Thanks, Jemeriah. I'm aware of the change, we will use JIRAs to contribute back to the community.
Prasenjit On Fri, Oct 7, 2016 at 2:31 PM, J. D. Jordan <jeremiah.jor...@gmail.com> wrote: > The Python driver does support it, it is supported as a custom strategy. I > was the one to implement it in > > https://datastax-oss.atlassian.net/browse/PYTHON-191 > > It makes the class for it on the fly. > > Not sure what else you want it to do, but if you have a suggestion for an > improvement to a specific driver you should open up a ticket on that > drivers JIRA. > > -Jeremiah > > > On Oct 7, 2016, at 4:06 PM, Prasenjit Sarkar <prasenjit.sar...@datos.io> > wrote: > > > > Thanks Vlad and Jeremiah. > > > > There were questions about support, so let me address that in more > detail. > > > > If I look at the latest Cassandra python driver, the support for > > LocalStrategy is very limited (code snippet shown below) and the support > > for EverywhereStrategy is non-existent. By limited I mean that the > > Cassandra python driver only provides the name of the strategy for > > LocalStrategy and not much else. > > > > What I would like (and happy to help) is for the Cassandra python driver > to > > provide support for Local and Everywhere to the same extent it is > provided > > for Simple and NetworkTopology. I understand that token aware routing is > > not applicable to either strategy but I would like to get the replication > > factors of the key-spaces using the strategies in the same way we get the > > replication factors for Simple and NetworkTopology. > > > > Hope this helps, > > Prasenjit > > > > > > class LocalStrategy(ReplicationStrategy): > > def __init__(self, options_map): > > pass > > def make_token_replica_map(self, token_to_host_owner, ring): > > return {} > > def export_for_schema(self): > > """ > > Returns a string version of these replication options which are > > suitable for use in a CREATE KEYSPACE statement. > > """ > > return "{'class': 'LocalStrategy'}" > > def __eq__(self, other): > > return isinstance(other, LocalStrategy) > > > > On Fri, Oct 7, 2016 at 11:56 AM, Jeremiah D Jordan < > > jeremiah.jor...@gmail.com> wrote: > > > >> What kind of support are you thinking of? All drivers should support > them > >> already, drivers shouldn’t care about replication strategy except when > >> trying to do token aware routing. > >> But since anyone can make a custom replication strategy, drivers that do > >> token aware routing just need to handle falling back to not doing token > >> aware routing if a replication strategy they don’t know about is in use. > >> All the open sources drivers I know of do this, so they should all > >> “support” those strategies already. > >> > >> -Jeremiah > >> > >>> On Oct 7, 2016, at 1:02 PM, Prasenjit Sarkar < > prasenjit.sar...@datos.io> > >> wrote: > >>> > >>> Hi everyone, > >>> > >>> To the best of my understanding that Datastax has proprietary > replication > >>> strategies: Local and Everywhere which are not part of the open source > >>> Apache Cassandra project. > >>> > >>> Do we know of any plans in the open source Cassandra driver community > to > >>> support these two replication strategies? Would Datastax have a > licensing > >>> concern if the open source driver community supported these strategies? > >> I'm > >>> fairly new here and would like to understand the dynamics. > >>> > >>> Thanks, > >>> Prasenjit > >> > >> >
