Alex Emirov

I started looking into adding clang-tidy to the build, subject to first addressing issues found in cleanup #2053, which I also wanted to tackle to sort of get more acquainted...

> Yes, actually I didn't find documentation for glog to write the data to appender/target. As an example for log4cxx - https://logging.apache.org/log4cxx/latest_stable/extending-log4cxx.html. But feel free to create a similar task...

> cc @chusitoo Not a subject matter expert, but this looks like a very valid fix IMHO, and it is more or less equivalent to how the Java folks do...

Not to be confused with log4cpp, there is also [log4cplus](https://github.com/log4cplus/log4cplus) which seems to be quite popular based on the star rating.