Hi Ashwanth,
My caching is set to 1500 ..

scan.setCaching(1500);
scan.setCacheBlocks(false);

Can i set the number of splits via an API?


On Mon, Aug 26, 2013 at 2:22 PM, Ashwanth Kumar <
[email protected]> wrote:

> To answer your question - Go to HBase Web UI and you can initiate a manual
> split on the table.
>
> But, before you do that. May be you can try increasing your client caching
> value (hbase.client.scanner.caching) in your Job.
>
>
> On Mon, Aug 26, 2013 at 2:09 PM, Pavan Sudheendra <[email protected]
> >wrote:
>
> > What is the input split of the HBase Table in this job status?
> >
> > map() completion: 0.0
> > reduce() completion: 0.0
> > Counters: 24
> >         File System Counters
> >                 FILE: Number of bytes read=0
> >                 FILE: Number of bytes written=216030
> >                 FILE: Number of read operations=0
> >                 FILE: Number of large read operations=0
> >                 FILE: Number of write operations=0
> >                 HDFS: Number of bytes read=116
> >                 HDFS: Number of bytes written=0
> >                 HDFS: Number of read operations=1
> >                 HDFS: Number of large read operations=0
> >                 HDFS: Number of write operations=0
> >         Job Counters
> >                 Launched map tasks=1
> >                 Data-local map tasks=1
> >                 Total time spent by all maps in occupied slots (ms)=3332
> >         Map-Reduce Framework
> >                 Map input records=45570
> >                 Map output records=45569
> >                 Map output bytes=4682237
> >                 Input split bytes=116
> >                 Combine input records=0
> >                 Combine output records=0
> >                 Spilled Records=0
> >                 CPU time spent (ms)=1142950
> >                 Physical memory (bytes) snapshot=475811840
> >                 Virtual memory (bytes) snapshot=1262202880
> >                 Total committed heap usage (bytes)=370343936
> >
> >
> > My table has 80,000 rows..
> > Is there any way to increase the number of input splits since it takes
> > nearly 30 mins for the map tasks to complete.. very unusual.
> >
> >
> >
> > --
> > Regards-
> > Pavan
> >
>
>
>
> --
>
> Ashwanth Kumar / ashwanthkumar.in
>



-- 
Regards-
Pavan

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