[HBASE-18494] [AMv2] Modify LoadBalancer to consider highest versioned Region Servers as favorites for system table regions

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.0.0
• Fix Version/s: 3.0.0-alpha-1
• Component/s: amv2
• Labels: rolling_upgrade
• Assignee: Umesh Agashe
• Reporter: Umesh Agashe
• Created: 01/Aug/17 18:48
• Updated: 26/Jun/18 06:20

Description

Modify LoadBalancer to consider highest versioned Region Servers as favorites for system table regions. Will help with rolling upgrade.

Issue Links

• is related to: HBASE-17931 Assign system tables to servers with highest version
• is related to: HBASE-19997 [rolling upgrade] 1.x => 2.x
• relates to: HBASE-18366 Fix flaky test hbase.master.procedure.TestServerCrashProcedure#testRecoveryAndDoubleExecutionOnRsWithMeta