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HBase >> mail # user >> hbase lookups in file, source location


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Re: hbase lookups in file, source location

Have you looked at any of the source code?

On 6/6/12 10:35 AM, "S Ahmed" <[EMAIL PROTECTED]> wrote:

>From what I understand each column family has its own file(s).
>
>When hbase lookups a cell in a column family, how does it perform the
>lookup? Is there an index on the file, or is it ordered?
>What algorithm is used?
>Does it load the entire column family file in memory, or scan it?
>
>I know the actual rows are ordered lexically, is it the same for column
>family qualifiers?
>
>If someone could also point me to the relevant files that would be great.
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB