phoenix-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Josh Elser <>
Subject Re: split count for mapreduce jobs with PhoenixInputFormat
Date Wed, 30 Jan 2019 15:31:41 GMT
You can extend/customize the PhoenixInputFormat with your own code to 
increase the number of InputSplits and Mappers.

On 1/30/19 6:43 AM, Edwin Litterst wrote:
> Hi,
> I am using PhoenixInputFormat as input source for mapreduce jobs.
> The split count (which determines how many mappers are used for the job) 
> is always equal to the number of regions of the table from where I 
> select the input.
> Is there a way to increase the number of splits? My job is running too 
> slow with only one mapper for every region.
> (Increasing the number of regions is no option.)
> regards,
> Eddie

View raw message