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https://issues.apache.org/jira/browse/KYLIN-4688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17174278#comment-17174278
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QiangZhang commented on KYLIN-4688:
-----------------------------------
This is a complicated process. Let's analyze it step by step
1.org.apache.kylin.storage.hbase.HBaseConnection#getCurrentHBaseConfiguration
!image-2020-08-10-20-06-01-526.png!
2.step into
①：org.apache.hadoop.hbase.HBaseConfiguration#create(org.apache.hadoop.conf.Configuration)
!image-2020-08-10-20-18-10-513.png!
!image-2020-08-10-20-20-07-899.png!
!image-2020-08-10-20-21-44-137.png!
when merge，“hbase.fs.tmp.dir” value became "/tmp"
> Too many tmp files in HDFS tmp dictionary
> -----------------------------------------
>
> Key: KYLIN-4688
> URL: https://issues.apache.org/jira/browse/KYLIN-4688
> Project: Kylin
> Issue Type: Bug
> Components: Others
> Affects Versions: all
> Reporter: QiangZhang
> Priority: Major
> Attachments: image-2020-08-06-18-07-00-377.png,
> image-2020-08-06-18-29-28-503.png, image-2020-08-06-18-58-00-355.png,
> image-2020-08-06-19-34-22-515.png, image-2020-08-10-19-38-28-913.png,
> image-2020-08-10-20-06-01-526.png, image-2020-08-10-20-14-53-854.png,
> image-2020-08-10-20-18-10-513.png, image-2020-08-10-20-20-07-899.png,
> image-2020-08-10-20-21-44-137.png
>
>
> Too many tmp files in HDFS tmp dictionary,and Kylin doesn't clean up
> automatically
> !image-2020-08-06-18-07-00-377.png!
> 2. when I debug ,I found : !image-2020-08-06-18-29-28-503.png!
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