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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: Deleting the datadir for system keyspace in 0.7
Date Mon, 15 Nov 2010 15:00:18 GMT
no, i do not endorse making a "practice" of blowing away the system
dir.  we can and do change what goes there between versions and you
should not mess with it unless you know what you are doing, and even
then very very rarely.

On Mon, Nov 15, 2010 at 8:51 AM, Utku Can Topçu <utku@topcu.gen.tr> wrote:
> So,
>
> The practice of deleting the system datadir and setting the token in the
> configuration (so that we're not losing it) can be treated as a safe(!)
> operation if we're OK to lose the hints? Or are there other things to be
> aware of?
>
> Regards,
> Utku
>
>
> On Mon, Nov 15, 2010 at 3:25 PM, Jonathan Ellis <jbellis@gmail.com> wrote:
>>
>> ... but blowing away your saved token is a great way to lose data if
>> you don't know what you're doing.
>>
>> On Mon, Nov 15, 2010 at 8:17 AM, Gary Dusbabek <gdusbabek@gmail.com>
>> wrote:
>> > Mostly these things: stored schema information, cached cluster info,
>> > the token, hints.  Everything but the hints can be replaced.
>> >
>> > Gary.
>> >
>> > On Mon, Nov 15, 2010 at 06:29, Utku Can Topçu <utku@topcu.gen.tr> wrote:
>> >> Hello All,
>> >>
>> >> I'm wondering before restarting the a node in a cluster. If I delete
>> >> the
>> >> system keyspace, what data would I be losing, would I be losing
>> >> anything?
>> >>
>> >> Regards,
>> >> Utku
>> >>
>> >
>>
>>
>>
>> --
>> Jonathan Ellis
>> Project Chair, Apache Cassandra
>> co-founder of Riptano, the source for professional Cassandra support
>> http://riptano.com
>
>



-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support
http://riptano.com

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