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Cc: "user@hbase.apache.org" <user@hbase.apache.org>
From: Ted Yu <yuzhihong@gmail.com>
Subject: Re: Linear Scalability in HBase
Date: Thu, 24 Oct 2013 22:03:21 -0700
To: "user@hbase.apache.org" <user@hbase.apache.org>

How many YCSB clients were used in each setting ?

Thanks

On Oct 24, 2013, at 9:45 PM, Ramu M S <ramu.malur@gmail.com> wrote:

> Hi All,
> 
> I am running HBase 0.94.6 with 8 region servers and getting throughput of
> around 15K Read OPS and 20K Write OPS per server through YCSB tests. Table
> is pre created with 8 regions per region server and it has 120 million
> records of 700 bytes each.
> 
> I increased the number of region servers to 25,  pre created table with 8
> regions per region server and loaded 375 Million records. I'm getting a
> throughput of 12K Read OPS and 19K Write OPS per server. A drop of 20% per
> server for read and drop of 10% per server for write.
> 
> Distribution of load on region servers is even in all region server in both
> scenarios for read and write.
> 
> I wanted to understand if HBase does scale performance linearly? Any
> configurations I'm missing? Any factors that might affect this linear
> scalability?
> 
> Regards,
> Ramu