poornas 224b4f13b8 Add cache eviction low and high watermarks (#8958) ... To allow better control the cache eviction process. Introduce MINIO_CACHE_WATERMARK_LOW and MINIO_CACHE_WATERMARK_HIGH env. variables to specify when to stop/start cache eviction process. Deprecate MINIO_CACHE_EXPIRY environment variable. Cache gc sweeps at 30 minute intervals whenever high watermark is reached to clear least recently accessed entries in the cache until sufficient space is cleared to reach the low watermark. Garbage collection uses an adaptive file scoring approach based on last access time, with greater weights assigned to larger objects and those with more hits to find the candidates for eviction. Thanks to @klauspost for this file scoring algorithm Co-authored-by: Klaus Post <klauspost@minio.io>		2020-02-23 19:03:39 +05:30
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gateway-b2.go	Add cache eviction low and high watermarks (#8958)	2020-02-23 19:03:39 +05:30
gateway-b2_test.go	Switch to kurin/blazer from minio/blazer fork for b2 gateway (#7879)	2019-07-09 08:14:02 -07:00