Never, ever use SimpleStrategy in production - that's my golden rule. It's
extremely limiting if you do and a pain to change your mind later.
On Thu, 28 Jan 2021 at 02:00, Carl Mueller
<carl.muel...@smartthings.com.invalid> wrote:
> Yes, perform that as soon as possible.
>
> When you add a new datacenter, keyspaces that are SimpleStrategy (don't
> forget about system_traces and system_distributed) won't work.
>
> On Sat, Dec 19, 2020 at 12:38 PM Aaron Ploetz <aaronplo...@gmail.com>
> wrote:
>
>> Yes, you absolutely can (and should) use NetworkTopologyStrategy with a
>> single data center. In fact, I would argue that SimpleStrategy should
>> almost never be used. But that's just me.
>>
>> Thanks,
>>
>> Aaron
>>
>>
>> On Sat, Dec 19, 2020 at 3:21 AM Manu Chadha <manu.cha...@hotmail.com>
>> wrote:
>>
>>> Is it possible to use NetworkTopologyStrategy when creating a keyspace and
>>> add data centers later?
>>>
>>> I am just starting with an MVP application and I don't expect much
>>> traffic or data. Thus I have created only one data center. However, I'll
>>> like to add more data centers later if needed
>>>
>>> I notice that the replication factor for each data center needs to be
>>> specified at the time of keyspace creation
>>>
>>> CREATE KEYSPACE "Excalibur"
>>>
>>> WITH REPLICATION = {'class' : 'NetworkTopologyStrategy', 'dc1' : 3, 'dc2'
>>> : 2};
>>>
>>> As I only have dc1 at the moment, could I just do
>>>
>>> CREATE KEYSPACE "Excalibur"
>>>
>>> WITH REPLICATION = {'class' : 'NetworkTopologyStrategy', 'dc1' : 3};
>>>
>>> and when I have another datacenter say dc2, could I edit the Excalibur
>>> keyspace?
>>>
>>> ALTER KEYSPACE "Excalibur"
>>>
>>> WITH REPLICATION = {'class' : 'NetworkTopologyStrategy', 'dc2' : 2};
>>>
>>>
>>>
>>> or can I start with SimpleStrategy now and change to
>>> NetworkTopologyStrategy later? I suspect this might not work as I think
>>> this needs changing snitch etc.
>>>
>>>
>>>
>>>
>>>
>>> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for
>>> Windows 10
>>>
>>>
>>>
>>
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