Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/3736#discussion_r22078172
--- Diff:
core/src/main/scala/org/apache/spark/deploy/history/HistoryServer.scala ---
@@ -158,11 +158,15 @@ class HistoryServer(
/**
* The recommended way of starting and stopping a HistoryServer is through
the scripts
- * start-history-server.sh and stop-history-server.sh. The path to a base
log directory
- * is must be specified, while the requested UI port is optional. For
example:
+ * start-history-server.sh and stop-history-server.sh. The path to a base
log directory,
+ * as well as any other relevant history-server configuration, should be
specified via
+ * the $SPARK_HISTORY_OPTS environment variable. For example:
*
- * ./sbin/spark-history-server.sh /tmp/spark-events
- * ./sbin/spark-history-server.sh hdfs://1.2.3.4:9000/spark-events
+ * export
SPARK_HiSTORY_OPTS="-Dspark.history.fs.logDirectory=/tmp/spark-events"
+ * ./sbin/start-history-server.sh
--- End diff --
can you make this more terse
```
SPARK_HISTORY_OPTS=" -Dspark.history.fs.logDirectory=/tmp/spark-events"
./sbin/start-history-server.sh
SPARK_HISTORY_OPTS="
-Dspark.history.fs.logDirectory=hdfs:/tmp/spark-events"
./sbin/start-history-server.sh
```
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