Sever, I'd say that the wiki page is incomplete when discussing bloom
filters. The HBase Reference Guide
http://hbase.apache.org/book.html#schema.bloom
provides a much better explanation of the different bloom filter options.
~ Minh
On Thu, Jun 28, 2012 at 9:54 AM, Sever Fundatureanu
wrote
Thanks, Minh.
This blog also mentions that bloom filters check "if a given column exists
in a given row". However in "HBase: The definitive guide" it is mentioned
that "enabling the Bloom filter does give you the immediate advantage of
knowing if a file contains a particular row key or not". Is the
Sever, the IN_MEMORY option doesn't change when table content is
transferred into RAM. Whether set to true or false, the blocks of
data are only loaded into memory after a normal retrieval operation.
When IN_MEMORY is set to true, HBase just tries to keep data in memory
more aggressively than it n
Hello,
I initially created a table without the IN_MEMORY option enabled and loaded
some data into it. Then I disabled it, modified the IN_MEMORY option using
the hbase shell 'alter' command, re-enabled it and finally ran a major
compaction. I do notice now the memory usage of the region servers ha