HBASE-9716. LoadTestTool should provide default min and max settings to the data generator

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1534352 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8143 HBase on Hadoop 2 with local short circuit reads (ssr) causes OOM; DOC HOW TO AVOID

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1534504 13f79535-47bb-0310-9956-ffa450edef68