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| zpat |
 Posted: Tue Jul 19, 2011 7:46 am Post subject: |
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Jedi Council
Joined: 19 May 2001
Posts: 5866
Location: UK
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| Using non-persistent messages on a queue is quite efficient as a form of cache. |
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| Vitor |
| Posted: Tue Jul 19, 2011 7:51 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| zpat wrote: |
| Using non-persistent messages on a queue is quite efficient as a form of cache. |
Urgh. The "a queue is not a database table" debate gallops towards us...
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Honesty is the best policy.
Insanity is the best defence. |
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| lancelotlinc |
| Posted: Tue Jul 19, 2011 8:38 am Post subject: |
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Jedi Knight
Joined: 22 Mar 2010
Posts: 4941
Location: Bloomington, IL USA
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| Vitor wrote: |
| lancelotlinc wrote: |
| Support pac IA91 is the last resort for caching WMB infos. You will fair better using Singletons and HashMaps. |
There you are! Got worried when this didn't evoke a reaction... |
I miss you too, buddy.
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| zpat |
| Posted: Tue Jul 19, 2011 9:35 am Post subject: |
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Jedi Council
Joined: 19 May 2001
Posts: 5866
Location: UK
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| Vitor wrote: |
| zpat wrote: |
| Using non-persistent messages on a queue is quite efficient as a form of cache. |
Urgh. The "a queue is not a database table" debate gallops towards us... |
So what you are saying is that IBM are also wrong to move from using broker database tables to queues for in flight temporary data storage? |
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| Vitor |
| Posted: Tue Jul 19, 2011 9:46 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| zpat wrote: |
| So what you are saying is that IBM are also wrong to move from using broker database tables to queues for in flight temporary data storage? |
No, I'm talking about the historic posts where some design loads up a queue with messages then an application does a browse by message id to retrieve the data. In many cases the message id is a piece of business data in string format. Usually they post here because they've either moved the application to a different code-paged platform and the "select" doesn't work properly or it works but it runs like a snail on Valium towing an anvil once they hit 5000 messages.
And they always got annoyed when we suggested using a database instead. I twitch every time someone mentions Java selectors (which are not quite the same thing I think)
Queues for storage? Yes. Queues as a database table? No.
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