incubator-cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Benjamin Black...@b3k.us>
Subject Re: Backporting Data Center Shard Strategy
Date Wed, 22 Sep 2010 07:19:06 GMT
You might be confusing the RackAware strategy (which puts 1 replica in
a remote DC) and the DatacenterShard strategy (which puts M of N
replicas in remote DCs).  Both are in 0.6.5.

https://svn.apache.org/repos/asf/cassandra/tags/cassandra-0.6.5/src/java/org/apache/cassandra/locator/DatacenterShardStategy.java

On Tue, Sep 21, 2010 at 10:23 PM, rbukshin rbukshin <rbukshin@gmail.com> wrote:
> The one in 0.6 doesn't allow controlling number of replicas to place in
> other DC. Atmost 1 copy of data can be placed in other DC.
>
> What are other differences between the implementation in 0.6 vs 0.7?
>
>
>
> On Tue, Sep 21, 2010 at 10:03 PM, Benjamin Black <b@b3k.us> wrote:
>>
>> DCShard is in 0.6.  It has been rewritten in 0.7.
>>
>> On Tue, Sep 21, 2010 at 10:02 PM, rbukshin rbukshin <rbukshin@gmail.com>
>> wrote:
>> > Is there any plan to backport DataCenterShardStrategy to 0.6.x from 0.7?
>> > It
>> > will be very useful for those who don't want to make drastic changes in
>> > their code and get the benefits of this replica placement strategy.
>> >
>> > --
>> > Thanks,
>> > -rbukshin
>> >
>> >
>
>
>
> --
> Thanks,
> -rbukshin
>
>

Mime
View raw message