Hi Rakhi! On Wed, Aug 12, 2009 at 11:49 AM, Rakhi Khatwani <rkhatw...@gmail.com>wrote:
> Hi, > I am not very clear as to how does the mem cache thing works. MemCache was a name that was used and caused some confusion of what the purpose of it is. It has now been renamed to MemStore and is basically a write buffer that gets flushed to disk/HDFS when it is too big. > > 1. When you set memcache to say 1MB, does hbase write all the table > information into some cache memory and when the size reaches IMB, it writes > into hadoop and after that the replication takes place??? > So yeah, kinda > > 2. Is there any minimum limit on the mem cache property in hbase site?? > Not sure if there is a minimum limit but have a look at hbase-default .xml and you will see a bunch of settings for memStore > > Regards, > Raakhi Regards Erik