[HDFS-1861] Rename dfs.datanode.max.xcievers and bump its default value

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.22.0, 0.23.0
• Component/s: datanode
• Hadoop Flags: Reviewed
• Assignee: Eli Collins
• Reporter: Eli Collins
• Created: 23/Apr/11 06:50
• Updated: 15/Nov/11 00:53
• Resolved: 26/Apr/11 03:30

Description

Reasonably sized jobs and HBase easily exhaust the current default for dfs.datanode.max.xcievers. 4096 works better in practice.

Let's also deprecate it in favor of a more intuitive name, eg dfs.datanode.max.receiver.threads.