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From "Alex Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6311) Update CqlPagingRecordReader to use the latest Cql pagination
Date Fri, 08 Nov 2013 19:30:17 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13817603#comment-13817603
] 

Alex Liu commented on CASSANDRA-6311:
-------------------------------------

Use Cassandra Java Driver 2.0 as client lib, create a custom LoadBalancingPolicy which only
sticks the load to the host specified during connection creation, so we can take advantage
of load locality. 

{code}
ProtocolOptions specify the security, compression, port
PoolingOptions specify CoreConnectionsPerHost, MaxConnectionsPerHost, 
                                      MaxSimultaneousRequestsPerConnectionThreshold, 
                                      MinSimultaneousRequestsPerConnectionThreshold
SocketOptions specify ConnectTimeoutMillis
                                     ReadTimeoutMillis
                                     KeepAlive
                                     ReuseAddress
                                     SoLinger
                                     TcpNoDelay
                                     ReceiveBufferSize
                                     SendBufferSize
QueryOptions specify  CL and FetchSize
{code}
       


> Update CqlPagingRecordReader to use the latest Cql pagination
> -------------------------------------------------------------
>
>                 Key: CASSANDRA-6311
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6311
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Hadoop
>            Reporter: Alex Liu
>            Assignee: Alex Liu
>             Fix For: 2.0.3
>
>
> Since the latest Cql pagination is done and it should be more efficient, so we need update
CqlPagingRecordReader to use it instead of the custom thrift paging.



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