On Thu, 2014-01-23 at 09:43 +0000, Gordon Sim wrote: > On 01/22/2014 07:40 PM, Alan Conway wrote: > > From qpid/cpp/src/qpid/framing/amqp_types.h: > > > > /** Maximum channel ID used by broker. Reserve high bit for internal > > use.*/ const ChannelId CHANNEL_MAX=(ChannelId(~1))>>1; const > > ChannelId CHANNEL_HIGH_BIT= ChannelId(~CHANNEL_MAX); > > > > Does anyone know if and where the channel high bit is used > > internally? There's no reference to CHANNEL_HIGH_BIT anywhere in the > > source. > > It was introduced ages ago: > http://svn.apache.org/viewvc?view=revision&revision=551981. This is in > the 0-10 implementation, and I can't see anything in the 0-10 spec that > would require this. From the comment it sounds like it was maybe being > reserved in case it was needed 'internally' within the broker(?) > > > This affects new HA which (currently) needs a channel per replicated > > queue. The definition above limits us to 32k queues. Any thoughts on > > the impact of changing this to 64k? For my purposes the change can be > > server-side only, so the client could still limit channels to 32k (if > > there's a reason to do that) > > I can't see any reason for the limit, so I would be fine with changing it.
In that case I will go ahead and do it, reduce the odds of people hitting the limit. --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
