Make a profiling and measure service performance

[Vasar007]

Is your feature request related to a problem? Please describe.
We should research potential issue related to performance and memory consumption.

Describe the solution you'd like
Use profiling tools to find critical places in ProjectV serivces. All found problems should be documented as issues in this repository.

Describe alternatives you've considered
None.

Additional context
Please, provide detailed report and write stress tests.