From 8384d9bea7104769d3a209c78fe283fc85b2ae74 Mon Sep 17 00:00:00 2001 From: chrislusf Date: Thu, 6 Aug 2015 19:43:52 -0700 Subject: [PATCH] Updated Distributed Filer (markdown) --- Distributed-Filer.md | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Distributed-Filer.md b/Distributed-Filer.md index 49c39be..b9ed001 100644 --- a/Distributed-Filer.md +++ b/Distributed-Filer.md @@ -90,6 +90,16 @@ For one file retrieval, the full_filename=>file_id lookup will be O(logN) using Redis or Cassandra. But very likely the one additional network hop would take longer than the actual lookup. +## Deployment Notes + +Replication is controlled by the client side. The filer's default replication is "000". To enable it, start filer with similar option like this: + +```bash + -defaultReplicaPlacement=001 +``` + +The same setting on master server would not take effect since filer will always use the specified or filer's default replication to write. + ## Use Cases Clients can assess one "weed filer" via HTTP, create files via HTTP POST,