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HBase >> mail # user >> How to speedup Hbase query throughput


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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
>