[SR-Users] db_cassandra status and plans

[Daniel-Constantin Mierla]

Hello Andreas,

On 31/03/16 12:57, Andreas Granig wrote:
> Hi Daniel,
>
> On 03/31/2016 12:45 PM, Daniel-Constantin Mierla wrote:
>> I haven't used Cassandra at all, maybe some of the devs at 1&1 can share
>> if they have any plans or usage stats for it, being the initial
>> developers of the module.
> Let's see if someone chimes in. Not sure if Anca is still involved, or
> if/how it's actually used at 1&1 or anywhere else.
>
>> For me it is ok to introduce a new module as well, the old one can be
>> removed afterwards if the new one overtakes it in features.
> Makes sense, although I doubt someone is using it with recent Kamailio
> versions due to the issues at least I encountered with it.
> The new module in itself will be a drop-in replacement of the current
> one (so we could re-use the same name but rewriting it from scratch),
> the only limitation I can see for now is that it won't support cassandra
> version older than 1.2 due to lack of cql support. So having a grace
> period (or a parallel module with a different name) is fine with me.

Perhaps is good to just replace it with a fresh implementation. I don't
think there will be much (any) use of the old version. Anyhow, the old
module can be moved to obsolete folder and if someone needs to work with
an older lib, it can be rescue it from there.

Cheers,
Daniel

>
>> What I actually wanted to discuss is regarding the query for NAT pinging
>> -- with recent versions, there should be a dedicated column for querying
>> natted records. It is no longer relying of flags (and bitwise
>> operations) for this case. Or did you have in mind something else with:
>>
>> """
>> The module can not be used together with nathelper for nat pings, since
>> the queries don't provide a key, which is required for cassandra.
>> """
> Actually one of the issues with the cassandra schema is that the new
> columns introduced in location e.g. for natping are not reflected in the
> module's table schema. I haven't looked into the details of the db query
> the module tries to do in case of natping, I was just observing the
> errors the module was throwing for each natping attempt.
>
> The plan is to use the new way of querying records for natping anyways.
>
> Andreas
>
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-- 
Daniel-Constantin Mierla
http://www.asipto.com
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