/browse/HDFS-15493
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: Chengwei Wang
> Priority: Major
> Attachments: HDFS-15493.001.patch
>
>
> While loading INodeDirectorySection of fsimage, it will update name cache and
> block map after added inode file to inode directory. It would reduce time
> cost of fsimage loading to enable these steps run in parallel.
> In our test case, with patch HDFS-13694 and HDFS-14617, the time cost to load
> fsimage (220M files & 240M blocks) is 470s, with this patch , the time cost
> reduc to 410s.
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