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[Beta] IIS worker process, crazy memory usage
Question asked by echoDreamz - 4/23/2020 at 10:05 PM
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Latest beta, MAPI finally seems to be working without a crash, however, the memory usage is crazy...


Almost 7GB of memory used. We only have 1 Outlook install connected with 2 MAPI accounts. Normally our IIS worker is around 2GB in size. 

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echoDreamz Replied
4/23/2020 at 11:06 PM
About an hour later, memory dropped back down to 2GB.
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Same issue with memory here.
Gabriele Maoret - Head of SysAdmins at SERSIS Currently manages 6 SmarterMail installations (1 in the cloud for SERSIS which provides services to a few hundred third-party email domains + 5 on-premise for customers who prefer to have their mail server in-house)
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echoDreamz Replied
4/23/2020 at 11:56 PM
It's now reduced down to around a gig. Though, I am not sure if the RAM usage is being caused by the exceptions being thrown by my other account. I've removed it from Outlook pending ST looking into the exception.
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Tim Uzzanti Replied
4/24/2020 at 9:13 AM
Employee Post Marked As Answer
Yea, we keep trying to work around instabilities in IIS related to Threading / WCF / Garbage Collection.  We avoided crashes with that last build but we saw Garbage Collection wasn't working properly which we think we have found a solution for as well and will be in the upcoming version today.
Tim Uzzanti CEO SmarterTools Inc. www.smartertools.com
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great Tim! You and your team are making an awsome work, hope that step by step you reach the final stage soon!
Gabriele Maoret - Head of SysAdmins at SERSIS Currently manages 6 SmarterMail installations (1 in the cloud for SERSIS which provides services to a few hundred third-party email domains + 5 on-premise for customers who prefer to have their mail server in-house)
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echoDreamz Replied
4/24/2020 at 11:53 AM
Thanks Tim! While we dont mind increased RAM usage if it is beneficial, just wanted to check if it was unusual.
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echoDreamz Replied
4/24/2020 at 10:15 PM
This is no longer an issue in the latest build. Memory usage is very much under control now.
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