Re: query by column size

I have already secondary index on that column, but how to I query that column by size ? thanks chandra On Fri, Feb 13, 2015 at 3:30 AM, Marcelo Valle (BLOOMBERG/ LONDON) mvallemil...@bloomberg.net wrote: There is no automatic indexing in Cassandra. There are secondary indexes, but not for

query by column size

Greetings, I have one column family with 10 columns, one of the column we store xml/json. Is there a way I can query that column where size 50kb ? assuming I have index on that column. thanks CV.

Re: Moving from relational to Cassandra, how to handle intra-table relationships?

Hello, You can implement relations in couple of ways, JSON/XML and CQL collection Classes. Thanks Chandra On Tue, Jan 21, 2014 at 8:58 PM, Les Hartzman lhartz...@gmail.com wrote: True. Fortunately though in this application, the data is write-once/read-many. So that is one bullet I would

Re: Help me to find Compatable JDBC jar for Apache Cassandra 2.0.4

Did you put these jars in classpath ? cassandra-all-1.x.x.jar guarva jackson-core-asl jacckson-mapper-asl libthrift snappy slf4j-api metrics-core netty thanks Chandra On Wed, Jan 22, 2014 at 12:52 PM, Colin Clark co...@clark.ws wrote: Is the jar on the path? Is cassandra home set

Re: AddContractPoint /VIP

- Aaron Morton New Zealand @aaronmorton Co-Founder Principal Consultant Apache Cassandra Consulting http://www.thelastpickle.com On 7/12/2013, at 7:12 am, chandra Varahala hadoopandcassan...@gmail.com wrote: Greetings, I have 4 node cassandra cluster that will grow upt to 10 nodes,we

data export with different replication factor.

Greetings, I have 6 node cluster production cluster with replication factor of 3 with 4 keyspaces, and 1 Test cluster with 2 nodes , is there a way I can export data from production cluster and copy into test cluster with replication factor 1 ? Thanks Chandra

AddContractPoint /VIP

Greetings, I have 4 node cassandra cluster that will grow upt to 10 nodes,we are using CQL Java client to access the data. What is the good practice to put in the code as addContactPoint ie.,how many servers ? 1) I am also thinking to put this way here I am not sure this good or bad if i

replica verification

Hello Team, I have cassandra cluster with 5 nodes with 1 replication factor initially. Now i changed to replication factor 3 and ran nodetool repair. Is there way i can verify that i have 3 replicas ? Thanks Chandra

merge sstables

Hello , I have small size of sstables like 5mb around 2000 files. Is there a way i can merge into bigger size ? thanks chandra

Re: merge sstables

wrong on this. Faraaz On Thu, Jul 11, 2013 at 11:34:08AM -0700, chandra Varahala wrote: Hello , I have small size of sstables like 5mb around 2000 files. Is there a way i can merge into bigger size ? thanks chandra

Re: JNA not found.

I think you need Jna jar and jna-plaform jar in cassandra lib folder -chandra On Mon, Jan 28, 2013 at 10:02 PM, Tim Dunphy bluethu...@gmail.com wrote: I went to github to try to download jna again. I downloaded version 3.5.1 [root@cassandra-node01 cassandrahome]# ls -l lib/jna-3.5.1.jar

Re: JNA not found.

/jamm-0.2.5.jar Killed And still when I remove those library files cassandra starts without a problem exception the fact that it is not able to use JNA. I'd appreciate any input the list might have. Thanks Tim On Tue, Jan 29, 2013 at 8:54 AM, chandra Varahala hadoopandcassan...@gmail.com

Re: Denormalization

My experience we can design main column families and lookup column families. Main column family have all denormalized data,lookup column families have rowkey of denormalized column families's column. In users column family all user's denormalized data and lookup column family name like

Re: BulkOutputFormat

I am not reducers, just Map only job still same kind issue ? thanks chandra On Thu, Jan 17, 2013 at 1:50 PM, Michael Kjellman mkjell...@barracuda.comwrote: https://issues.apache.org/jira/browse/CASSANDRA-4813 Fixed in 1.2.0 Best, michael From: chandra Varahala hadoopandcassan