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commit 35330313ef402d4eac973569bcc2b62576eaa992 Author: Lucas Brutschy <[email protected]> AuthorDate: Mon Dec 15 09:44:37 2025 +0100 KAFKA-19985: Document streams groups metrics changes in ops.html (#21129) Added documentation for KIP-1071 broker metrics: - Extended group-count metric to include protocol=streams - Added streams-group-count metric with states: empty, not_ready, assigning, reconciling, stable, dead - Added streams-group-rebalance-rate and streams-group-rebalance-count metrics Reviewers: Matthias J. Sax <[email protected]> --- docs/ops.html | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/docs/ops.html b/docs/ops.html index 10eba0aca9f..2319ebe9631 100644 --- a/docs/ops.html +++ b/docs/ops.html @@ -1939,8 +1939,8 @@ The following set of metrics are available for monitoring the group coordinator: </tr> <tr> <td>Group Count, per group type</td> - <td>kafka.server:type=group-coordinator-metrics,name=group-count,protocol={consumer|classic}</td> - <td>Total number of group per group type: Classic or Consumer</td> + <td>kafka.server:type=group-coordinator-metrics,name=group-count,protocol={consumer|classic|streams}</td> + <td>Total number of group per group type: Classic, Consumer or Streams</td> </tr> <tr> <td>Consumer Group Count, per state</td> @@ -1957,6 +1957,21 @@ The following set of metrics are available for monitoring the group coordinator: <td>kafka.server:type=group-coordinator-metrics,name=consumer-group-rebalance-count</td> <td>Total number of Consumer Group Rebalances</td> </tr> + <tr> + <td>Streams Group Count, per state</td> + <td>kafka.server:type=group-coordinator-metrics,name=streams-group-count,state=[empty|not_ready|assigning|reconciling|stable|dead]</td> + <td>Total number of Streams Groups in each state: Empty, Not Ready, Assigning, Reconciling, Stable, Dead</td> + </tr> + <tr> + <td>Streams Group Rebalance Rate</td> + <td>kafka.server:type=group-coordinator-metrics,name=streams-group-rebalance-rate</td> + <td>The rebalance rate of streams groups</td> + </tr> + <tr> + <td>Streams Group Rebalance Count</td> + <td>kafka.server:type=group-coordinator-metrics,name=streams-group-rebalance-count</td> + <td>Total number of Streams Group Rebalances</td> + </tr> <tr> <td>Classic Group Count</td> <td>kafka.server:type=GroupMetadataManager,name=NumGroups</td>
