incubator-cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From cem <cayiro...@gmail.com>
Subject Re: maximum storage per node
Date Thu, 25 Jul 2013 15:58:37 GMT
You will suffer from long compactions if you are planning to get rid of
from old records by TTL.

Best Regards,
Cem.


On Thu, Jul 25, 2013 at 5:51 PM, Kanwar Sangha <kanwar@mavenir.com> wrote:

>  Issues with large data nodes would be –****
>
> ** **
>
> **·         **Nodetool repair will be impossible to run****
>
> **·         **Your read i/o will suffer since you will almost always go
> to disk (each read will take 3 IOPS worst case)****
>
> **·         **Boot-straping the node in case of failures will take
> days/weeks****
>
> ** **
>
> ** **
>
> *From:* Pruner, Anne (Anne) [mailto:pruner@avaya.com]
> *Sent:* 25 July 2013 10:45
> *To:* user@cassandra.apache.org
> *Subject:* RE: maximum storage per node****
>
> ** **
>
> We’re storing fairly large files (about 1MB apiece) for a few months and
> then deleting the oldest to get more space to add new ones.  We have large
> requirements (maybe up to 100 TB), so having a 1TB limit would be
> unworkable.****
>
> ** **
>
> What is the reason for the limit?  Does something fail after that?****
>
> ** **
>
> If there are hardware issues, what’s recommended?****
>
> ** **
>
> BTW, we’re using Cassandra 1.2****
>
> ** **
>
> Anne****
>
> ** **
>
> *From:* cem [mailto:cayiroglu@gmail.com <cayiroglu@gmail.com>]
> *Sent:* Thursday, July 25, 2013 11:41 AM
> *To:* user@cassandra.apache.org
> *Subject:* Re: maximum storage per node****
>
> ** **
>
> Between 500GB - 1TB is recommended. ****
>
> ** **
>
> But it depends also your hardware, traffic characteristics and
> requirements. Can you give some details on that?****
>
> ** **
>
> Best Regards,****
>
> Cem****
>
> ** **
>
> On Thu, Jul 25, 2013 at 5:35 PM, Pruner, Anne (Anne) <pruner@avaya.com>
> wrote:****
>
> Does anyone have opinions on the maximum amount of data reasonable to
> store on one Cassandra node?  If there are limitations, what are the
> reasons for it?****
>
>  ****
>
> Thanks,****
>
> Anne****
>
> ** **
>

Mime
View raw message