[Openstack] Regarding replicator behavior with single replica
yuan.zhou at intel.com
Thu Sep 12 03:24:27 UTC 2013
One possible reason is that one of your devices is unavailable when you're uploading ?
This makes some of objects are uploaded to handoff devices actually and obj-replicator will try to move them back to primary devices.
From: Vengurlekar, Tushar V (USD-SWD) [mailto:tushar.vengurlekar at hp.com]
Sent: Wednesday, September 11, 2013 8:02 PM
To: openstack at lists.openstack.org
Subject: [Openstack] Regarding replicator behavior with single replica
I was trying a Swift setup having single replica configured with 4 devices added to the ring with different IP addresses.
Later (after all replication/rebalance completed) I uploaded many objects in a multiple containers.
I observe the data movement across these devices through rsync replicator daemon.
I understand that the object rebalance (using rsync) should happen only when we add devices or change weight value in ring (and if multiple replicas configured).
So what is a reason that it performs data movement (of newly uploaded objects) without any ring changes and single replica?
Thanks in advance,
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