diff --git a/docs/running-on-mesos.md b/docs/running-on-mesos.md index 59a3e9d25b..6a9d304501 100644 --- a/docs/running-on-mesos.md +++ b/docs/running-on-mesos.md @@ -224,11 +224,11 @@ See the [configuration page](configuration.html) for information on Spark config
spark.mesos.executor.memoryOverhead
spark.executor.memory
, specified in MiB,
+ This value is an additive for spark.executor.memory
, specified in MB,
which is used to calculate the total Mesos task memory. A value of 384
- implies a 384MiB overhead. Additionally, there is a hard-coded 7% minimum
+ implies a 384MB overhead. Additionally, there is a hard-coded 10% minimum
overhead. The final overhead will be the larger of either
- `spark.mesos.executor.memoryOverhead` or 7% of `spark.executor.memory`.
+ `spark.mesos.executor.memoryOverhead` or 10% of `spark.executor.memory`.