[ACCUMULO-4004] open WALs prevent DN decommissioning

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.6.6, 1.7.2, 1.8.0
• Component/s: tserver
• Assignee: Dave Marion
• Reporter: Eric C. Newton
• Created: 18/Sep/15 19:02
• Updated: 31/Oct/16 13:34
• Resolved: 31/Mar/16 20:36

Description

It should be possible to manually roll WALs so that files on decommissioning datanodes are closed and the decommissioning process can complete. At the very least, the logs could be closed after an elapsed period of time, such as an hour.

Issue Links

• is related to: ACCUMULO-4000 log recovery failed after hard reset
• is related to: HBASE-10319 HLog should roll periodically to allow DN decommission to eventually complete.
• relates to: ACCUMULO-4000 log recovery failed after hard reset
• relates to: ACCUMULO-4176 Add TSERV_WALOG_MAX_AGE property to 1.8 user manual
• links to: GitHub Pull Request #84
• links to: GitHub Pull Request #176