Posts by Hendrik Makait
Dask performance benchmarking put to the test: Fixing a pandas bottleneck
- 23 June 2023
Getting notified of a significant performance regression the day before release sucks, but quickly identifying and resolving it feels great!
Observability for Distributed Computing with Dask
- 16 May 2023
Debugging is hard. Distributed debugging is hell.
When dealing with unexpected issues in a distributed system, you need to understand what and why it happened, how interactions between individual pieces contributed to the problems, and how to avoid them in the future. In other words, you need observability. This article explains what observability is, how Dask implements it, what pain points remain, and how Coiled helps you overcome these.
Shuffling large data at constant memory in Dask
- 15 March 2023
With release 2023.2.1, dask.dataframe introduces a new shuffling method called P2P, making sorts, merges, and joins faster and using constant memory.
Benchmarks show impressive improvements:
