As Steve mentioned, the exchanges don't queue messages, they only route them (to queues). That is, there are no messages 'in' the exchange, as they dont hold messages.
Those numbers are simple counts of what has occurred during operation. The broker keeps those records and then supplied them to qpid-stat when it queried for the information. Robbie On 4 May 2016 at 21:25, rammohan ganapavarapu <rammohanga...@gmail.com> wrote: > I am confused now, in previous email you said "They are not held in > memory". When qpid-stat says there are messages in that exchange those > messages should be some where right either in memory or in FS or qpid-stat > is displaying false output? so dropped messages will be gone and they wont > be in memory or in FS? if that is the case how qpid-stat knows about that > message count? > > > Thanks, > Ram > > > > On Wed, May 4, 2016 at 12:07 PM, Steve Huston <shus...@riverace.com> wrote: > >> They are for management messages. They only exist in memory, never in the >> file system. >> >> > -----Original Message----- >> > From: rammohan ganapavarapu [mailto:rammohanga...@gmail.com] >> > Sent: Wednesday, May 04, 2016 3:03 PM >> > To: users <users@qpid.apache.org> >> > Subject: Re: Messages in qpid.management exchange >> > >> > Thank you Steve, do you know what are those exchanges for? when it say >> > drop those messages are still in file system so will file system grows >> as those >> > msg count grow? >> > >> > On Wed, May 4, 2016 at 11:59 AM, Steve Huston <shus...@riverace.com> >> > wrote: >> > >> > > The message counts you see for qpid.management are "drops" - they were >> > > not routed to a queue (no topic matches on any of its bindings). They >> > > are not held in memory. Exchanges route messages, they do not queue >> > them. >> > > >> > > So there's no resource issue with those numbers. >> > > >> > > -Steve Huston >> > > >> > > > -----Original Message----- >> > > > From: rammohan ganapavarapu [mailto:rammohanga...@gmail.com] >> > > > Sent: Wednesday, May 04, 2016 2:56 PM >> > > > To: users <users@qpid.apache.org> >> > > > Subject: Re: Messages in qpid.management exchange >> > > > >> > > > One more thing to add, does it impact qpid performance? >> > > > >> > > > Ram >> > > > >> > > > On Wed, May 4, 2016 at 11:41 AM, rammohan ganapavarapu < >> > > > rammohanga...@gmail.com> wrote: >> > > > >> > > > > Hi, >> > > > > >> > > > > Do you know what are these messages in these exchanges and why >> > > > > they didn't get consumed and will it cause any issue if those msg >> > > > > number grow if so how to resolve that issue? restarting qpidd may >> > > > > clear those messages but wanted to know if we can configure to set >> > > > > threshold and >> > > > clear them automatically. >> > > > > >> > > > > >> > > > > qpid-stat -e >> > > > > >> > > > > Exchanges >> > > > > exchange type dur bind msgIn msgOut msgDrop >> > > > > byteIn byteOut byteDrop >> > > > > qmf.default.direct direct 2 28.9m 28.9m 0 >> > > > > 272g 272g 0 >> > > > > amq.topic topic Y 0 0 0 0 >> > > > > 0 0 0 >> > > > > qpid.management topic 6 75.6m 0 75.6m >> > > > > 144g 0 144g >> > > > > >> > > > > Thanks, >> > > > > Ram >> > > > > >> > > >> --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@qpid.apache.org For additional commands, e-mail: users-h...@qpid.apache.org
