[HBASE-8497] Protobuf WAL also needs a trailer

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.95.1
• Fix Version/s: 0.98.0, 0.95.1
• Component/s: Protobufs, wal
• Hadoop Flags: Reviewed
• Assignee: Himanshu Vashishtha
• Reporter: Enis Soztutar
• Created: 06/May/13 18:38
• Updated: 23/Sep/13 19:08
• Resolved: 24/May/13 20:50

Description

New Protobuf WAL has a header, but we will probably need a trailer as well, reserved for later usage.

Right now, we can we just serialize an empty trailer, but putting more metadata there, like range of sequence_id's, region names, table names etc might be needed in the future.

Issue Links

• relates to: HBASE-6774 Immediate assignment of regions that don't have entries in HLog