phizev
phizev
/ zswap-stats
Last active
January 27, 2024 11:46
Simple, cruddy script to print out some zswap information, and attempt to calculate compression ratio, though unsure if it is accurate, nor if it accounts for overhead. Add -v to get raw dump of the module parameters and kernel debug statistics.
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| #! /bin/sh - | |
| ENABLED=$(cat /sys/module/zswap/parameters/enabled) | |
| COMPRESSOR=$(cat /sys/module/zswap/parameters/compressor) | |
| ZPOOL=$(cat /sys/module/zswap/parameters/zpool) | |
| PAGE_SIZE=$(getconf PAGE_SIZE) | |
| STORED_PAGES=$(cat /sys/kernel/debug/zswap/stored_pages) | |
| POOL_TOTAL_SIZE=$(cat /sys/kernel/debug/zswap/pool_total_size) | |
| POOL_SIZE=$(numfmt --to=iec-i $POOL_TOTAL_SIZE) |
phizev
/ README.txt
Last active
April 7, 2022 17:35
In short: Performance improvement, and a 50% reduction in cache_form, no negatives. Drupal database cache implementation using igbinary_(un)serialize().
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| Rationale: | |
| igbinary does an excellent job at creating compact serialized data as opposed to | |
| PHP's serializer. It's already used for serializing data stored in memcached, | |
| Drupal's form cache can get notoriously large, can igbinary help? | |
| https://github.com/igbinary/igbinary | |
| Experimentation: | |
| Drupal database cache implementation using igbinary_(un)serialize(). In my initial |