what you see in bin/ is pretty much what you get. On Thu, May 6, 2010 at 9:39 AM, Dop Sun <su...@dopsun.com> wrote: > Is this feedback for my request on initializing data for Cassandra? :-) > > Basically, my question is whether there is a tool, like json2sstable, which > can import some data in a format which can be easily manual created. I don't > know the experience of other people, but what I'm currently doing is writing > a small application to write the data in. > > Dop > > -----Original Message----- > From: Jonathan Ellis [mailto:jbel...@gmail.com] > Sent: Thursday, May 06, 2010 10:25 PM > To: user@cassandra.apache.org > Subject: Re: How to initialize the Cassandra > > The simplest way is to just use thrift batch_mutate. > > If Cassandra CPU is your bottleneck then using the binary load method > from StorageProxy can help (see contrib/bmt_example). > > If Casssandra disk or network is your bottleneck then binary load > won't really help. > > On Thu, May 6, 2010 at 7:51 AM, Dop Sun <su...@dopsun.com> wrote: >> Hi, >> >> >> >> I just discovered that the json file exported by sstable2json contains > more >> than the data itself, like deletedAt values. >> >> >> >> I’m thinking whether there is a tool can import some initial data? >> >> >> >> When we are doing the typical RDBMS system, this is how we are doing: >> >> 1) Define the schema >> >> 2) Initialize the database with initial data using Insert statements >> >> 3) Running the application >> >> >> >> If following these steps in Cassandra: >> >> 1) Define the schema: this is done by define the KeySpace >> >> 2) Initialize the data with initial data: This is currently not > there. >> We can import data exported from existing installation, but not from > nothing >> >> 3) Running the application >> >> >> >> Thanks, >> >> Regards, >> >> Dop > > > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder of Riptano, the source for professional Cassandra support > http://riptano.com > > >
-- Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com
