Sorry, I wasn't clear on how you can select the "sessions" backend that you set 
up.  It's a simple PUT to the bucket URL, e.g.

curl -X PUT -H "content-type: application/json" -d 
'{"props":{"backend":"sessions"}}' http://localhost:8098/riak/sessions

Sean Cribbs <s...@basho.com>
Developer Advocate
Basho Technologies, Inc.
http://basho.com/

On Mar 2, 2011, at 9:23 AM, Abhishek Kona wrote:

> Thanks for the help.
> Will look up the knowledge base from next time before asking a question.
> -Abhishek Kona
> 
> On 02/03/11 7:43 PM, Sean Cribbs wrote:
>> Abhishek,
>> 
>> Mostly answered here: 
>> https://help.basho.com/entries/466512-how-can-i-automatically-expire-a-key-from-riak
>> 
>> If you use multi_backend with several bitcask setups you can have both 
>> expiring data and normal persistent data. Here's an example of what you 
>> might put in app.config (inside the riak_kv section):
>> 
>> {storage_backend, riak_kv_multi_backend},
>> {multi_backend_default,<<"bitcask">>},
>> {multi_backend, [
>>      {<<"bitcask">>, riak_kv_bitcask_backend, []},
>>         {<<"sessions>>, riak_kv_bitcask_backend, [{expiry_secs, 7200}, 
>> {data_root, "data/sessions"}]}
>> ]},
>> 
>> The key pieces there is expiry_secs = 7200 (2 hours), and the separate root 
>> for the data files.
>> 
>> Sean Cribbs<s...@basho.com>
>> Developer Advocate
>> Basho Technologies, Inc.
>> http://basho.com/
>> 
>> 
>> P.S. If you haven't seen the Knowledge Base yet, check it out: 
>> https://help.basho.com/forums/270314-riak. You can also search the KB from 
>> the #riak IRC channel using "!kb<search terms>".
>> 
>> On Mar 2, 2011, at 8:21 AM, Abhishek Kona wrote:
>> 
>>> Hi
>>> 
>>> Is it possible to have a expiry (ttl) on RIAK keys per bucket (or per key).
>>> Or is there any other way that I am missing.
>>> 
>>> This would be greatly useful for maintaining Session data in RIAK, as 
>>> expired session data can be auto cleared.
>>> 
>>> -Abhishek Kona
>>> 
>>> _______________________________________________
>>> riak-users mailing list
>>> riak-users@lists.basho.com
>>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
> 


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