[HDFS-5201] NativeIO: consolidate getrlimit into NativeIO#getMemlockLimit

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: HDFS-4949
• Fix Version/s: HDFS-4949
• Component/s: datanode
• Target Version/s: HDFS-4949
• Hadoop Flags: Reviewed
• Assignee: Colin McCabe
• Reporter: Colin McCabe
• Created: 13/Sep/13 20:42
• Updated: 14/Sep/13 00:22
• Resolved: 14/Sep/13 00:22

Description

Let's consolidate NativeIO#POSIX#getrlimit into NativeIO#getMemlockLimit. This avoids a few issues with the current function: it is not available on Windows, it relied on Linux-specific constants, and it currently returns a string which has to be parsed rather than a long.

Issue Links

• relates to: HDFS-5049 Add JNI mlock support