On Wed, May 22, 2013 at 7:54 PM, Mark Brown wrote:
> Thanks Chuck.
>
> Just one more question about rebalancing. Have there been measurements on
> how much it affects performance when a rebalance is in progress? I would
> assume its an operation that puts some load on the system, while also
> keep
From: Chuck Thier
To: Mark Brown
Cc: Openstack
Sent: Wednesday, May 22, 2013 7:26 AM
Subject: Re: [Openstack] Swift questions
Hey Mark,
On Wed, May 22, 2013 at 8:59 AM, Mark Brown wrote:
Thank you for the responses Chuck.
>
>
>As part of a rebalance, the replicator, I would assum
Hey Mark,
On Wed, May 22, 2013 at 8:59 AM, Mark Brown wrote:
> Thank you for the responses Chuck.
>
> As part of a rebalance, the replicator, I would assume, copies the object
> from the old partition to the new partition, and then deletes it from the
> old partition. Is that a fair assumption?
>
node is
picked? What if the ring changes and the data still lives on the handoff node?
-- Mark
From: Chuck Thier
To: Mark Brown
Cc: Openstack
Sent: Tuesday, May 21, 2013 6:53 PM
Subject: Re: [Openstack] Swift questions
Hi Mark,
On Tue, May 21, 2013
On Wed, May 22, 2013 at 3:53 AM, Chuck Thier wrote:
> It can be set to 1, and I think the default devstack install may do exactly
> that.
this is correct, this is the default devstack install to set one replica.
Chmouel.
___
Mailing list: https://lau
Hi Mark,
On Tue, May 21, 2013 at 6:46 PM, Mark Brown wrote:
> Hello,
> I had a few more basic Swift questions..
>
> 1. In Swift, when a rebalance is happening, does the client have write
> access to the object? Does Swift have a mechanism to lock down one copy
> which it is moving, and allow upda
Hello,
I had a few more basic Swift questions..
1. In Swift, when a rebalance is happening, does the client have write access
to the object? Does Swift have a mechanism to lock down one copy which it is
moving, and allow updates to the remaining two copies and do a final sync
somehow? What is t
: Mark Brown
To: David Hadas
Cc: "openstack@lists.launchpad.net"
Sent: Sunday, May 12, 2013 11:25 PM
Subject: Re: [Openstack] Swift questions.
Thanks again, David. Definitely helps.
Is the alternative node you refer to here the "handoff" node? Is the handoff
node something
doff node is.-- Mark.From: David Hadas To: Mark Brown Cc: "openstack@lists.launchpad.net" Sent: Sunday, May 12, 2013 11:13 PM Subject: Re: [Openstack] Swift questions. Mark, It would mark the server as having insufficient storage (to avoid retrying the same server for a while) and
the object server somehow, but it would need to know where the
handoff node is.
-- Mark.
From: David Hadas
To: Mark Brown
Cc: "openstack@lists.launchpad.net"
Sent: Sunday, May 12, 2013 11:13 PM
Subject: Re: [Openstack] Swift questions.
Mark,
It w
From: David Hadas To: Mark Brown Cc: "openstack@lists.launchpad.net" Sent: Sunday, May 12, 2013 10:36 PM Subject: Re: [Openstack] Swift questions. Mark, Regarding your first Q:Swift evenly balance the hard-drives such that in a correctly configured system, you should expect
Hadas
To: Mark Brown
Cc: "openstack@lists.launchpad.net"
Sent: Sunday, May 12, 2013 10:36 PM
Subject: Re: [Openstack] Swift questions.
Mark,
Regarding your first Q:
Swift evenly balance the hard-drives such that in a correctly configured
system, you should expect one hard-drive
Mark, Regarding your first Q:Swift evenly balance the hard-drives such that in a correctly configured system, you should expect one hard-drive being more full than the other. There is manual a mechanism in swift to balance hard-drives by moving partitions to/from hard-drive but you should need to u
Hello guys,
Been looking at Swift for some projects, and had some very basic questions.
1. How does Swift determine a certain partition is full? And when it does
detect that, what does it do? Does it return an error to the client?
2. Regarding container sync, has anyone used container sync in th
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