Dynatrace server DB connection

Question

HI

One of our customer observes on there Dynatrace 6.1 server strong use of it's database access (lots of JDBC connections... over 40...).

Is there any existing builin metric provided in the SelfMonitoring SP to monitor it ?

Thanks

Philippe

Answer 1

Answer by Andreas G. · Mar 05, 2015 at 10:20 PM

Hi

Do you mean that they see DB Connections being opened from the Dynatrace Server to the Performance Warehouse Database? Or do you mean you see lots of DB Connections being opened by the application they are monitoring?

Andi

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Answer 2

Answer by philippe d. · Mar 06, 2015 at 12:21 AM

Hi Andreas

Yes DB connections from DT server to DB warehouse.

Thanks

Philippe

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Answer 3

Answer by Alois M. · Mar 06, 2015 at 01:51 AM

Hi Philippe,

Dynatrace have no metric for the count of used connections.

dynatrace use the apache jdbc connection pool.The initial size is by default 10.
The maximum size is 50(can be changed with debugflag).
The pool closes connections that are older than 15 minutes and are not in use.

Is the count of the open connection growing over time? Or there are special times where the count is high?

Alois

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Answer 4

Answer by philippe d. · Mar 06, 2015 at 02:42 AM

Hi Alois

Thanks for your feedback.

No just some specific load activities during a moment... After its' come back normal again.

Will check it with the customer.

Thanks

Philippe

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Dynatrace server DB connection

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Dynatrace server DB connection

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