Sergey Shelukhin created HBASE-22290:
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Summary: add an option to replay WALs without splitting
Key: HBASE-22290
URL: https://issues.apache.org/jira/browse/HBASE-22290
Project: HBase
Issue Type: Bug
Reporter: Sergey Shelukhin
As is, on some FS it may be faster to have every RS concerned read the WALs
instead of splitting WALs first and then re-reading. Additionally, given that
WAL can often be held up by a slow-flushing/low-volume region, storing an
additional structure next to the WAL that is the same map that RS uses to
archive WALs (a mapping that allows one to determine which region needs which
WALs based on its last flush) can accelerate it even further for the common
case.
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