Re: Ruby, CQL and client libraries

2011-12-05 Thread Robert Jackson
com/1185026 [4] - https://gist.github.com/1363336 Robert Jackson

Re: Continuous export of data out of database

2011-11-15 Thread Robert Jackson
and it was unavailable (the read/write would fail). Unfortunately , I can't think of another solution with Cassandra itself. You could use some sort of client side queueing and keep the two clusters separated completely. This would probably add quite a bit of complexity to your app...

Re: Continuous export of data out of database

2011-11-15 Thread Robert Jackson
. [1] - http://www.datastax.com/dev/blog/deploying-cassandra-across-multiple-data-centers Robert Jackson - Original Message - | From: "A J" | To: user@cassandra.apache.org | Sent: Tuesday, November 15, 2011 11:20:33 AM | Subject: Continuous export of data out of databas

Re: Will writes with < ALL consistency eventually propagate?

2011-11-08 Thread Robert Jackson
ty well documented/explained or is | this a black box that I am slowly wading into? Take a look at: http://www.datastax.com/dev/blog/deploying-cassandra-across-multiple-data-centers Robert Jackson

Re: Second Cassandra users survey

2011-11-06 Thread Robert Jackson
ing of columns for a given row-key. To take that even further if we could couple that ability with the current composite column functionality then we could get an efficient count of columns containing a particular prefix. Robert Jackson

Re: Is Cassandra suitable for this use case?

2011-08-25 Thread Robert Jackson
titled "Introduction to Brisk" that reviews some of the HDFS compatibility. [1] http://www.datastax.com/events/cassandrasf2011/presentations Robert Jackson - Original Message - From: "Ruby Stevenson" To: user@cassandra.apache.org Sent: Thursday, August

Re: Is Cassandra suitable for this use case?

2011-08-25 Thread Robert Jackson
I believe this is conceptually similar to what Brisk is doing under CassandraFS (HDFS compliant file system on top of cassandra). Robert Jackson [1] - https://github.com/riptano/brisk - Original Message - From: "Sasha Dolgy" To: user@cassandra.apache.org Sent: Thursd

Re: get_range_slices( start=null, end=null ) ??

2011-08-04 Thread Robert Jackson
You should be able to specify the count parameter to your KeyRange and just use the last key returned as your start_key for the next "page". Sent from my iPhone On Aug 4, 2011, at 5:00 PM, Yang wrote: > our keyspace is really not that big, > about 1million rows, each about 500 bytes > > but

Re: Loading Keyspace from YAML in 0.8

2011-06-03 Thread Robert Jackson
:1}]; use Twitter; create column family Users with comparator = 'UTF8Type'; create column family UserAudits with comparator = 'UTF8Type'; See the DataStax documentation for more info: http://www.datastax.com/docs/0.8/cli/using_cli Robert Jackson - Original Mess

Re: How to make use of Cassandra raw row keys?

2011-05-25 Thread Robert Jackson
get_range it will continue querying in batches (of 100 by default) until the requested number of rows are returned. Hope this sheds some light on the cassandra gem internals... Robert Jackson Sent from my iPhone On May 25, 2011, at 6:22 PM, aaron morton wrote: > Hard to say exactly what

Re: "range query" vs "slice range query"

2011-05-25 Thread Robert Jackson
single query you will be returned all the rows where the returned row key's md5 is between the md5 of the start row key and stop row key. Reference: http://wiki.apache.org/cassandra/FAQ - " Why aren't range slices/sequential scans giving me the expected results?&qu

Re: Specifying exact nodes for Consistency Levels

2011-05-02 Thread Robert Jackson
datacenter as described in the Brisk white paper. References: http://www.datastax.com/docs/0.7/operations/datacenter http://www.datastax.com/wp-content/uploads/2011/03/WP-Brisk.pdf Robert Jackson - Original Message - From: "A J" To: user@cassandra.apache.org Sent: Mon

Re: 0.8.0 thrift api?

2011-04-23 Thread Robert Jackson
I have been using: https://github.com/apache/cassandra/blob/cassandra-0.8/interface/cassandra.thrift And yes both the CQL and the counter API are accessible via Thrift. Robert Jackson - Original Message - From: "Michael Fortin" To: user@cassandra.apache.org Sent