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[fluentd] Add the in_tail tracked_file_count metric #24159

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[fluentd] Add the in_tail tracked_file_count metric #24159

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8b87502
[fluentd] Add the in_tail tracked_file_count metric
pault-pg Jun 15, 2026
683171f
[fluentd] Add changelog entry for tracked_file_count
pault-pg Jun 24, 2026
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1 change: 1 addition & 0 deletions fluentd/changelog.d/24159.added
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Add the ``fluentd.tracked_file_count`` gauge from the in_tail plugin.
1 change: 1 addition & 0 deletions fluentd/datadog_checks/fluentd/fluentd.py
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Expand Up @@ -27,6 +27,7 @@ class Fluentd(AgentCheck):
'buffer_stage_byte_size',
'buffer_queue_byte_size',
'buffer_available_buffer_space_ratios',
'tracked_file_count',
]
_AVAILABLE_TAGS = frozenset(['plugin_id', 'type'])
VERSION_PATTERN = r'.* (?P<version>[0-9\.]+)'
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1 change: 1 addition & 0 deletions fluentd/metadata.csv
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Expand Up @@ -11,4 +11,5 @@ fluentd.flush_time_count,gauge,,millisecond,,The total time of buffer flush in m
fluentd.retry_count,gauge,,time,,The number of retries for this plugin.,-1,fluentd,retry count,
fluentd.rollback_count,gauge,,unit,,The total number of rollback. rollback happens when write/try_write failed,-1,fluentd,rollback count,
fluentd.slow_flush_count,gauge,,unit,,The total number of slow flush. This count will be incremented when buffer flush is longer than slow_flush_log_threshold,-1,fluentd,slow flush,cpu|memory
fluentd.tracked_file_count,gauge,,file,,Number of files currently being tracked by the in_tail plugin,0,fluentd,tracked files,
fluentd.write_count,gauge,,unit,,The total number of write/try_write call in output plugin,0,fluentd,write count,
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