Project Panthera seems to serve your use case well. You can refer to http://mail-archives.apache.org/mod_mbox/hadoop-common-user/201209.mbox/%3c521452fcf7acde4795c7e150d240afca0fde1...@shsmsx102.ccr.corp.intel.com%3E
On Jan 16, 2013, at 5:38 AM, Mohammad Tariq <donta...@gmail.com> wrote: > @Anoop sir : Does it make sense to extract the timestamp of JSON > object beforehand and use it as the rowkey? After that serialize the > JSON object and store it in the Hbase cell. Gets would a lot faster > then??? > > Warm Regards, > Tariq > https://mtariq.jux.com/ > cloudfront.blogspot.com > > > On Wed, Jan 16, 2013 at 7:02 PM, Imran M Yousuf <imyou...@gmail.com> wrote: > >> We have used Jackson library for converting Java Object to JSON String >> and eventually to byte[] and vice-versa; but that is not scan/query >> friendly, so we integrated Apache Solr to the stack to get that done. >> http://smart-cms.org >> >> Thank you, >> >> Imran >> >> On Wed, Jan 16, 2013 at 7:27 PM, Anoop Sam John <anoo...@huawei.com> >> wrote: >>>> Such as I can directly say Mongodb to get me >>> all the objects having timestamp value of xxx date where timestamp is a >>> field in Json objects stored in Mongodb >>> >>> It is possible to store any data in HBase which can be converted into >> byte[]. Yes using filters one can perform above kind of query. There is no >> built in filter for above kind of need but custom one can be created. But >> remember that there is no built in secondary indexing capability in HBase. >> Here by I can see you have a need for indexing a part of column value. >> [timestamp is a field in Json objects ] >>> >>> -Anoop- >>> ________________________________________ >>> From: Panshul Whisper [ouchwhis...@gmail.com] >>> Sent: Wednesday, January 16, 2013 6:36 PM >>> To: user@hbase.apache.org >>> Subject: Re: Hbase as mongodb >>> >>> Hello Tariq, >>> >>> Thank you for the reply. >>> >>> My concern is that I have been working with MongoDB, but now I am >> switching >>> over to Hadoop and I want to use HBase for certain reasons. I was >> wondering >>> if I can store Json files in Hbase in a way that I can query the Json >> files >>> in Hbase as I can in Mongodb. Such as I can directly say Mongodb to get >> me >>> all the objects having timestamp value of xxx date where timestamp is a >>> field in Json objects stored in Mongodb. Can I perform similar operations >>> on Hbase or does it have another approach for doing similar operations. >>> I do not have much knowledge on Hbase yet. I am beginning to learn it, >> but >>> I just want to be sure i am investing my time in the right direction. >>> >>> Thank you so much for the help, >>> >>> Regards, >>> Panshul. >>> >>> >>> On Wed, Jan 16, 2013 at 11:45 AM, Mohammad Tariq <donta...@gmail.com> >> wrote: >>> >>>> Hello Panshul, >>>> >>>> Hbase and MongoDB are built to serve different purposes. You >> can't >>>> replace one with the other. They have different strengths and >> weaknesses. >>>> So, if you are using Hbase for something, think well before switching to >>>> MongoDB or vice verca. >>>> >>>> Coming back to the actual question, you can store anything which can be >>>> converted into a sequence of bytes into Hbase and query it. Could you >>>> please elaborate your problem a bit?It will help us to answer your >> question >>>> in a better manner. >>>> >>>> Warm Regards, >>>> Tariq >>>> https://mtariq.jux.com/ >>>> cloudfront.blogspot.com >>>> >>>> >>>> On Wed, Jan 16, 2013 at 4:03 PM, Panshul Whisper <ouchwhis...@gmail.com >>>>> wrote: >>>> >>>>> Hello, >>>>> >>>>> Is it possible to use hbase to query json documents in a same way as >> we >>>> can >>>>> do with Mongodb >>>>> >>>>> Suggestions please. >>>>> If we can then a small example as how.. not the query but the process >>>>> flow.. >>>>> Thanku so much >>>>> Regards, >>>>> Panshul. >>> >>> >>> >>> -- >>> Regards, >>> Ouch Whisper >>> 010101010101 >> >> >> >> -- >> Imran M Yousuf >> Entrepreneur & CEO >> Smart IT Engineering Ltd. >> Dhaka, Bangladesh >> Twitter: @imyousuf - http://twitter.com/imyousuf >> Blog: http://imyousuf-tech.blogs.smartitengineering.com/ >> Mobile: +880-1711402557 >> +880-1746119494 >>
