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Does incoming E-mail affect performance on HPSD?

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Hello all,

We've had a few server failures over the past few months and we're trying to figure out what factors might be causing them. In the logs I am seeing a fair amount of inbound emails at the time of the failures. We were wondering how great an impact inbound email has on HPSD. We are currently running 4.5 sp 11.

Thanks

Craig
You can observe a lot just by watching. - YOGI BERRA
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Re: Does incoming E-mail affect performance on HPSD?

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Hi Craig,

Im sure you are aware that if the mail server floods OVSD with inbound e-mails it could affect performance. Say there was a bottleneck in the mail system and then at once a lot of e-mails as sent to OVSD at the same time this can have an effect.

Coul dbe worth checking but Im sure if there was a mail issue it would have 1) been recorded as an incident 2) noticed.

fyi you may experience some issues with OVSD when scheduled tasks go above approx 2,000 per application server.

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Re: Does incoming E-mail affect performance on HPSD?

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hi!

As far as i have experienced, there is no performance degradation for inbound e-mails. But look at the rules that are being used along with the inbound e-mail.

You can run a check for the DB rules and make sure the are in good health.

Have you checked the DB and scheduled tasks ?

Ashly A K
http://www.geocities.com/helponhpopenview
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Re: Does incoming E-mail affect performance on HPSD?

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Scheduled tasks are relatively low. (like 5 - 10).
You can observe a lot just by watching. - YOGI BERRA
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Re: Does incoming E-mail affect performance on HPSD?

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Craig, no problem with 5 or 10, I have implementations with more t 1000 scheduled tasks and performance is ok
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Re: Does incoming E-mail affect performance on HPSD?

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Hi Craig,

Im sure you are aware that if the mail server floods OVSD with inbound e-mails it could affect performance. Say there was a bottleneck in the mail system and then at once a lot of e-mails as sent to OVSD at the same time this can have an effect.

Coul dbe worth checking but Im sure if there was a mail issue it would have 1) been recorded as an incident 2) noticed.

fyi you may experience some issues with OVSD when scheduled tasks go above approx 2,000 per application server.

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Re: Does incoming E-mail affect performance on HPSD?

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hi!

In the environment that i am working, there are more than 20,000 scheduled jobs !!!! We are waiting for a good day to flush them out!

And the server is pumping around 10 to 14 e-mails per min. Even then, the incoming e-mails works fine. But the number of in-comming mails are less. (max 1 or 2 per day)

Ashly A K
http://www.geocities.com/helponhpopenview
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Re: Does incoming E-mail affect performance on HPSD?

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Hi,

We found that a service desk application instance with client connections was significantly impacted when service desk SMTP was enabled. We added another instance of the application server dedicated to smtp and had a performance increase.

Regards
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Re: Does incoming E-mail affect performance on HPSD?

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So based on what I am hearing, inbound email may impact performance especially if there is a spike in the number that are being dealt with. Further, performance is improved when the inbound email processing is moved to server that doesn't allow client connections.

Sound about right?
You can observe a lot just by watching. - YOGI BERRA
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Re: Does incoming E-mail affect performance on HPSD?

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hi!

Ya, i think the best way is to run two servers, and use one dedicated for in-bound mails. This will give you an added advantage of a fail over mechanism too.

Or, you can try Windows NLB, like we have 3 SD Servers in NLB, and all the clients connects to a virtual IP.

Ashly A K
http://www.geocities.com/helponhpopenview
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