You may have read http://hbase.apache.org/book.html#perf.reading
For BlockCache, see this blog: http://www.n10k.com/blog/blockcache-101/ Cheers On Tue, Feb 25, 2014 at 11:03 AM, Upendra Yadav <[email protected]>wrote: > I have go through no. of documents/slides about HBase read/get operation... > But I have lot of broken links and question to clear view about how hbase > read operation happen... > > Like.... > Client Communicate to zookeeper and get region server where -ROOT- table > region reside...(And this is in memory) > > Then getting region server location for .META table region (And this is in > memory) > > Then location of region server where region of user table reside by > checking start and end rowkey with given GET operation rowkey... > > then will search 1st in memstore.... if found then return data > else > BlockCache.... if not then BloomFilter if negative then return not > found.... else > > read from hfile....(how i don't know.. please help me) > > Bloomfilter and BlockCache update and return data... > > Is this correct... Please suggest me some good document... > > Still i have doubt ... how BlockCache LRU works... >
