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From mattcodes <m...@mattfreeman.co.uk>
Subject Re: Relationship between Producer, Session and Connection.
Date Thu, 08 Apr 2010 04:56:02 GMT

The .Net library does not have a pooled connection factory. I will look at
porting the Java one.

...Yikes, I think I'll drop that idea, the naming is already making it not
suitable for hangover day. ConnectionPool represents a connection and
associated pool, not a connection pool.


1 to 1 for producer to session, and then shared connection(s). From what I
read things will be multiplexed onto the connection, is there anything on
the broker side to see the usage of a connection - how much its maxed out
by? thus providing a indicator of when to bring in multiple connections



bsnyder wrote:
> 
> On Wed, Apr 7, 2010 at 10:15 PM, mattcodes <matt@mattfreeman.co.uk> wrote:
>>
>> When you say overhead are you talking about ongoing on startup, I was
>> thinking of initializing the pool on startup, so bring up minsize of
>> pools
>> say 30 producer(1:1)session(1:1)connection, so when requested its all
>> ready
>> to go, use it, and release it back to the pool for the next incoming web
>> request that has to send a message to the backend queue.
> 
> Not only is the overhead of creating each object large, but creating a
> connection and a session per producer is just simply unnecessary. It
> winds up being a waste of resources that burden the broker
> unnecessarily.
> 
>> If I go the route of having 1 connection, how many session would you have
>> per connection? I guess start with the connection as singelton, then a
>> pool
>> of sessions? Eventually scale it to connection per 20 sessions? Or
>> something
>> like that?
> 
> A single connection can support many sessions. As I said before, the
> best approach is use a pooling connection factory. That way all of
> this is handled for you and all you need to do is create and cache the
> producers.
> 
> Bruce
> -- 
> perl -e 'print
> unpack("u30","D0G)U8V4\@4VYY9&5R\"F)R=6-E+G-N>61E<D\!G;6%I;\"YC;VT*"
> );'
> 
> ActiveMQ in Action: http://bit.ly/2je6cQ
> Blog: http://bruceblog.org/
> Twitter: http://twitter.com/brucesnyder
> 
> 

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