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Cassandra error while processing message

Hi All, Help needed on the following front. In my Cassandra node logs I can see the following error: CustomTThreadPoolServer.java (line 201) Thrift error occurred during processing of message. org.apache.thrift.protocol.TProtocolException: Missing version in readMessageBegin, old client?

RE: Cassandra error while processing message

Hector : 1.0.0.1 Cassandra: 1.0.3 From: Tiwari, Dushyant (ISGT) Sent: Thursday, June 14, 2012 2:16 PM To: user@cassandra.apache.org Subject: Cassandra error while processing message Hi All, Help needed on the following front. In my Cassandra node logs I can see the following error

RE: Exceptions related to thrift transport

@aaronmorton http://www.thelastpickle.com On 22/03/2012, at 12:02 AM, Tiwari, Dushyant wrote: Hi Cassandra Users, A couple of questions on the server side exceptions that I see sometimes - 1. org.apache.thrift.TException: Message length exceeded: 134218240 * How to configure message length

RE: Exceptions related to thrift transport

client? What version of hector are you using ? Cheers - Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 22/03/2012, at 12:02 AM, Tiwari, Dushyant wrote: Hi Cassandra Users, A couple of questions on the server side exceptions that I see sometimes

RE: Mutation Dropped Messages

the node. Is this due to some improper load balancing? What does nodetool ring say and what sort of queries (and RF and CL) are you sending. Cheers - Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 6/03/2012, at 3:58 AM, Tiwari, Dushyant wrote: Hey

Mutation Dropped Messages

Hi All, While benchmarking Cassandra I found Mutation Dropped messages in the logs. Now I know this is a good old question. It will be really great if someone can provide a check list to recover when such a thing happens. I am looking for answers of the following questions - 1. Which

Secondary indexes and cardinality

Hi Cassandra Users, Heard that indexing a field with high cardinality is not good. If we create a CF to store the index information like indexed field as key and the keys of original CF as cols in the row. Will there be any performance improvement? Is this the way secondary indexes are

Hector and batch mutation

Hi Guys, A very trivial question on batch mutation provided by Hector. Is the execution of the batch sequential? (in the order data is added). Also say there are 10 operations in a batch and 3rd fails will it try the remaining 7? Is execution of batch mutator multi threaded ? Regards,

RE: Secondary indexes and cardinality

://www.datastax.com/docs/0.7/data_model/cfs_as_indexes#indexes Having 10 million columns in a row is not a problem by itself. It depends on how you want to read things. Cheers - Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 14/02/2012, at 1:11 AM, Tiwari, Dushyant

Index and schema review

Hi Cassandra Users, I am considering Cassandra as the main data store. Just a quick description of the entity structure that we are looking at to store/design schema for. So we have 3 entities A,B and C. A has one to many relationship with B and similar is true for B and C. Hence this gives us