I think the main difference will be that by splitting on multiple rows, you will get the data evenly distributed on multiple nodes. On large data this is probably better.
.vegard, Sávio Teles <savio.te...@lupa.inf.ufg.br>: >Astyanax split large objects into multiple keys. Is it a good idea? It >is better >to split into multiple columns? > >Thanks > >2013/1/21 Sávio Teles <savio.te...@lupa.inf.ufg.br> > >> >> Thanks Keith Wright. >> >> >> 2013/1/21 Keith Wright <kwri...@nanigans.com> >> >>> This may be helpful: >>> https://github.com/Netflix/astyanax/wiki/Chunked-Object-Store >>> >>> From: Vegard Berget <p...@fantasista.no> >>> Reply-To: "user@cassandra.apache.org" <user@cassandra.apache.org>, >>> Vegard Berget <p...@fantasista.no> >>> Date: Monday, January 21, 2013 8:35 AM >>> To: "user@cassandra.apache.org" <user@cassandra.apache.org> >>> Subject: Re: How to store large columns? >>> >>> >>> >>> Hi, >>> >>> You could split it into multiple columns on the client side: >>> RowKeyData: Part1: [1mb], Part2: [1mb], Part3: [1mb]...PartN[1mb] >>> >>> Now you can use multiple get() in parallell to get the files back and >>> then join them back to one file. >>> >>> I _think_ maybe the new CQL3-protocol does not have the same limitation, >>> but I have never tried large columns there, so someone with more experience >>> than me will have to confirm this. >>> >>> .vegard, >>> >>> >>> ----- Original Message ----- >>> From: >>> user@cassandra.apache.org >>> >>> To: >>> <user@cassandra.apache.org> >>> Cc: >>> >>> Sent: >>> Mon, 21 Jan 2013 11:16:40 -0200 >>> Subject: >>> How to store large columns? >>> >>> >>> We wish to store a column in a row with size larger >>> thanthrift_framed_transport_size_in_mb >>> . But, Thrift has a maximum frame size configured by >>> thrift_framed_transport_size_in_mb in cassandra.yaml. >>> so, How to store columns with size larger than >>> thrift_framed_transport_size_in_mb? Increasing this value does not solve the >>> problem, since we have columns with varying sizes. >>> >>> -- >>> Atenciosamente, >>> Sávio S. Teles de Oliveira >>> voice: +55 62 9136 6996 >>> http://br.linkedin.com/in/savioteles >>> Mestrando em Ciências da Computação - UFG >>> Arquiteto de Software >>> Laboratory for Ubiquitous and Pervasive Applications (LUPA) - UFG >>> >>> >> >> >> -- >> Atenciosamente, >> Sávio S. Teles de Oliveira >> voice: +55 62 9136 6996 >> http://br.linkedin.com/in/savioteles >> Mestrando em Ciências da Computação - UFG >> Arquiteto de Software >> Laboratory for Ubiquitous and Pervasive Applications (LUPA) - UFG >> > > > >-- >Atenciosamente, >Sávio S. Teles de Oliveira >voice: +55 62 9136 6996 >http://br.linkedin.com/in/savioteles >Mestrando em Ciências da Computação - UFG >Arquiteto de Software >Laboratory for Ubiquitous and Pervasive Applications (LUPA) - UFG
