[SPARK-13482] `spark.storage.memoryMapThreshold` has two kind of the value.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.5.1, 1.6.0, 1.6.1, 2.0.0
• Fix Version/s: 1.6.1, 2.0.0
• Component/s: Block Manager, Spark Core
• Assignee: Zhaowei Huang Assign to me
• Reporter: Zhaowei Huang
• Created: 25/Feb/16 02:52
• Updated: 17/May/20 18:21
• Resolved: 25/Feb/16 07:52

Description

`spark.storage.memoryMapThreshold` has two kind of the value, one is 2*1024*1024 as integer and the other one is '2m' as string.
"2m" is recommanded in document but it will go wrong if the code goes into TransportConf#memoryMapBytes.
Useage of the `spark.storage.memoryMapThreshold`:

Issue Links

• links to: [Github] Pull Request #11360 (SaintBacchus)