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https://issues.apache.org/jira/browse/FLINK-35876?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Youle updated FLINK-35876:
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Attachment: image-2024-07-23-15-47-10-376.png
Description:
I use mysql cdc to read data from mysql to write to doris, mysql cdc may
change from sanpshot mode to binlog mode failed when I set up 2 flink job(20
parallism of source) and the cpu load of mysql server is 100%. It can't change
even the cpu load drop and just hang up, won't consume latest binlog data. But
when I only set up one flink job(20 parallism of source) and the cpu load of
mysql server is less than 100%, that mistake never happens.
Is there anything to do to avoid this mistake if we can't promise the cpu load
always in a healthy state?
!image-2024-07-23-15-47-10-376.png!
> mysql cdc may change from snapshot mode to binlog mode failed when cpu load
> of mysql server is 100%
> ---------------------------------------------------------------------------------------------------
>
> Key: FLINK-35876
> URL: https://issues.apache.org/jira/browse/FLINK-35876
> Project: Flink
> Issue Type: Bug
> Reporter: Youle
> Priority: Major
> Attachments: image-2024-07-23-15-47-10-376.png
>
>
> I use mysql cdc to read data from mysql to write to doris, mysql cdc may
> change from sanpshot mode to binlog mode failed when I set up 2 flink job(20
> parallism of source) and the cpu load of mysql server is 100%. It can't
> change even the cpu load drop and just hang up, won't consume latest binlog
> data. But when I only set up one flink job(20 parallism of source) and the
> cpu load of mysql server is less than 100%, that mistake never happens.
> Is there anything to do to avoid this mistake if we can't promise the cpu
> load always in a healthy state?
> !image-2024-07-23-15-47-10-376.png!
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