Optimizing PostgreSQL Performance & Compression: pglz vs. LZ4
Blog post from Tiger Data
This blog post discusses the comparison between pglz and LZ4 compression algorithms in PostgreSQL performance optimization. The author explains that while pglz is a variant of the Lempel-Ziv family of algorithms used by default for data compression in PostgreSQL's TOAST mechanism, LZ4 is more efficient, less CPU-intensive, and provides better compression and decompression throughput. Enabling LZ4 can significantly reduce storage requirements and improve query performance due to reduced I/O load. The author also provides instructions on how to set up LZ4 compression in PostgreSQL instances and shares benchmark results comparing pglz and LZ4, showing significant improvements in query execution times with LZ4 enabled.
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