Counters

I have a Counter defined as super column family *create column family TestCounter* *with column_type = Super* *and default_validation_class = CounterColumnType;* After i increment/decrement counter columns, cassandra-cli shows super column, column and key name as hex values, how do i get

Cassandra Meetup in San Francisco Bay Area

We are hosting a Cassandra meetup in BayArea. Jonathan will give a talk on Cassandra 0.7 The link to the meetup page is at http://www.meetup.com/Cassandra-User-Group-Meeting/ Thanks, Mubarak

Re: hazelcast

://www.facebook.com/germanklf http://ar.linkedin.com/in/germankondolf -- Thanks, Mubarak Seyed.

Design Question

/ *Solution #2: *Using some home-grown approach to store/maintain who is accessing what, meaning which job is accessing which row. Are there any other solutions to the above problem? Can someone please help me on validate the design? -- Thanks, Mubarak Seyed.

Flush and compaction happens frequently

? -- Thanks, Mubarak Seyed.

Java version for Cassandra-0.7.0-beta1

) -- Thanks, Mubarak Seyed.

Pig Integration

Does anyone try to get data from Super column family using grunt shell? The example pig script explains how to analyze data for standard column family. -- Thanks, Mubarak Seyed.

Re: CassandraBulkLoader

with a simpler scenario and leave out HDFS for now. cheers -- Torsten -- Thanks, Mubarak Seyed.

Re: StorageProxy.mutate

, Mubarak On Sun, Jul 18, 2010 at 5:42 AM, Jonathan Ellis jbel...@gmail.com wrote: UnavailableException means the node(s) with the requested data are down. A sub-case of this is when no nodes at all are known, which may be what you are seeing. On Sat, Jul 17, 2010 at 10:00 PM, Mubarak Seyed

StorageProxy.mutate

, Mubarak Seyed.

How to change the RF and repair

nodetool tpstats on all the nodes to verify AE-SERVICE-STAGE is completed and made sure that AE-SERVICE-STAGE is not active 6. Ran nodetool streams on all the nodes, made sure that streams are not active Can someone please correct me, if any of the above steps are wrong. -- Thanks, Mubarak Seyed.

Best Practices

Are there any best practices for Storage configurations, MemTable thresholds and Linux performance tuning to tune Cassandra nodes? -- Thanks, Mubarak Seyed.

Bootstrap Token collision

) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:619) -- Thanks, Mubarak Seyed.

Re: CassandraBulkLoader

13, 2010 at 04:35, Mubarak Seyed mubarak.se...@gmail.com wrote: Where can i find the documentation for BinaryMemTable (btm_example in contrib) to use CassandraBulkLoader? What is the input to be supplied to CassandraBulkLoader? How to form the input data and what is the format of an input

Cassandra Pig Integration

this issue? Thanks, Mubarak Seyed.

Hector - Java doc

Where can i find the java doc for Hector java client? Do i need to build one from source? -- Thanks, Mubarak Seyed.

Load balancing

HI All, I have a requirement that we have around 100 application server instances and all needs to write/read data from cassandra's cluster, the write data rate is around 300k records per instance (approximately 30 millions for 100 instances). - How does client (application) connect to