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eZ Publish (5.x)

eZ Publish 5.x | For eZ Platform & eZ Studio topics see Technical manual and User manual, for eZ Publish 4.x and Legacy topics see eZ Publish legacy

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Code Block
        igbinary: true/false
        lzf: true/false
  • `ezpublishezpublish.stash_cache.igbinary` igbinary enables you to use the igbinary PHP extension to serialize objects stored in cache.
    • Recommended enabled in most use cases.
  • `ezpublishezpublish.stash_cache.lzf` lzf enables you to use the LZF PHP extension to compress serialized objects stored in cache.
    • Compression consumes some more CPU, . A scenario where it improves overall performance is when limited by redis Redis memory and/or network bandwidth is limited, with spare CPU capacity on PHP server. 


These options in combination results in around 1/2 memory usage for API caching compared to not being enabled, igbinary accounts for ~75% of that and LZF the remaining ~25% when configured for max compression.

After changing these settings you need to clear cache and purge Redis content .