diff options
-rw-r--r-- | docs/configuration.md | 11 | ||||
-rw-r--r-- | docs/running-on-yarn.md | 4 |
2 files changed, 10 insertions, 5 deletions
diff --git a/docs/configuration.md b/docs/configuration.md index 937852ffde..16d5be62f9 100644 --- a/docs/configuration.md +++ b/docs/configuration.md @@ -225,11 +225,14 @@ Apart from these, the following properties are also available, and may be useful <td>(none)</td> <td> A string of extra JVM options to pass to the driver. For instance, GC settings or other logging. + Note that it is illegal to set maximum heap size (-Xmx) settings with this option. Maximum heap + size settings can be set with <code>spark.driver.memory</code> in the cluster mode and through + the <code>--driver-memory</code> command line option in the client mode. <br /><em>Note:</em> In client mode, this config must not be set through the <code>SparkConf</code> directly in your application, because the driver JVM has already started at that point. Instead, please set this through the <code>--driver-java-options</code> command line option or in - your default properties file.</td> + your default properties file. </td> </tr> <tr> @@ -269,9 +272,9 @@ Apart from these, the following properties are also available, and may be useful <td>(none)</td> <td> A string of extra JVM options to pass to executors. For instance, GC settings or other logging. - Note that it is illegal to set Spark properties or heap size settings with this option. Spark - properties should be set using a SparkConf object or the spark-defaults.conf file used with the - spark-submit script. Heap size settings can be set with spark.executor.memory. + Note that it is illegal to set Spark properties or maximum heap size (-Xmx) settings with this + option. Spark properties should be set using a SparkConf object or the spark-defaults.conf file + used with the spark-submit script. Maximum heap size settings can be set with spark.executor.memory. </td> </tr> <tr> diff --git a/docs/running-on-yarn.md b/docs/running-on-yarn.md index ddc75a70b9..09701abdb0 100644 --- a/docs/running-on-yarn.md +++ b/docs/running-on-yarn.md @@ -342,7 +342,9 @@ If you need a reference to the proper location to put log files in the YARN so t <td>(none)</td> <td> A string of extra JVM options to pass to the YARN Application Master in client mode. - In cluster mode, use <code>spark.driver.extraJavaOptions</code> instead. + In cluster mode, use <code>spark.driver.extraJavaOptions</code> instead. Note that it is illegal + to set maximum heap size (-Xmx) settings with this option. Maximum heap size settings can be set + with <code>spark.yarn.am.memory</code> </td> </tr> <tr> |