Hi Aseem! Not sure if you have had a look at the BigTable paper by google, great bedtime reading material to understand how HBase works.
On Mon, Apr 13, 2009 at 7:12 AM, Puri, Aseem <aseem.p...@honeywell.com>wrote: > Hi > > I am new HBase user. I have some doubts regards > functionality of HBase. I am working on HBase, things are going fine but > I am not clear how are things happening. Please help me by answering > these questions. > > > > 1. I am inserting data in HBase table and all regions get balanced > across various Regionservers. But what will happens when data increases > and there is not enough space in Regionservers to accommodate all > regions. So I will like this that some regions in Regionserver and some > are at HDFS but not on Regionserver or HBase Regioservers stop taking > new data? > > > > > 2. When I insert data in HBase table, 3 to 4 mapfiles are generated > for one category, but after some time all mapfiles combines as one file. > Is this we call minor compaction actually? > > > > 3. For my application where I will use HBase will have updates in a > table frequently. Should is use some other database as a intermediate to > store data temporarily like MySQL and then do bulk update on HBase or > should I directly do updates on HBase. Please tell which technique will > be more optimized in HBase? > > > > Thanks & Regards > > Aseem Puri > >
