We have a measure for JDBC Connection Pool Percent used. We have an alert trigger at anything over 90% usage. Strangely enough, some of those alerts have been triggered with a usage of 104%.
How is it possible to have usage greater than 100% for that metric?
Also, when it measures the percentage, is that for the JVM connections, or is it for the entire database?
Thanks in advance.
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Thanks for the response. The second portion clears up that aspect.
Now, I was told that the pool size did not change during that or any time period close to it. This is our Production environment, so I wouldn't have assumed it changed, but I checked to make sure.
Any other thoughts on possibilities?
Thanks. Well - In this case I almost think that the JMX measure provided by WebSphere is probably wrong. we capture this data every 10 seconds and provide the data point "as-is" to the dynatrace time-series center. have you tried asking questions in a websphere forum to see whether anybody else has seen values > 100%
Shandi, As suggested earlier in this thread, this is likely due to these values coming directly out of Websphere. Perhaps you can use the WebSphere console and observe this value over the same time period and see if you get similar illogical values. As stated, AppMon does not manipulate these values, but simply store them as we receive them from WebSphere.