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https://issues.apache.org/jira/browse/CASSANDRA-5683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13784398#comment-13784398
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sankalp kohli commented on CASSANDRA-5683:
------------------------------------------

Timeouts will differ based on a combination of many things like operation 
time(read, write), consistency level(multi-DC or not) and whether it is a batch 
or single operation. 
Also you will want different timeouts for  multi-DC hops vs within the same DC. 
Instead of having so many properties for each combination, we should let client 
decide the timeout and should propagate that timeout. This is because client 
knows which combination it is using. We might also allow passing separate 
timeouts for within DC and multi-DC reads or writes. 
This will be very useful for reads as there is no point working on timed out 
queries. 

> Write timeout in multi-dc environment 
> --------------------------------------
>
>                 Key: CASSANDRA-5683
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5683
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.1.9
>         Environment: apache cassandra 1.1.9
>            Reporter: Boole Guo
>              Labels: write
>
> When writing in mutil-dc environment, there are many timeout exception. As I 
> know, this version have do good to reduce network bandwidth. Can we assign 
> rpc timeout when writing like consistenylevel?



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