Probably it would be useful to be able set user defined consistent ID generator. For example it can request consistent ID for node from remote configuration server or generate it using specific user defined logic.
On Wed, Jul 8, 2015 at 6:19 PM, Yakov Zhdanov <yzhda...@gridgain.com> wrote: > I think that this should be added to configuration so user has opportunity > to override auto assigned one since in case you change ifconfig of the host > or add/remove network card consistent ID will be changed and node launched > on the host will not pick up the same partitions as before. > > > -- > Yakov Zhdanov, Director R&D > *GridGain Systems* > www.gridgain.com > > 2015-07-07 20:48 GMT+03:00 Dmitriy Setrakyan <dsetrak...@apache.org>: > > > To my knowledge, nodes are already started with consistent hash code used > > for affinity, which survives restarts. Can someone clarify why we need > the > > consistent ID as well? > > > > D. > > > > On Tue, Jul 7, 2015 at 5:45 AM, Ira Vasilinets <ivasilin...@gridgain.com > > > > wrote: > > > > > Alexey, > > > > > > I do not want to remove default implementation of consistentId. If user > > > would like to configure consistentId, he should write xml file per > node. > > > I will be glad if someone propose more elegant solution =) > > > > > > On Tue, Jul 7, 2015 at 2:07 PM, Alexey Kuznetsov < > > akuznet...@gridgain.com> > > > wrote: > > > > > > > Ira, usually we have xml file with node config and start several > nodes. > > > > What would happened if user specify consistent id in spring xml file > > and > > > > start several nodes with same config? > > > > Or in this case user should write as much xml files as much nodes he > > > going > > > > to start? > > > > > > > > > > > > On Tue, Jul 7, 2015 at 6:00 PM, Ira Vasilinets < > > ivasilin...@gridgain.com > > > > > > > > wrote: > > > > > > > > > ClusterNode.consistentId is consistent globally unique node ID and > > > should > > > > > be the same after node restart. Node consistent id is a string that > > > > > contains node's addresses and port discovery number by default. > After > > > > > restarting node default consistentId could change. I think that > > > > > IgniteConfiguration should have possibility to configurate constant > > > > node's > > > > > consistentId. > > > > > > > > > > On Tue, Jul 7, 2015 at 1:31 PM, Dmitriy Setrakyan < > > > dsetrak...@apache.org > > > > > > > > > > wrote: > > > > > > > > > > > Ira, > > > > > > > > > > > > Can you please describe what a consistent ID is? > > > > > > > > > > > > D. > > > > > > > > > > > > On Tue, Jul 7, 2015 at 3:27 AM, Ira Vasilinets < > > > > ivasilin...@gridgain.com > > > > > > > > > > > > wrote: > > > > > > > > > > > > > Hi! > > > > > > > > > > > > > > I looked throught IgniteConfiguration methods and noticed that > we > > > do > > > > > not > > > > > > > have posibility to configure node consistentId. I think > > > > > > IgniteConfiguration > > > > > > > should have methods setConsistentId and getConsistentId. > > > > > > > > > > > > > > Thoughts? > > > > > > > > > > > > > > Kind Regards, > > > > > > > Ira. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > Alexey Kuznetsov > > > > GridGain Systems > > > > www.gridgain.com > > > > > > > > > > -- Andrey Gura GridGain Systems, Inc. www.gridgain.com
