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Updated Filer Stores (markdown)

Chris Lu 2021-01-12 02:41:53 -08:00
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Filer-Stores.md

@ -8,6 +8,7 @@ The Filer Store persists all file metadata and directory information.
| leveldb | O(logN)| unlimited | Local, Very Fast | | Yes| Default, fairly scalable |
| RocksDB | O(logN)| unlimited | Local, Very Fast | | Native| Default, fairly scalable |
| leveldb2 | O(logN)| unlimited | Local, Very Fast, faster than leveldb | | Yes| Similar to leveldb, part of the lookup key is 128bit MD5 instead of the long full file path |
| leveldb3 | O(logN)| unlimited | Local, Very Fast | | Yes| Similar to leveldb2, separate leveldb instance for each bucket |
| Mongodb | O(logN)| unlimited | Local or Distributed, Fast | | Yes| Easy to manage |
| Redis | O(1) | limited | Local or Distributed, Fastest ||Native| one directory's sub file names are stored in one key~value entry |
| Cassandra | O(logN)| unlimited | Local or Distributed, Very Fast||Native| |