Hi all,
here is a (hopefully) tricky one ...
We have a two node RAC (9202), two applications run on either side, no problems there. We have a business critical process that runs all the time on node T2. This process needs to have a set response time or it affects business. And it is written in VB. Currently we have already handled the situations when a node is down (or machine is down) it fails over to the other side and continues.
What we need to cater for is when DB is up, but sick (i.e. not responding). We need to be able to specify a timeout in the queries and when we get no response in the specified time, we need to automatically fail over to the other side.
The queries in the application are optimally written, they are sub-second or single digit second queries. So, a query taking a long time would be about 10-15 seconds.
While we are fishing for ideas, has anyone implemented anything like this? Any ideas?
Thanks in advance
Raj
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Rajendra dot Jamadagni at nospamespn dot com
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