On Tue, Sep 29, 2015 at 9:35 AM, Dongfeng Lu wrote:
> Reading Richard's 6 step plan, I felt that I may just need step 1 for my
> case, that is "Switch to a different snitch (possibly GPFS), and the
> keyspace from SimpleStrategy to NTS but keep it all in one rack." Since I
> only have 3 nodes wit
On Wed, Sep 16, 2015 at 3:39 AM, Richard Dawe
wrote:
> In that mixed non-EC2/EC2 environment, with GossipingPropertyFileSnitch,
> it seems like you would need to simulate what Ec2Snitch does, and manually
> configure GPFS to treat each Availability Zone as a rack.
>
Yes, you configure GPFS with
Hi Rob,
On 11/09/2015 18:27, "Robert Coli"
mailto:rc...@eventbrite.com>> wrote:
On Fri, Sep 11, 2015 at 7:24 AM, Richard Dawe
mailto:rich.d...@messagesystems.com>> wrote:
Thanks, Nate and Rob. We are going to have to migrate some installations from
SimpleSnitch to Ec2Snitch, others to Gossiping
On Fri, Sep 11, 2015 at 7:24 AM, Richard Dawe
wrote:
> Thanks, Nate and Rob. We are going to have to migrate some installations
> from SimpleSnitch to Ec2Snitch, others to GossipingPropertyFileSnitch. Your
> help is much appreciated!
>
If I were operating in a hybrid ec2/non-ec2 environment, I'd
Thanks, Nate and Rob. We are going to have to migrate some installations from
SimpleSnitch to Ec2Snitch, others to GossipingPropertyFileSnitch. Your help is
much appreciated!
Best regards, Rich
On 10/09/2015 20:33, "Nate McCall"
mailto:n...@thelastpickle.com>> wrote:
So if you have a topolog
On Thu, Sep 10, 2015 at 12:33 PM, Nate McCall
wrote:
> I can confirm that the above process works (definitely include Rob's
>> repair suggestion, though). It is really the only way we've found to safely
>> go from SimpleSnitch to rack-aware NTS.
>>
>
> The same process works/is required for Simpl
>
>
> So if you have a topology that would change if you switched from
>> SimpleStrategy to NetworkTopologyStrategy plus multiple racks, it sounds
>> like a different migration strategy would be needed?
>>
>> I am imagining:
>>
>>1. Switch to a different snitch, and the keyspace from SimpleStra
On Thu, Sep 10, 2015 at 8:55 AM, Richard Dawe
wrote:
> So if you have a topology that would change if you switched from
> SimpleStrategy to NetworkTopologyStrategy plus multiple racks, it sounds
> like a different migration strategy would be needed?
>
> I am imagining:
>
>1. Switch to a diffe
Hi Robert,
Firstly, thank you very much for you help. I have some comments inline below.
On 10/09/2015 01:26, "Robert Coli"
mailto:rc...@eventbrite.com>> wrote:
On Wed, Sep 9, 2015 at 7:52 AM, Richard Dawe
mailto:rich.d...@messagesystems.com>> wrote:
I am investigating various topology changes
On Wed, Sep 9, 2015 at 7:52 AM, Richard Dawe
wrote:
> I am investigating various topology changes, and their effect on replica
> placement. As far as I can tell, replica placement is not changing after
> I’ve changed the topology and run nodetool repair + cleanup. I followed the
> procedure descr
Good afternoon,
I am investigating various topology changes, and their effect on replica
placement. As far as I can tell, replica placement is not changing after I’ve
changed the topology and run nodetool repair + cleanup. I followed the
procedure described at
http://docs.datastax.com/en/cassa
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