No salting ? That may be an issue cause. Notice that hot region problem may occure and degrade performance a lot.
Thanks, Sun. CertusNet From: Yohan Bismuth Date: 2015-03-10 17:36 To: user Subject: Re: Phoenix table scan performance Hi thanks for your answer, we're not using data_block_encoding. Salting neither. After checking, i see that we currently have 20 to 36 regions per regionserver. This may not be a perfect balancing, but i'm not sure this is the root of all issues...