From 9892ca8fca6b88eab13bb01626e3eadc1076ec1e Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Thu, 10 Sep 2020 01:50:13 -0700 Subject: [PATCH] Updated Filer Active Active xDC synchronization (markdown) --- Filer-Active-Active-xDC-synchronization.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Filer-Active-Active-xDC-synchronization.md b/Filer-Active-Active-xDC-synchronization.md index 69579c5..ed91164 100644 --- a/Filer-Active-Active-xDC-synchronization.md +++ b/Filer-Active-Active-xDC-synchronization.md @@ -65,7 +65,7 @@ cluster1 <-- filer.sync --> cluster2 -- filer.sync --> cluster3 -- filer.sync - Each filer has its own local change logs. `weed filer.sync` will read the logs and replay them in the other cluster. -`weed filer.sync` also remembers each filer's "signature" and replication checkpoints. So you can stop `weed filer.sync` and start it later safely. +`weed filer.sync` remembers each filer's "signature" and replication checkpoints. So you can stop `weed filer.sync` and start it later safely. Also, the "signature" will ensure same change will only be applied once in one filer. Active-Active synchronization would not cause multiple ping-pong changes for one file update.