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mount: add on disk caching

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This commit is contained in:
Chris Lu
2020-04-11 21:12:41 -07:00
parent c8ca234773
commit df97da25f9
9 changed files with 378 additions and 35 deletions
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10
weed/command/mount.go
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@@ -1,5 +1,9 @@
package command
import (
"os"
)
type MountOptions struct {
filer *string
filerMountRootPath *string
@@ -9,7 +13,8 @@ type MountOptions struct {
replication *string
ttlSec *int
chunkSizeLimitMB *int
chunkCacheCountLimit *int64
cacheDir *string
cacheSizeMB *int64
dataCenter *string
allowOthers *bool
umaskString *string
@@ -33,7 +38,8 @@ func init() {
mountOptions.replication = cmdMount.Flag.String("replication", "", "replication(e.g. 000, 001) to create to files. If empty, let filer decide.")
mountOptions.ttlSec = cmdMount.Flag.Int("ttl", 0, "file ttl in seconds")
mountOptions.chunkSizeLimitMB = cmdMount.Flag.Int("chunkSizeLimitMB", 4, "local write buffer size, also chunk large files")
mountOptions.chunkCacheCountLimit = cmdMount.Flag.Int64("chunkCacheCountLimit", 1000, "number of file chunks to cache in memory")
mountOptions.cacheDir = cmdMount.Flag.String("cacheDir", os.TempDir(), "local cache directory for file chunks")
mountOptions.cacheSizeMB = cmdMount.Flag.Int64("cacheCapacityMB", 1000, "local cache capacity in MB")
mountOptions.dataCenter = cmdMount.Flag.String("dataCenter", "", "prefer to write to the data center")
mountOptions.allowOthers = cmdMount.Flag.Bool("allowOthers", true, "allows other users to access the file system")
mountOptions.umaskString = cmdMount.Flag.String("umask", "022", "octal umask, e.g., 022, 0111")