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Created Cache Remote Storage (markdown)

Chris Lu 2021-08-09 23:51:02 -07:00
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After [[Mount Remote Storage]], you can already read or write files in the mounted directory.
However, sometimes you want to have a command to cache file content directly, instead of find the file, trigger one read in order to cache the file content.
And sometimes you may want to reduce local storage usage, to `uncache` the file content.
## Cache Mounted File Content
In `weed shell`, checkout `remote.cache` and `remote.uncache`:
```
> help remote.cache
remote.cache # cache the file content for mounted directories or files
# assume a remote storage is configured to name "s3_1"
remote.configure -name=s3_1 -type=s3 -access_key=xxx -secret_key=yyy
# mount and pull one bucket
remote.mount -dir=xxx -remote=s3_1/bucket
# after mount, run one of these command to cache the content of the files
remote.cache -dir=xxx
remote.cache -dir=xxx/some/sub/dir
> help remote.uncache
remote.uncache # keep the metadata but remote cache the file content for mounted directories or files
remote.uncache -dir=xxx
remote.uncache -dir=xxx/some/sub/dir
```
## Note
If you want some more flexibility to decide which file to cache or uncache, please help to send a PR.