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https://issues.apache.org/jira/browse/KYLIN-3406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16709638#comment-16709638
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XiaoXiang Yu commented on KYLIN-3406:
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[5261]I have reproduced error as reporter describe.
When any single file of Kylin's metadata miss in HDFS, the "Monitor" Page will
failed to display all job info and kylin process will throw
FileNotFoundException as above.
The better way should be miss file should only affect specific item. And if
only execute output miss, task should be success, otherwise task should be
marked as failed.
> When the /execute_output/ metadata file sinking to HDFS is deleted, the
> monitoring page does not display any tasks.
> -------------------------------------------------------------------------------------------------------------------
>
> Key: KYLIN-3406
> URL: https://issues.apache.org/jira/browse/KYLIN-3406
> Project: Kylin
> Issue Type: Bug
> Components: Metadata
> Affects Versions: v2.3.1
> Reporter: yujie.sun
> Assignee: XiaoXiang Yu
> Priority: Major
> Fix For: v2.6.0
>
> Attachments: image-2018-12-05-13-22-42-456.png
>
>
> *{color:#24292e}Issue description:{color}*
> When a single file of Hbase metadata is greater than a certain value, the
> file is sunk into HDFS for storage. When files in execute_output/ are deleted
> in HDFS, the monitoring page will not display any tasks.
> *{color:#24292e}Reproduction step:{color}*
> {color:#24292e}1.Use Hbase as metadata storage{color}
> {color:#24292e}2.Modify the hbase configuration ,configure
> "hbase.client.keyvalue.maxsize" into a small value, such as 524288.{color}
> {color:#24292e}3.Create a new build task, after the build task finished,find
> the /execute_output hbase metadata path on HDFS,
> /\{working_dir}/\{metadata_url}/resources/execute_output/..., and delete one
> of the files.{color}
> {color:#24292e}4.At this time,{color:#333333}the monitoring page will not
> display any tasks.{color}{color}
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