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Updated Cloud Drive Architecture (markdown)

Chris Lu committed 2021-08-31 01:46:49 -07:00
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Cloud-Drive-Architecture.md
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@@ -23,9 +23,9 @@ With this feature, SeaweedFS can cache data that is on cloud. It can cache both
![SeaweedFS Cloud Drive](https://raw.githubusercontent.com/chrislusf/seaweedfs/master/note/SeaweedFS_RemoteMount.png)
```
[HDFS|Mount|HTTP|S3|WebDAV] <== Filer(metadata cache) <== Volume Servers (data cache) <== Cloud
[HDFS|Mount|HTTP|S3|WebDAV] <== Filer(metadata cache) <== Volume Servers (data cache) <== Cloud
[HDFS|Mount|HTTP|S3|WebDAV] ==> Filer(metadata cache) ==> Volume Servers (data cache) ==> `weed filer.remote.sync` ==> Cloud
[HDFS|Mount|HTTP|S3|WebDAV] ==> Filer(metadata cache) ==> Volume Servers (data cache) ==> `weed filer.remote.sync` ==> Cloud
```
There are no directory or file format changes to existing data on the cloud. So you do not need to change all existing workflows to read or write cloud files.