[HBASE-4780] Lower mini cluster shutdown time in HRegionServer#waitOnAllRegionsToClose and ServerManager#letRegionServersShutdown

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.94.0
• Fix Version/s: 0.94.0
• Component/s: master, regionserver, test

Environment

all

• Hadoop Flags: Reviewed
• Assignee: Nicolas Liochon
• Reporter: Nicolas Liochon
• Created: 14/Nov/11 08:00
• Updated: 12/Oct/12 05:34
• Resolved: 14/Nov/11 22:50

Description

HRegionServer#waitOnAllRegionsToClose sleep 1s
Lower waiting time
benefits: around 0.8s at shutdown

ServerManager.letRegionServersShutdown() waits 1 second => responsible for 0.5 seconds in a HBase cluster stops
Can be replaced by a notification
Benefits: around 0.5s at shutdown

Issue Links

• is required by: HBASE-4602 Make the suite run in at least half the time