Re: Hbase Timestamp Queries

2015-06-10 Thread Krishna Kalyan
GMT+03:00 Ted Yu : > > Is HBaseStorage class in hbase repo ? > > > > I can't find it in 0.98 or hbase-1 branches. > > > > Cheers > > > > On Tue, Jun 9, 2015 at 3:51 AM, Krishna Kalyan > > > wrote: > > > >> Yes you can. Hav

Re: Hbase Timestamp Queries

2015-06-09 Thread Krishna Kalyan
Yes you can. Have a look at the HBaseStorage class. On 9 Jun 2015 1:04 pm, "Talat Uyarer" wrote: > Hi, > > Can I use HBase's timestamps to gettting rows greater/smaller than > this timestamp . Is it possible ? > > Thanks > > -- > Talat UYARER > Websitesi: http://talat.uyarer.com > Twitter: http:/

Re: Questions related to HBase general use

2015-05-13 Thread Krishna Kalyan
I know that BigInsights comes with BigSQL which interacts with HBase as well, have you considered that option. We have a similar use case using BigInsights 2.1.2. On Thu, May 14, 2015 at 4:56 AM, Nick Dimiduk wrote: > + Swarnim, who's expert on HBase/Hive integration. > > Yes, snapshots may be

Incorrect Dump using HBase Storage Class

2014-12-28 Thread Krishna Kalyan
Hi, Happy holidays :). I have 2 different pig scripts with the statement below (1) GeoRef_IP = LOAD '$TBL_GEOGRAPHY' USING org.apache.pig.backend.hadoop.hbase.HBaseStorage('cf_data:cq_geog_id cf_data:cq_pc_sector cf_data:cq_district_code cf_data:cq_postal_town cf_data:cq_postal_county cf_data:cq_mo

Re: Unable to fetch data from HBase.

2014-11-27 Thread Krishna Kalyan
Restart your zookeeper. Restart your HBase. This might be a short term fix. Thanks, Krishna On Thu, Nov 27, 2014 at 7:57 PM, wrote: > Hi, > > The issue reported earlier is resolved, I now have a new issue. > > When I execute "list" command from the hbase shell, I am getting the > following err

Re: Version in HBase

2014-11-13 Thread Krishna Kalyan
> > -Anoop- > > On Wed, Nov 12, 2014 at 11:17 AM, Krishna Kalyan > > wrote: > > > For Example for table 'test_table', Values inserted are: > > > > Row1 - Val1 => t > > Row1 - Val2 => t + 3 > > Row1 - Val3 => t + 5 > > >

Re: Version in HBase

2014-11-11 Thread Krishna Kalyan
3 Row2 - Val2 => t + 3 How do i achieve time stamp based scans?. Thanks and Regards, Krishna On Wed, Nov 12, 2014 at 10:56 AM, Krishna Kalyan wrote: > Hi, > Is it possible to do a > select * from where version = "somedate" ; using HBase APIs?. > (Scanning for va

Version in HBase

2014-11-11 Thread Krishna Kalyan
Hi, Is it possible to do a select * from where version = "somedate" ; using HBase APIs?. (Scanning for values where version <= "somedate" ) Could you please direct me to appropriate links to achieve this?. Regards, Krishna

Re: how to design hbase schema?

2014-11-02 Thread Krishna Kalyan
Some Resources http://hbase.apache.org/book/schema.casestudies.html http://www.slideshare.net/cloudera/5-h-base-schemahbasecon2012 http://www.evanconkle.com/2011/11/hbase-tutorial-creating-table/ http://www.slideshare.net/hmisty/20090713-hbase-schema-design-case-studies On Sun, Nov 2, 2014 at 6:53

Re: Duplicate Value Inserts in HBase

2014-10-21 Thread Krishna Kalyan
arc Spaggiari > Date:10/21/2014 9:02 AM (GMT-05:00) > To: user > Cc: > Subject: Re: Duplicate Value Inserts in HBase > > You can do check and puts to validate if value is already there, but it's > slower... > > 2014-10-21 8:50 GMT-04:00 Krishna Kalyan : >

Re: Duplicate Value Inserts in HBase

2014-10-21 Thread Krishna Kalyan
n-m...@spaggiari.org> wrote: > Hi Krishna, > > HBase will store them in the same row, same cell but you will have 2 > versions. If you want to keep just one, setup the version=1 on the table > side and only one will be stored. Is that what yo mean? > > JM > > 2014-10-21 8:29 GM

Duplicate Value Inserts in HBase

2014-10-21 Thread Krishna Kalyan
Hi, I have a HBase table which is populated from pig using PigStorage. While inserting, suppose for rowkey i have a duplicate value. Is there a way to prevent an update?. I want to maintain the version history for my values which are unique. Regards, Krishna

Re: Pig HBase integration

2014-09-28 Thread Krishna Kalyan
can use hbase table directly in join. > > > 2014-09-28 17:02 GMT+04:00 Krishna Kalyan : > >> >> We actually have 2 data sets in HDFS, location (3-5 GB, approx 10 columns >> in each record) and weblog (2-3 TB, approx 50 columns in each record). We >> need to j

Re: Pig HBase integration

2014-09-28 Thread Krishna Kalyan
minutes to bulk load 500.000.000 records to 10-nodes hbase with presplitted > table. > > 2014-09-28 16:04 GMT+04:00 Krishna Kalyan : > >> Thanks Serega, >> >> Our usecase details: >> We have a location table which will be stored in HBase with locationID as >>

Re: Pig HBase integration

2014-09-28 Thread Krishna Kalyan
ommendation. I have no idea about your task details > > 2014-09-27 7:32 GMT+04:00 Krishna Kalyan : > > > Hi, > > We have a use case that involves ETL on data coming from several > different > > sources using pig. > > We plan to store the final output table in HBase

Pig HBase integration

2014-09-26 Thread Krishna Kalyan
Hi, We have a use case that involves ETL on data coming from several different sources using pig. We plan to store the final output table in HBase. What will be the performance impact if we do a join with an external CSV table using pig?. Regards, Krishna