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XL: GetObject caching implemented for XL. (#2017)

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The object cache implementation is XL cache, which defaults
to 8GB worth of read cache. Currently GetObject() transparently
writes to this cache upon first client read and then subsequently
serves reads from the same cache.

Currently expiration is not implemented.
This commit is contained in:
Harshavardhana
2016-07-03 16:58:21 -07:00
parent 8d4365d23c
commit d2557bb538
12 changed files with 730 additions and 37 deletions
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8
server-main.go
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@@ -141,6 +141,14 @@ func initServerConfig(c *cli.Context) {
fatalIf(err, "Unable to convert MINIO_MAXCONN=%s environment variable into its integer value.", maxConnStr)
}
// Fetch max cache size from environment variable.
if maxCacheSizeStr := os.Getenv("MINIO_CACHE_SIZE"); maxCacheSizeStr != "" {
// We need to parse cache size to its integer value.
var err error
globalMaxCacheSize, err = strconvBytes(maxCacheSizeStr)
fatalIf(err, "Unable to convert MINIO_CACHE_SIZE=%s environment variable into its integer value.", maxCacheSizeStr)
}
// Fetch access keys from environment variables if any and update the config.
accessKey := os.Getenv("MINIO_ACCESS_KEY")
secretKey := os.Getenv("MINIO_SECRET_KEY")