I followed this artical (http://gbif.blogspot.com/2012/07/optimizing-writes-in-hbase.html) and change below parameters.    Maximum Number of HStoreFiles Compaction : 20 HStore Blocking Store Files : 200 HBase Memstore Block Multiplier : 4 HBase Memstore Flush Size : 256  Hope this helps.   Thanks, Chathuri ... View more