Try putting multiple instances per machine with each instance mapped to its own disk. This might not work with v-nodes
On Thu, Jul 25, 2013 at 9:04 AM, Pruner, Anne (Anne) <pru...@avaya.com>wrote: > I actually wrote my own compactor that deals with this problem.**** > > ** ** > > Anne**** > > ** ** > > *From:* cem [mailto:cayiro...@gmail.com] > *Sent:* Thursday, July 25, 2013 11:59 AM > > *To:* user@cassandra.apache.org > *Subject:* Re: maximum storage per node**** > > ** ** > > 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 <kan...@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:pru...@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:cayiro...@gmail.com <cayiro...@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) <pru...@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**** > > **** > > ** ** >
