[HBASE-4260] Expose a command to manually trigger an HLog roll

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.92.0
• Component/s: regionserver, shell
• Hadoop Flags: Reviewed
• Release Note: Add an hlog_roll <SERVERNAME> to shell. Rolls wal logs on named server.
• Assignee: ramkrishna.s.vasudevan
• Reporter: Gary Helmling
• Created: 26/Aug/11 19:44
• Updated: 20/Nov/15 11:55
• Resolved: 08/Sep/11 04:24

Description

HBASE-4222 added a version of HLog.rollWriter() that allows "forcing" a log roll when requested. It would be useful to expose this as an HRegionInterface RPC method and provide a corresponding shell command to allow explicit log rolling when desired.