Google has opened the source code of the Szl project, which provides the implementation of the programming language Sawzall. Sawzall is a domain-specific programming language designed for parallel analysis of very large data arrays. To better understand the volume of this data, it is enough to imagine that Google uses this language to analyze logs (logs) generated on the company's servers. The Szl source code is open under the free Apache License 2.0 license and is available on code.google.com . There you can also find examples of using Sawzall and learn more about the language.