This generally happens when the same block is accessed for the HFile. Are you seeing any contention on the HDFS side?
Regards Ram On Thu, May 16, 2013 at 4:19 PM, Bing Jiang <jiangbinglo...@gmail.com>wrote: > Have you checked your HBase environment? I think it perhaps come from: > 1) System uses more swap frequently when your continue to execute Gets > operation? > 2) check the setting "hfile.block.cache.size" in your hbase-site.xml. > > >
