Danushka Menikkumbura wrote:
Danushka Menikkumbura wrote:
Does Qpid have a mechanism for sending large date sets in chunks?.
How large is 'large'?
Say 5M?. Anyway it is up to the sender to decide on this. Yeah?
You can send messages pretty much as large as you like; how well the
broker copes is of course a good question (and depends largely on the
size of the message and the memory available).
The c++ broker can handle receiving of such messages without having to
store the whole thing in memory. Unfortunately on the sending side it
can no longer do this and the whole message will be read into memory
before its sent off to a subscriber. For 5M that probably isn't a huge
issue though[1].
Maybe someone else can give the latest state on the java broker for this.
AMQP 0-10 also supports sending a large logical messages as a series of
separate transfers. We don't currently implement that feature though. I
created a Jira for that: https://issues.apache.org/jira/browse/QPID-1402
[1] I did a quick test of a 6M message which worked fine. If you don't
have a store loaded you need to disable the 'staging' mechanism which
has a 5M limit by default (--staging-threshold 0). I think I'll change
that to be the default as the sending side of this no longer has the
desired effect anyway.
