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 <[email protected]> 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 [[email protected]] > Sent: Wednesday, January 16, 2013 6:36 PM > To: [email protected] > 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 <[email protected]> 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 <[email protected] >> >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
