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| what is bad if DISCINT = 0 in a ? |
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| exerk |
 Posted: Wed Sep 10, 2008 1:18 am Post subject: |
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Jedi Council
Joined: 02 Nov 2006
Posts: 6339
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| KeeferG wrote: |
| ...Of course developers being who they are will tend to want their life to be simple and will always request neverending channels as they then assume they do not have to worry about inactive channels... |
Which is why I try to educate developers into abstracting themselves from the transport - them doing stuff at channel level is akin to giving a train driver directions!
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It's puzzling, I don't think I've ever seen anything quite like this before...and it's hard to soar like an eagle when you're surrounded by turkeys. |
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| KeeferG |
| Posted: Wed Sep 10, 2008 1:23 am Post subject: |
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Master
Joined: 15 Oct 2004
Posts: 215
Location: Basingstoke, UK
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I always try the postal service one.
I wouldn't phone the recipient of my letter to see if they were at home before posting my letter. Nor would I expect my postman to be waiting to take it there immediately.
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Keith Guttridge
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Using MQ since 1995 |
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| PeterPotkay |
| Posted: Wed Sep 10, 2008 5:24 am Post subject: |
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Poobah
Joined: 15 May 2001
Posts: 7722
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I like using email as an anology. Your Inbox is the queue and emails are the messages.
"If you sent your buddy an email and he didn't reply, do you call the Email System Admin and ask them once wrong with the Email system? Or do you call your buddy? So when you send an MQ request message and don't get a reply, the first person to call is the developer supporting the replying application, not me!"
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Peter Potkay
Keep Calm and MQ On |
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| sebastia |
| Posted: Wed Sep 10, 2008 8:30 am Post subject: |
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Grand Master
Joined: 07 Oct 2004
Posts: 1003
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Yes, that is the main reason to NOT TO USE "fire and forget"
and try to use "Request/Response"
so we skip the network as the "main" operator ... |
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| gbaddeley |
| Posted: Wed Sep 10, 2008 8:05 pm Post subject: |
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Jedi Knight
Joined: 25 Mar 2003
Posts: 2538
Location: Melbourne, Australia
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| sebastia wrote: |
| mr gbaddeley - I never had an idea of how often do messages flow thry my channels ... I have no way to calculate the figure you are saying. |
Do a periodic channel status command (say every hour or so) and look at the message counts and last time a message was sent. That will give you an idea of the daily pattern of usage.
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Glenn |
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