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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » Mapping Node V8 Performance

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eairesource
PostPosted: Wed Jun 12, 2013 7:21 am    Post subject: Mapping Node V8 Performance Reply with quote

Newbie

Joined: 16 Apr 2013
Posts: 9
Does Mapping node in V8 try to cache data when it processes a request for the first time?We are seeing an odd behavior where it takes long time to process for the first request(after fresh deployment) and for every subsequent request the processing speed is much faster.
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lancelotlinc
PostPosted: Wed Jun 12, 2013 7:34 am    Post subject: Reply with quote

Jedi Knight

Joined: 22 Mar 2010
Posts: 4941
Location: Bloomington, IL USA
Put Trace node before and after the mapping node.

Code:
Root:
${Root}
===
LocalEnvironment:
${LocalEnvironment}
===
Environment:
${Environment}
===
ExceptionList:
${ExceptionList}
===
${CURRENT_TIMESTAMP}
=======================


Publish the results here. Make sure each Trace node points to a unique file.
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Last edited by lancelotlinc on Wed Jun 12, 2013 8:33 am; edited 1 time in total
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mqjeff
PostPosted: Wed Jun 12, 2013 7:40 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447
The v8 map node is compiled at first use, and this compiled map is cached until flow redeploy or EG restart.

If you need this behavior to change, open a PMR.
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