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https://issues.apache.org/jira/browse/AIRFLOW-3380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16695020#comment-16695020
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ASF GitHub Bot commented on AIRFLOW-3380:
-----------------------------------------
feng-tao closed pull request #4219: [AIRFLOW-3380] Metrics documentation
URL: https://github.com/apache/incubator-airflow/pull/4219
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diff --git a/docs/index.rst b/docs/index.rst
index 4c18ce5ce6..efd0a8b78d 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -103,6 +103,7 @@ Content
timezone
api
integration
+ metrics
lineage
faq
code
diff --git a/docs/metrics.rst b/docs/metrics.rst
new file mode 100644
index 0000000000..29819c03e6
--- /dev/null
+++ b/docs/metrics.rst
@@ -0,0 +1,67 @@
+.. Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+.. http://www.apache.org/licenses/LICENSE-2.0
+
+.. Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied. See the License for the
+ specific language governing permissions and limitations
+ under the License.
+
+Metrics
+=======
+
+Configuration
+-------------
+Airflow can be set up to send metrics to `StatsD
<https://github.com/etsy/statsd>`__:
+
+.. code-block:: bash
+
+ [scheduler]
+ statsd_on = True
+ statsd_host = localhost
+ statsd_port = 8125
+ statsd_prefix = airflow
+
+Counters
+--------
+
+===================================
================================================================
+Name Description
+===================================
================================================================
+<job_name>_start Number of started <job_name> job, ex.
SchedulerJob, LocalTaskJob
+<job_name>_end Number of ended <job_name> job, ex.
SchedulerJob, LocalTaskJob
+operator_failures_<operator_name> Operator <operator_name> failures
+operator_successes_<operator_name> Operator <operator_name> successes
+ti_failures Overall task instances failures
+ti_successes Overall task instances successes
+zombies_killed Zombie tasks killed
+scheduler_heartbeat Scheduler heartbeats
+===================================
================================================================
+
+Gauges
+------
+
+===================== =====================================
+Name Description
+===================== =====================================
+collect_dags Seconds taken to scan and import DAGs
+dagbag_import_errors DAG import errors
+dagbag_size DAG bag size
+===================== =====================================
+
+Timers
+------
+
+================================= =======================================
+Name Description
+================================= =======================================
+dagrun.dependency-check.<dag_id> Seconds taken to check DAG dependencies
+================================= =======================================
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> Metrics documentation
> ---------------------
>
> Key: AIRFLOW-3380
> URL: https://issues.apache.org/jira/browse/AIRFLOW-3380
> Project: Apache Airflow
> Issue Type: Improvement
> Components: Documentation
> Reporter: Bartosz Ługowski
> Assignee: Bartosz Ługowski
> Priority: Trivial
>
> At the moment there is no documentation about Airflow metrics:
> * how to enable it
> * which metrics are generated
> * description of each metric
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