[Freeswitch-users] FreeSWITCH Core - Cassandra Database

[Juan Jose Comellas]

You can modify this behavior in MongoDB by changing the "write concern" [1]
to ensure that the MongoDB client only returns to the caller when at least
one of the replicas has acknowledged the data. The problem is that if you
do that the performance drops dramatically. In my opinion, MongoDB is only
suitable for storing non-critical data. I would never use it for a failover
solution with FreeSWITCH.

BTW, moving from a relational database to a NoSQL one is not trivial at
all, especially if your application requires any kind of transactionality
from the DB.

[1] http://docs.mongodb.org/manual/core/write-concern/


On Thu, Aug 1, 2013 at 5:19 PM, Patrick Lists <
freeswitch-list at puzzled.xs4all.nl> wrote:

> On 08/01/2013 09:45 PM, john at millican.us wrote:
> [snip]
> > I have used many
> > SQL db and a few NoSQL and the NoSQL are much faster, easier to scale,
> > and just plain more fun. My opinion and of course YMMV
>
> Doesn't MongoDB acknowledge a write when it still has the data in mem as
> opposed to written on disk? So when the power fails and both FreeSWITCH
> server 1 and MongoDB server 1 are down there was data in memory that has
> not been replicated to MongoDB server 2. How is that going to result in
> proper failover? How can you fire up FreeSWITCH server 2 with all call
> data when MongoDB server 2 does not have all the call data? I'm no NoSQL
> expert so would love to hear how a NoSQL based solution could do the job
> reliably.
>
> Regards,
> Patrick
>
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