IT Hare on Soft.ware

Disclosure: On this site you won’t find specific advice on “how to call function xyz()”. Interpreting C++ ARM and #pragma dwim is also out of scope.

We’re treating our readers as intelligent beings who can use Google and/or StackOverflow, where all such specific questions were answered more than once.

What you will find is opinions, more opinions, and even more opinions on all the aspects of software development - and with a large chunk of them based on real-world experience too.

Your mileage may vary. Batteries not included.


OLTP DB Optimizations 102 – Group Commits

Quote: “if we can commit several transactions at the same time – RDBMS needs to fsync() our DB logs to physical disks only once”
Another Quote: “if going our preferred way of single-writing-DB connection – make sure NOT to use RDBMS-level Group Com”

OLTP DB Optimizations 102 –100% Coherent App-Level Cache for Single-writing-DB-connection

Quote: “with our app-level cache, we’re guaranteed to get exactly the same results as if we’d be querying the underlying database.”
Another Quote: “why settle for invalidation when we can modify cache accordingly, saving on the extra DB request when we’re dealing with the same USER again?”

CPPCON Day #5. Miscellaneous

I’m back from #CPPCON2017 now, and can report on the last day of it. First (and IMO foremost <wink />), there was my own talk on “Eight Ways to Handle Non-blocking Returns in Message-passing Programs: from C++98 via C++11 to C++20”. Not sure whether it was exciting enough (and 3 or 4 people left the […]

#CPPCON2017. Day 4. Async Rulezzz!

During the Day 4 of CPPCON, I had to prepare to my own talk tomorrow; still – I was able to attend all the talks I was interested in. But before I can start – let’s discuss a thing which I just understood during CPPCON17; it is related to… Big Fallacies of Parallel Programming for […]

#CPPCON2017. Day 3. The Future of C++

At #CPPCON2017 Day 3, I spent most of the time on the meetings of SG14 (on games and low-latency stuff); while it was certainly useful for me – the most interesting things on Day 3 happened outside of SG14. Generative C++ == The Future IMNSHO, the most important talk of Day 3 (and probably of […]