From 18bb308ef8b2945ae39129412088ffecba2ca20b Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Tue, 21 Apr 2020 22:14:08 -0700 Subject: [PATCH] Updated Filer Stores (markdown) --- Filer-Stores.md | 1 + 1 file changed, 1 insertion(+) diff --git a/Filer-Stores.md b/Filer-Stores.md index a6336ac..e9f7b24 100644 --- a/Filer-Stores.md +++ b/Filer-Stores.md @@ -7,6 +7,7 @@ The Filer Store persists all file metadata and directory information. | memory | O(1) | limited by memory | Local, Fast | | Yes| for testing only, no persistent storage | | leveldb | O(logN)| unlimited | Local, Very Fast | | Yes| 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 | +| Mongodb | O(logN)| unlimited | Local or Distributed, Fast | | Yes| Easy to manage | | Redis | O(1) | limited | Local or Distributed, Fastest ||Yes| one directory's sub file names are stored in one key~value entry | | Cassandra | O(logN)| unlimited | Local or Distributed, Very Fast||Yes| | | MySql | O(logN)| unlimited | Local or Distributed, Fast |Atomic| Yes| Easy to manage |