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From Edward Capriolo <edlinuxg...@gmail.com>
Subject Re: Automating nodetool repair
Date Tue, 28 Aug 2012 14:03:13 GMT
You can consider adding -pr. When iterating through all your hosts
like this. -pr means primary range, and will do less duplicated work.

On Mon, Aug 27, 2012 at 8:05 PM, Aaron Turner <synfinatic@gmail.com> wrote:
> I use cron.  On one box I just do:
>
> for n in node1 node2 node3 node4 ; do
>    nodetool -h $n repair
>    sleep 120
> done
>
> A lot easier then managing a bunch of individual crontabs IMHO
> although I suppose I could of done it with puppet, but then you always
> have to keep an eye out that your repairs don't overlap over time.
>
> On Mon, Aug 27, 2012 at 4:52 PM, Edward Sargisson
> <edward.sargisson@globalrelay.net> wrote:
>> Hi all,
>> So nodetool repair has to be run regularly on all nodes. Does anybody have
>> any interesting strategies or tools for doing this or is everybody just
>> setting up cron to do it?
>>
>> For example, one could write some Puppet code to splay the cron times around
>> so that only one should be running at once.
>> Or, perhaps, a central orchestrator that is given some known quiet time and
>> works its way through the list, running nodetool repair one at a time (using
>> RPC?) until it runs out of time.
>>
>> Cheers,
>> Edward
>> --
>>
>> Edward Sargisson
>>
>> senior java developer
>> Global Relay
>>
>> edward.sargisson@globalrelay.net
>>
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>
>
> --
> Aaron Turner
> http://synfin.net/         Twitter: @synfinatic
> http://tcpreplay.synfin.net/ - Pcap editing and replay tools for Unix & Windows
> Those who would give up essential Liberty, to purchase a little temporary
> Safety, deserve neither Liberty nor Safety.
>     -- Benjamin Franklin
> "carpe diem quam minimum credula postero"

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