A logging rule that lives in a wiki holds only where its author was looking. How we turned it into a JUnit test that scans every module’s sources, why it must prove it scanned something, and why we decided against runtime log masking.
GDPR-compliant logging in Spring Boot, part 1: what must never reach a log line
A record’s toString(), an exception message your global handler logs, an e-mail as the actor: the three leaks that put personal data into almost every Spring API’s logs, and what to write instead.
Graph analysis of Stack Overflow tags with Oracle PGX – Part 2: Incremental Updates
This is the second part of our three-part blog post series (see the first part here), which deals with incremental data updates. In our scenario we assume that we acquire small batches of data updates using some kind of web scraping mechanism. We will not deal with the details of that mechanism, as it is beyond the scope of this …
Graph analysis of Stack Overflow tags with Oracle PGX – Part 1: Data Engineering
Intoduction Oracle Parallel Graph Analytics (PGX) is a toolkit for graph analysis, both for running algorithms such as PageRank and for performing SQL-like pattern-matching against graphs. Extreme performance is offered through algorithm parallelization, and graphs can be loaded from a variety of sources such as flat files, SQL and NoSQL databases etc. So, in order to get a deeper feeling, …