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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-11183) Timeline Consistent region replicas - Phase 2 design
Date Wed, 14 May 2014 23:45:41 GMT
Enis Soztutar created HBASE-11183:
-------------------------------------

             Summary: Timeline Consistent region replicas - Phase 2 design
                 Key: HBASE-11183
                 URL: https://issues.apache.org/jira/browse/HBASE-11183
             Project: HBase
          Issue Type: Sub-task
            Reporter: Enis Soztutar
            Assignee: Enis Soztutar


Now that Phase 1 of parent issue HBASE-10070 is mostly done, it is time to think about remaining
items in Phase 2 as per the design doc https://issues.apache.org/jira/secure/attachment/12616659/HighAvailabilityDesignforreadsApachedoc.pdf

Phase 2 will conclude the work and include at least the following major features: 
 - Async WAL Replication 
 - Replication Interface changes (HBASE-10504)
 - Replication should guarantee seqId order (for region moves and RS failure)
 - Flush / Compaction events should be written to WAL
 - Flush / Memstore handling from secondary regions
 - Region split / merge handling for replicated regions

In this issue, we can discuss the proposed design, and keep it as like a parent jira for Phase
2 work. We'll open subtasks agains the HBASE-10070 jira for individual patches. 





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