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Updated Cloud Drive Benefits (markdown)

Chris Lu 2021-09-05 13:52:34 -07:00
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Cloud-Drive-Benefits.md

@ -52,6 +52,7 @@ However, how to make SeaweedFS work with data already on cloud?
# What SeaweedFS Cloud Drive is not?
* It is not a cache. Cache is slow for first-byte read. And cache size is usually limited.
* It is not a proxy. Proxy is not ideal for low-latency read or write operations.
* Its cache size is not limited. With unlimited size, all file content can be localized. So the read can be fast even on the first attempt, without worrying cached items are evicted due to capacity.
* Its cache is not write-through, which is slower than write-back. Usually local changes are asynchronously write back to the cloud within seconds.