ActiveJDBC can report on times queries are taking to execute. If statistics collection is enabled, then AJ will start accumulating times it takes to execute various queries. This information can help identify bottlenecks in application performance.


In order to configure ActiveJDBC to collect statistical data on queries, you need to add one property to file:

collectStatistics = true

On the next start of the application, ActiveJDBC will collect statistical data on queries.

How to get queries execution times

The API to get statistical data is:

Where argument to getReportSortedBy(...) methods can be one of: total, avg, min, max, count and this indicates how you want to sort the results (the values are self-explanatory). The QueryStats object is a simple bean which contains the query text, as well as values: total, avg, min, max, count.

Caution: in case you are building a large number of dynamic queries, you will have a large number of QueryStats objects. Statistics best work in cases when the same queries are reused.

How to generate non - ActiveJDBC statistics report

In some cases, you might want to accumulate statistical information for actions in your application which have nothing to do with ActiveJDBC. You can then perform this operation:

Where query is your custom operation, and start was a time before it started. The statistical information for your operation will then be accumulated and available for reporting just as any other ActiveJDBC query.

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