doc: add release notes for dbcache bump

This commit is contained in:
Andrew Toth
2026-02-28 10:44:25 -05:00
parent c510d126ef
commit 4ae9a10ada

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## Updated settings
- The default `-dbcache` value has been increased to `1024` MiB from `450` MiB
on systems where at least `4096` MiB of RAM is detected.
This is a performance increase, but will use more memory.
To maintain the previous behaviour, set `-dbcache=450`.