Home | About | Sematext search-lucene.com search-hadoop.com
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
 Search Hadoop and all its subprojects:

Switch to Threaded View
HBase >> mail # user >> How to speedup Hbase query throughput


Copy link to this message
-
Re: How to speedup Hbase query throughput
I had asked the question about how he created random keys... Hadn't seen a response.

Sent from a remote device. Please excuse any typos...

Mike Segel

On May 18, 2011, at 11:27 PM, Stack <[EMAIL PROTECTED]> wrote:

> On Wed, May 18, 2011 at 5:11 PM, Weihua JIANG <[EMAIL PROTECTED]> wrote:
>> All the DNs almost have the same number of blocks. Major compaction
>> makes no difference.
>>
>
> I would expect major compaction to even the number of blocks across
> the cluster and it'd move the data for each region local to the
> regionserver.
>
> The only explanation that I can see is that the hot DNs must be
> carrying the hot blocks (The client querys are not random).  I do not
> know what else it could be.
>
> St.Ack
>
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