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MapReduce >> mail # user >> Counters implementation


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Re: Counters implementation
I found the following:

http://cloudfront.blogspot.com/2012/06/hbase-counters-part-i.html
http://palominodb.com/blog/2012/08/24/distributed-counter-performance-hbase-part-1

Which hbase version are you using ?

Cheers

On Mon, Nov 12, 2012 at 4:21 PM, Mesika, Asaf <[EMAIL PROTECTED]> wrote:

> Hi,
>
> Can anyone reference me to an article/blog detailing how Counters are
> implemented in HBase?
>
> We get very low throughput of batch of Increment relative to batch of Put,
> and I would like to investigate why, by understanding the basic workflow on
> updating a counter - does it use block-cache? Does it access disk (IO) on
> each Increment (to read latest value) ?
>
> Tnx,
>
> Asaf
>
>