HBase Down Scaling

2017-02-09 Thread Devi Sunil Kumar Shegu
Hi, Please look into the following issue Scenario: 1) Created an AWS EMR HBASE cluster with 1 Master node and 2 Core(Slave) nodes 2) Created HBase table with 20 regions auto split across the 2 Core nodes 3) I downscaled my cluster to 1 Core node 4) The table doesn't seem to work Questions: Is it

Re: HBase Down Scaling

2017-02-09 Thread Devi Sunil Kumar Shegu
> > Which hbase release are you using ? > > Please pastebin relevant master log / region server log. > > Thanks > > > On Feb 9, 2017, at 3:50 AM, Devi Sunil Kumar Shegu < > sunil143d...@gmail.com> wrote: > > > > Hi, > > > > Please look into t

Re: HBase Down Scaling

2017-02-09 Thread Devi Sunil Kumar Shegu
; > I'm able to successfully scale my HBase clusters up and down (core and > task) on EMR. Can you please provide the logs in pastebin so that we can > help? > > On Feb 10, 2017 12:10 AM, "Devi Sunil Kumar Shegu" > > wrote: > > Hey Ted, > > Thanks for

HBase Performance

2017-02-10 Thread Devi Sunil Kumar Shegu
Hi , 1) I have 1 Master node and 1 Slave node 2) Created a table with the below query create 'my_table', 'u', { NUMREGIONS => 16, SPLITALGO => 'HexStringSplit'} 3) All the regions are in the single slave Node 4) Here is the table description {NAME => 'u', BLOOMFILTER => 'ROW', VERSIONS => '1', IN

Re: HBase Performance

2017-02-10 Thread Devi Sunil Kumar Shegu
for reads, consider using BucketCache. Cheers > On Feb 10, 2017, at 2:22 AM, Devi Sunil Kumar Shegu < sunil143d...@gmail.com> wrote: > > Hi , > > 1) I have 1 Master node and 1 Slave node > 2) Created a table with the below query > create 'my_table', '

Scan and Get - different results

2017-03-02 Thread Devi Sunil Kumar Shegu
Hi, Scan and get are yielding different results for the same column even when versioning is disabled. Thanks in advance and please check the details below Description of the table: {NAME => 'u', BLOOMFILTER => 'ROW', VERSIONS => '1', IN_MEMORY => 'false', KEEP_DELETED_CELLS => 'FALSE', DATA_BLO