HBASE-8597 compaction record (probably) can block WAL cleanup forever if region is closed without edits (Sergey)



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1486212 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8573 Store last flushed sequence id for each store of region for Distributed Log Replay

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1486221 13f79535-47bb-0310-9956-ffa450edef68
Add link to blog on hbase and ubuntu 127.0.1.1

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1486230 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8366 HBaseServer logs the full query

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1486232 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8420 Port HBASE-6874 Implement prefetching for scanners from 0.89-fb

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1486246 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-HBASE-8584-trunk-gd