It depends on a lot of factors. If you've got all your machines in a single rack, probably not. But if you want to spread your data across multiple racks or availability zones in AWS, it makes a huge difference.
On Thu, Jan 16, 2014 at 2:05 PM, Yogi Nerella <ynerella...@gmail.com> wrote: > Hi, > > I am new to Cassandra Environment, does the order of the ring matter, as > long as the member joins the group? > > Yogi > > > On Thu, Jan 16, 2014 at 12:49 PM, Jonathan Haddad <j...@jonhaddad.com>wrote: > >> Please include the output of "nodetool ring", otherwise no one can help >> you. >> >> >> On Thu, Jan 16, 2014 at 12:45 PM, Narendra Sharma < >> narendra.sha...@gmail.com> wrote: >> >>> Any pointers? I am planning to do rolling restart of the cluster nodes >>> to see if it will help. >>> On Jan 15, 2014 2:59 PM, "Narendra Sharma" <narendra.sha...@gmail.com> >>> wrote: >>> >>>> RF=3. >>>> On Jan 15, 2014 1:18 PM, "Andrey Ilinykh" <ailin...@gmail.com> wrote: >>>> >>>>> what is the RF? What does nodetool ring show? >>>>> >>>>> >>>>> On Wed, Jan 15, 2014 at 1:03 PM, Narendra Sharma < >>>>> narendra.sha...@gmail.com> wrote: >>>>> >>>>>> Sorry for the odd subject but something is wrong with our cassandra >>>>>> ring. We have a 9 node ring as below. >>>>>> >>>>>> N1 - UP/NORMAL >>>>>> N2 - UP/NORMAL >>>>>> N3 - UP/NORMAL >>>>>> N4 - UP/NORMAL >>>>>> N5 - UP/NORMAL >>>>>> N6 - UP/NORMAL >>>>>> N7 - UP/NORMAL >>>>>> N8 - UP/NORMAL >>>>>> N9 - UP/NORMAL >>>>>> >>>>>> Using random partitioner and simple snitch. Cassandra 1.1.6 in AWS. >>>>>> >>>>>> I added a new node with token that is exactly in middle of N6 and N7. >>>>>> So the ring displayed as following >>>>>> N1 - UP/NORMAL >>>>>> N2 - UP/NORMAL >>>>>> N3 - UP/NORMAL >>>>>> N4 - UP/NORMAL >>>>>> N5 - UP/NORMAL >>>>>> N6 - UP/NORMAL >>>>>> N6.5 - UP/JOINING >>>>>> N7 - UP/NORMAL >>>>>> N8 - UP/NORMAL >>>>>> N9 - UP/NORMAL >>>>>> >>>>>> >>>>>> I noticed that N6.5 is streaming from N1, N2, N6 and N7. I expect it >>>>>> to steam from (worst case) N5, N6, N7, N8. What could potentially cause >>>>>> the >>>>>> node to get confused about the ring? >>>>>> >>>>>> -- >>>>>> Narendra Sharma >>>>>> Software Engineer >>>>>> *http://www.aeris.com <http://www.aeris.com>* >>>>>> *http://narendrasharma.blogspot.com/ >>>>>> <http://narendrasharma.blogspot.com/>* >>>>>> >>>>>> >>>>> >> >> >> -- >> Jon Haddad >> http://www.rustyrazorblade.com >> skype: rustyrazorblade >> > > -- Jon Haddad http://www.rustyrazorblade.com skype: rustyrazorblade
