HBASE-8144 Limit number of attempts to assign a region

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1462213 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8063 Addendum adds HalfStoreFileReader#passesKeyRangeFilter()



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1462235 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8152 Avoid creating empty reference file when splitkey is outside the key range of a store file (clockfly)



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1462275 13f79535-47bb-0310-9956-ffa450edef68
Add note on running mlockall on startup to pin servers in physical mem

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1462296 13f79535-47bb-0310-9956-ffa450edef68