Jark Wu created FLINK-18357:
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Summary: ContinuousFileReaderOperator checkpoint timeout when
files and directories get larger
Key: FLINK-18357
URL: https://issues.apache.org/jira/browse/FLINK-18357
Project: Flink
Issue Type: Improvement
Components: API / DataStream
Reporter: Jark Wu
This is reported from user-zh, I tranlsated it into this issue:
{{env.readFile(format,path, FileProcessingMode.PROCESS_CONTINUOUSLY, 60000)}}
It monitors a directory of A, we will generate a new directory under A every
day, such as:
A/20200101/
A/20200102/
A/20200103/
.......
.......
However, as time goes on, it has to monitor 200 directories and 500 files in
each directory until June. Then everytime, the checkpoint has to synchronize
offsets of 200*500 files which is very large and checkpoint gets timeout.
========================================================
My though is that is it possible to have a configuration, to mark a
sub-directory as idle after a inactive interval, then we don't need to
checkpoint all the file offsets under it.
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