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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-10002) WebUI shows logs unfriendly, especially when the amount of logs is large
Date Fri, 19 Oct 2018 07:51:06 GMT

    [ https://issues.apache.org/jira/browse/FLINK-10002?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16656403#comment-16656403
] 

ASF GitHub Bot commented on FLINK-10002:
----------------------------------------

ifndef-SleePy commented on a change in pull request #6770:  [FLINK-10002] [Webfrontend] WebUI
shows jm/tm logs more friendly.
URL: https://github.com/apache/flink/pull/6770#discussion_r226549357
 
 

 ##########
 File path: flink-runtime/src/main/scala/org/apache/flink/runtime/messages/TaskManagerMessages.scala
 ##########
 @@ -117,11 +118,13 @@ object TaskManagerMessages {
   /** Trait do differentiate which log file is requested */
   sealed trait LogTypeRequest
 
-  /** Indicates a request for the .log file */
-  case object LogFileRequest extends LogTypeRequest
+  /** Indicates a request for the log file */
+  case class LogFileRequest(filename : String, range: FileOffsetRange) extends LogTypeRequest
 
 Review comment:
   Just leave the legacy codes alone.

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> WebUI shows logs unfriendly, especially when the amount of logs is large
> ------------------------------------------------------------------------
>
>                 Key: FLINK-10002
>                 URL: https://issues.apache.org/jira/browse/FLINK-10002
>             Project: Flink
>          Issue Type: Improvement
>          Components: Webfrontend
>            Reporter: zhangxinyu
>            Assignee: zhangxinyu
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.7.0
>
>         Attachments: image-2018-09-10-11-38-07-973.png
>
>
> When a streaming job run for a long time, the amount of logs may be very large. The current
WebUI shows all content of logs. It will cost much time to download logs from task managers.
and the browser cannot display the logs.
> Therefore, I suggest that Flink uses DailyRollingAppender to split logs by default, and
task manager provides an API that can get logs based on a parameter of time interval. In this
way WebUI can display logs based on time interval.



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