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The following commit(s) were added to refs/heads/3.6 by this push:
new 00229492819 KAFKA-15483: Add KIP-938 and KIP-866 metrics to bundled
docs (#14421)
00229492819 is described below
commit 00229492819ab3ef10bf08ca755d4e6522e92e45
Author: David Arthur <[email protected]>
AuthorDate: Tue Oct 3 07:41:41 2023 -0400
KAFKA-15483: Add KIP-938 and KIP-866 metrics to bundled docs (#14421)
Reviewers: Divij Vaidya <[email protected]>, Ron Dagostino
<[email protected]>
---
docs/ops.html | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 60 insertions(+)
diff --git a/docs/ops.html b/docs/ops.html
index 7c4b85aacd1..40082918d09 100644
--- a/docs/ops.html
+++ b/docs/ops.html
@@ -1980,6 +1980,28 @@ These metrics are reported on both Controllers and
Brokers in a KRaft Cluster
<td>The average fraction of time the client's poll() is idle as opposed to
waiting for the user code to process records.</td>
<td>kafka.server:type=raft-metrics,name=poll-idle-ratio-avg</td>
</tr>
+ <tr>
+ <td>Current Metadata Version</td>
+ <td>Outputs the feature level of the current effective metadata
version.</td>
+ <td>kafka.server:type=MetadataLoader,name=CurrentMetadataVersion</td>
+ </tr>
+ <tr>
+ <td>Metadata Snapshot Load Count</td>
+ <td>The total number of times we have loaded a KRaft snapshot since the
process was started.</td>
+ <td>kafka.server:type=MetadataLoader,name=HandleLoadSnapshotCount</td>
+ </tr>
+ <tr>
+ <td>Latest Metadata Snapshot Size</td>
+ <td>The total size in bytes of the latest snapshot that the node has
generated. If none have been generated yet, this is the size
+ of the latest snapshot that was loaded. If no snapshots have been
generated or loaded, this is 0.</td>
+
<td>kafka.server:type=SnapshotEmitter,name=LatestSnapshotGeneratedBytes</td>
+ </tr>
+ <tr>
+ <td>Latest Metadata Snapshot Age</td>
+ <td>The interval in milliseconds since the latest snapshot that the node
has generated.
+ If none have been generated yet, this is approximately the time delta
since the process was started.</td>
+
<td>kafka.server:type=SnapshotEmitter,name=LatestSnapshotGeneratedAgeMs</td>
+ </tr>
</tbody>
</table>
<h5 class="anchor-heading"><a id="kraft_controller_monitoring"
class="anchor-link"></a><a href="#kraft_controller_monitoring">KRaft Controller
Monitoring Metrics</a></h5>
@@ -2061,6 +2083,44 @@ These metrics are reported on both Controllers and
Brokers in a KRaft Cluster
For active Controllers the value of this lag is always zero.</td>
<td>kafka.controller:type=KafkaController,name=LastAppliedRecordLagMs</td>
</tr>
+ <tr>
+ <td>ZooKeeper Write Behind Lag</td>
+ <td>The amount of lag in records that ZooKeeper is behind relative to the
highest committed record in the metadata log.
+ This metric will only be reported by the active KRaft controller.</td>
+ <td>kafka.controller:type=KafkaController,name=ZkWriteBehindLag</td>
+ </tr>
+ <tr>
+ <td>ZooKeeper Metadata Snapshot Write Time</td>
+ <td>The number of milliseconds the KRaft controller took reconciling a
snapshot into ZooKeeper.</td>
+ <td>kafka.controller:type=KafkaController,name=ZkWriteSnapshotTimeMs</td>
+ </tr>
+ <tr>
+ <td>ZooKeeper Metadata Delta Write Time</td>
+ <td>The number of milliseconds the KRaft controller took writing a delta
into ZK.</td>
+ <td>kafka.controller:type=KafkaController,name=ZkWriteDeltaTimeMs</td>
+ </tr>
+ <tr>
+ <td>Timed-out Broker Heartbeat Count</td>
+ <td>The number of broker heartbeats that timed out on this controller
since the process was started. Note that only
+ active controllers handle heartbeats, so only they will see increases in
this metric.</td>
+
<td>kafka.controller:type=KafkaController,name=TimedOutBrokerHeartbeatCount</td>
+ </tr>
+ <tr>
+ <td>Number Of Operations Started In Event Queue</td>
+ <td>The total number of controller event queue operations that were
started. This includes deferred operations.</td>
+
<td>kafka.controller:type=KafkaController,name=EventQueueOperationsStartedCount</td>
+ </tr>
+ <tr>
+ <td>Number of Operations Timed Out In Event Queue</td>
+ <td>The total number of controller event queue operations that timed out
before they could be performed.</td>
+
<td>kafka.controller:type=KafkaController,name=EventQueueOperationsTimedOutCount</td>
+ </tr>
+ <tr>
+ <td>Number Of New Controller Elections</td>
+ <td>Counts the number of times this node has seen a new controller
elected. A transition to the "no leader" state
+ is not counted here. If the same controller as before becomes active, that
still counts.</td>
+
<td>kafka.controller:type=KafkaController,name=NewActiveControllersCount</td>
+ </tr>
</tbody>
</table>
<h5 class="anchor-heading"><a id="kraft_broker_monitoring"
class="anchor-link"></a><a href="#kraft_broker_monitoring">KRaft Broker
Monitoring Metrics</a></h5>
