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Posted to issues@flink.apache.org by "Jing Ge (Jira)" <ji...@apache.org> on 2022/06/18 14:40:00 UTC

[jira] [Created] (FLINK-28117) More metrics for FileSource

Jing Ge created FLINK-28117:
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             Summary: More metrics for FileSource
                 Key: FLINK-28117
                 URL: https://issues.apache.org/jira/browse/FLINK-28117
             Project: Flink
          Issue Type: Improvement
            Reporter: Jing Ge


According to user's requirement[1], following metrics are required:
1. No. of splits SplitAssigner is initialized with, number of splits re-added back to the SplitAssigner
2. Readers created per unit time
3. Time taken to create a reader
4. Time taken for the Reader to produce a single Row
5. Readers closed per unit time
 
Some further nice-to-have metrics:1. Number of rows emitted by the source per unit time
2. Time taken by the enumerator to discover the splits 
3. Total splits discovered
 
Please check FLIP-33 first and extend it if above mentioned metrics were not included in the FLIP.
 
[1] https://lists.apache.org/thread/t70hhss6d9s65y1vygyytbm6sgl05yrl



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