Hi Meghajit,

As far as I know, currently, the FileSource does not have the metrics you
need.  You can implement your own source, and register custom metrics via
`SplitEnumeratorContext#metricGroup` and `SourceReaderContext#metricGroup`.

Best,
Lijie

Meghajit Mazumdar <meghajit.mazum...@gojek.com> 于2022年6月10日周五 16:36写道:

> Hello,
>
> We are working on a Flink project which uses FileSource to discover and
> read Parquet Files from GCS. ( using Flink 1.14)
>
> As part of this, we wanted to implement some health metrics around the
> code.
> I wanted to know whether Flink gathers some metrics by itself around
> FileSource, e;g, number of files discovered by the SplitEnumerator, number
> of files added back to SplitAssigner, time taken to process per split, etc ?
>
> I checked in the official documentation
> <https://nightlies.apache.org/flink/flink-docs-release-1.14/docs/connectors/datastream/filesystem/>
> but there doesn't appear to be. Is the solution then to implement
> custom metrics like this
> <https://nightlies.apache.org/flink/flink-docs-release-1.14/docs/ops/metrics/>
> ?
>
>
> *Regards,*
> *Meghajit*
>

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