[jira] [Updated] (KAFKA-9675) RocksDB metrics reported always at zero

["Bruno Cadonna (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-9675?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bruno Cadonna updated KAFKA-9675:
---------------------------------
    Issue Type: Bug  (was: Improvement)

> RocksDB metrics reported always at zero
> ---------------------------------------
>
>                 Key: KAFKA-9675
>                 URL: https://issues.apache.org/jira/browse/KAFKA-9675
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 2.4.0
>            Reporter: Michael Viamari
>            Assignee: Bruno Cadonna
>            Priority: Major
>
> The rocksdb metrics listed under {{stream-state-metrics}} are reported as zero for all metrics and all rocksdb instances. The metrics are present in JMX, but are always zero.
> The streams state is configured with {{MetricsRecordingLevel}} at {{debug}}. I am able to see metrics with appropriate values in the {{stream-rocksdb-window-state-metrics}}, {{stream-record-cache-metrics}}, {{stream-task-metrics}}, and {{stream-processor-node-metrics}}.
> Additionally, my DEBUG logs show the appropriate messages for recording events, i.e.
> {{org.apache.kafka.streams.state.internals.metrics.RocksDBMetricsRecorder [RocksDB Metrics Recorder for agg-store] Recording metrics for store agg-store}}
> It happens that all of my rocksdb instances are windowed stores, not key value stores, so I haven't been able to check if this issue is unique to windowed stores.



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