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Issue in RAS load balancing?

kalpesh_pandey
Contributor
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Hi, We have 7 RAS per server and we have 3 servers in cluster. So total 21 RAS. This means we have capacity of 1575 concurrent jobs as the limit defined on each job is 75 per RAS. When we ran performance testing then we had around 600 sessions and we started getting error message that "Max limit defined by Administrator for Job has been reached" and many of reports failed. we get this log message for 3-4 RAS not for all but reports failed.

I suspect that CMS keeps on directing new request to loaded server instead of other RAS servers which were not so loaded.

Can anyone confirm this? I am told by BO support that they have seen this behavior in XI 3.1 too. We are on BOXI R2 SP3 with IIS. We are using windows server 2003. We are using custom SDK to open Crystal reports.

Thanks,

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Answers (1)

Answers (1)

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Hi

why are you using the RAS and not the Crystal Report Processing sever?

Regards,

Stratos

kalpesh_pandey
Contributor
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Its not in our hand. When you use Custom SDK to open reports then RAS will be used.

Former Member
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kalpesh_pandey
Contributor
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Hi Anil, I think we moved away from original question. I wanted to know if there is any issue in load balancing on RAS.

Also, number of RAS depends upon Sizing guide. Option of using or not using RAS will not depend on sizing guide.

If I am wrong then I would be willing to know how that document would help in which server would be used. I thought its straight forward that for Advance DHTML, Cascading prompt and Custom SDK will use RAS.

Thanks,

kalpesh_pandey
Contributor
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Seems like this message moved away from original purpose. We have set the limit to unlimited jobs on each RAS. During performance testing we came to know that on 36 RAS the number of documents were between 72 to 94. Mostly were nearby 80. So its load balancing fine. I still don't have answer to my question .