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https://issues.apache.org/jira/browse/CASSANDRA-6852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13933466#comment-13933466
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Cyril Scetbon edited comment on CASSANDRA-6852 at 3/14/14 8:44 AM:
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I don't think the original JIRA can really help me :(
I understand that you chose to not repair -pr on a node not storing data for 
one keyspace. However here is my problem or show me I'm wrong: 
http://pastebin.com/VrDnWvAu

So the incriminated node owns 10.1% of the tokens which seem to be responsible 
for rows in keyspace ks1. However as ks1 is not replicated to that node, how 
can I repair it without a FULL REPAIR on all nodes ? 

At the beginning I thought like [~jjordan] when I read his 
[comment|https://issues.apache.org/jira/browse/CASSANDRA-5424?focusedCommentId=13673260&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13673260].
 However I can see that tokens on the incriminated node (not replicating data 
for ks1) are referring rows ... I suppose it's what we call primary ranges and 
if not why do I find ks1's data for those tokens ? 


was (Author: cscetbon):
I don't think the original JIRA can really help me :(
I understand that you chose to not repair -pr on a node not storing data for 
one keyspace. However here is my problem or show me I'm wrong: 
http://pastebin.com/VrDnWvAu

So the incriminated node owns 10.1% of the tokens which seem to be responsible 
for rows in keyspace ks1. However as ks1 is not replicated to that node, how 
can I repair it without a FULL REPAIR on all nodes ? 

At the beginning I thought like [~jjordan] when I read his 
[comment|https://issues.apache.org/jira/browse/CASSANDRA-5424?focusedCommentId=13673260&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13673260].
 However I can see that tokens on the incriminated node (not replicating data 
for ks1) is referring rows ... I suppose it's what we call primary ranges and 
if not why do I find ks1's data for those tokens ? 

> can't repair -pr part of data when not replicating data everywhere (multiDCs)
> -----------------------------------------------------------------------------
>
>                 Key: CASSANDRA-6852
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6852
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Cyril Scetbon
>              Labels: multi-dcs, ranges, repair
>
> Our environment is as follows :
> - 3 DCS : dc1,dc2 and dc3
> - replicate all keyspaces to dc1 and dc2
> - replicate a few keyspaces to dc3 as we have less hardware and use it for 
> computing statistics
> We use repair -pr everywhere regularly. FYI, a full repair takes almost 20 
> hours per node. The matter is that we can't use "repair -pr" anymore for 
> tokens stored on dc3 concerning keyspaces not replicated. We should have a 
> way to repair those ranges without doing a FULL REPAIR everywhere



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