Github user vanzin commented on a diff in the pull request: https://github.com/apache/spark/pull/22504#discussion_r231346161 --- Diff: docs/configuration.md --- @@ -266,6 +266,40 @@ of the most common options to set are: Only has effect in Spark standalone mode or Mesos cluster deploy mode. </td> </tr> +<tr> + <td><code>spark.driver.log.dfsDir</code></td> + <td>(none)</td> + <td> + Base directory in which Spark driver logs are synced, if <code>spark.driver.log.persistToDfs.enabled</code> + is true. Within this base directory, each application logs the driver logs to an application specific file. + Users may want to set this to a unified location like an HDFS directory so driver log files can be persisted + for later usage. This directory should allow any Spark user to read/write files and the Spark History Server + user to delete files. Additionally, older logs from this directory are cleaned by + <a href="monitoring.html#spark-history-server-configuration-options"> Spark History Server</a> if + <code>spark.history.fs.driverlog.cleaner.enabled</code> is true and, if they are older than max age configured + at <code>spark.history.fs.driverlog.cleaner.maxAge</code>. --- End diff -- s/at/by setting
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