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From Arvinder Dhillon <dhillona...@gmail.com>
Subject Re: nodetool repair -pr
Date Fri, 08 Jun 2018 17:46:24 GMT
It depends on your data model. -pr only repair primary range. So if there
is a keyspace with replication 'DC2:3', and you run repair -pr only on all
nodes of DC1, it is not going to repair token ranges corsponding to DC2. So
you will have to run on each node.

-Arvinder

On Fri, Jun 8, 2018, 8:42 PM Igor Zubchenok <igor@zubchenok.com> wrote:

> According docs at
> http://cassandra.apache.org/doc/latest/operating/repair.html?highlight=single
>
>
> *The -pr flag will only repair the “primary” ranges on a node, so you can
> repair your entire cluster by running nodetool repair -pr on each node in
> a single datacenter.*
> But I saw many places, where it is noted that I should run it at ALL data
> centers.
>
> Looking for a qualified answer.
>
>
> On Fri, 8 Jun 2018 at 18:08 Igor Zubchenok <igor@zubchenok.com> wrote:
>
>> I want to repair all nodes at all data centers.
>>
>> Example:
>> DC1
>>  nodeA
>>  nodeB
>>  nodeC
>> DC2
>>  node D
>>  node E
>>  node F
>>
>> If I run `nodetool repair -pr` at nodeA nodeB and nodeC, will all ranges
>> be repaired?
>>
>>
>> On Fri, 8 Jun 2018 at 17:57 Rahul Singh <rahul.xavier.singh@gmail.com>
>> wrote:
>>
>>> From DS dox : "Do not use -pr with this option to repair only a local
>>> data center."
>>> On Jun 8, 2018, 10:42 AM -0400, user@cassandra.apache.org, wrote:
>>>
>>>
>>> *nodetool repair -pr*
>>>
>>>

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