Posts by Patrick Peschlow

Scaling an Elasticsearch Index – Introduction

A well-known design decision of Elasticsearch is that a fixed number of shards has to be specified when creating an... Read more

Earlier this year a customer mentioned a search requirement that I hadn’t really thought about before: How to achieve transactions... Read more

Performance

You plan to index large amounts of data in Elasticsearch? Or you are already trying to do so but it turns out that throughput is... Read more

Elasticsearch offers a highly useful plugin mechanism as a standard way for extending its core. Plugins enable developers to add... Read more

Java

The last part of this series is about garbage collection logging and associated flags. The GC log is a highly... Read more

Java

The Concurrent Mark Sweep Collector (“CMS Collector”) of the HotSpot JVM has one primary goal: low application pause times. This... Read more

Java

For most application areas that we find in practice, a garbage collection (GC) algorithm is being evaluated according to two... Read more

General

Recently, an article of mine appeared on the German site Heise Developer, and today the English translation was published on The... Read more

Java

In this part of our series we focus on one of the major areas of the heap, the “young generation”.... Read more