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https://issues.apache.org/jira/browse/FLINK-11374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16933969#comment-16933969
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Yadong Xie edited comment on FLINK-11374 at 9/23/19 6:38 AM:
-------------------------------------------------------------

Hi [~trohrmann]

According to the current flink 
[code|https://github.com/apache/flink/blob/34b5399f4effb679baabd8bca312cbf92ec34165/flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/job/JobExceptionsHandler.java#L54],
 the MAX_NUMBER_EXCEPTION_TO_REPORT is default 20 and not configurable. The 
problem is that the exception which is useful to users usually appears in the 
first exception, but if there are a lot of exceptions happened, users can only 
get the latest 20 exception messages, the first exception is gone.

 

Making the  MAX_NUMBER_EXCEPTION_TO_REPORT configurable in the REST API can 
solve this problem, and we can add filters(text or time-range) in the Web UI to 
help users find useful exceptions.

 

What do you think about it?

 


was (Author: vthinkxie):
Hi [~trohrmann]

According to the current flink 
[code|https://github.com/apache/flink/blob/34b5399f4effb679baabd8bca312cbf92ec34165/flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/job/JobExceptionsHandler.java#L54],
 the MAX_NUMBER_EXCEPTION_TO_REPORT is default 20 and not configurable. The 
problem is that the exception which is useful to users usually appears in the 
first exception, but if there are a lot of exceptions happened, users can only 
get the latest 20 exception messages, the first exception is gone.

 

Making the  MAX_NUMBER_EXCEPTION_TO_REPORT configurable in flink-conf.yaml can 
solve this problem, and we can add filters(text or time-range) in the Web UI to 
help users find useful exceptions.

 

What do you think about it?

 

> See more failover and can filter by time range
> ----------------------------------------------
>
>                 Key: FLINK-11374
>                 URL: https://issues.apache.org/jira/browse/FLINK-11374
>             Project: Flink
>          Issue Type: Improvement
>          Components: Runtime / REST, Runtime / Web Frontend
>            Reporter: lining
>            Priority: Major
>         Attachments: image-2019-01-22-11-40-53-135.png, 
> image-2019-01-22-11-42-33-808.png
>
>
> Now failover just show limit size task failover latest time. If task has 
> failed many time, we can not see the earlier time failover. Can we add filter 
> by time to see failover which contains task attemp fail msg.



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