http://mail-archives.apache.org/mod_mbox/cassandra-user/201309.mbox/%3C9AF3ADEDDFED4DDEA840B8F5C6286BBA@vig.local%3E

http://stackoverflow.com/questions/18872422/rpc-timeout-error-while-exporting-data-from-cql

Google for more.


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From: ng [mailto:pipeli...@gmail.com]
Sent: Wednesday, April 2, 2014 6:04 PM
To: user@cassandra.apache.org
Subject: Exporting column family data to csv


I want to export all the data of particular column family to the text file from 
Cassandra cluster.

I tried

copy keyspace.mycolumnfamily to '/root/ddd/xx.csv';

It gave me timeout error

I tried below in Cassandra.yaml

request_timeout_in_ms: 10000000
read_request_timeout_in_ms: 10000000
range_request_timeout_in_ms: 10000000
truncate_request_timeout_in_ms: 10000000

I still have no luck. Any advise how to achieve this? I am NOT limited to copy 
command.  What is the best way to achieve this? Thanks in advance for the help.
ng

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