Meituan Technology Team

Aug 31, 2023 · Backend Development

Performance Optimization of Java Compression in MJDK Using ISA‑L Based mzlib

The article explains how MJDK, Meituan's OpenJDK‑based distribution, integrates the Intel ISA‑L‑optimized mzlib library into java.util.zip, preserving API and format compatibility while delivering a five‑to‑ten‑fold increase in compression and decompression throughput, backed by benchmark results on the Silesia corpus.