in_tail: add "tracked_file_count" metrics to see how many log files are being tracked #4980
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MEMO: It was discussed about reducing |
Signed-off-by: Shizuo Fujita <[email protected]>
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Which issue(s) this PR fixes:
Fixes #
What this PR does / why we need it:
This PR will add a
tracked_file_countfield to the value returned by statistics method.This will make it easy to see how many log files are being tracked.
Docs Changes:
It appears that there is no documentation at all on plugin-specific metrics.
Maybe we should add document about in_tail's metrics to https://docs.fluentd.org/input/tail.
Release Note:
Same as the title.