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cache: remove cache space constraint (#6635)

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relax cache constraint of requiring 100 times size of object
being cached for better cache utilization.
This commit is contained in:
poornas
2018-10-15 22:36:42 -07:00
committed by Nitish Tiwari
parent 23b166b318
commit 557f382477
2 changed files with 7 additions and 10 deletions
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docs/disk-caching/DESIGN.md
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@@ -31,7 +31,7 @@ minio server -h
- The cache drives are required to be a filesystem mount point with [`atime`](http://kerolasa.github.io/filetimes.html) support to be enabled on the drive. Alternatively writable directories with atime support can be specified in MINIO_CACHE_DRIVES
- Expiration of each cached entry takes user provided expiry as a hint, and defaults to 90 days if not provided.
- Garbage collection sweep of the expired cache entries happens whenever cache usage is > 80% of drive capacity, GC continues until sufficient disk space is reclaimed.
- An object is only cached when drive has sufficient disk space, upto 100 times the size of the object.
- An object is only cached when drive has sufficient disk space.
## Behavior
Disk caching caches objects for both **uploaded** and **downloaded** objects i.e