Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/10902#discussion_r50735558
--- Diff: conf/metrics.properties.template ---
@@ -57,39 +57,39 @@
# added to Java properties using -Dspark.metrics.conf=xxx if you want to
# customize metrics system. You can also put the file in
${SPARK_HOME}/conf
# and it will be loaded automatically.
-# 5. MetricsServlet is added by default as a sink in master, worker and
client
-# driver, you can send http request "/metrics/json" to get a snapshot
of all the
-# registered metrics in json format. For master, requests
"/metrics/master/json" and
-# "/metrics/applications/json" can be sent seperately to get metrics
snapshot of
-# instance master and applications. MetricsServlet may not be
configured by self.
-#
+# 5. The MetricsServlet sink is added by default as a sink in master,
worker and
--- End diff --
While we're here...
- in _the_ master
- , _and_ you can send
- json -> JSON
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