On 09/19/2016 02:27 PM, Sela, Guy wrote:
> So in order to get a snapshot of time
> So could I theoretically do:
> * DOMDataReadTransaction.read(YangInstanceIdentifier.EMPTY)
> * Get the BI root.
> * Extract the BI subtrees from the BI Root
> * Convert the BI subtrees to BA subtrees using TPUtils-l
: controller-dev
Subject: Re: [controller-dev] [documentation] Questions about ODL clustering
On 09/19/2016 12:20 PM, Sela, Guy wrote:
> Oh I missed the fact you are talking about the new API that returns
> NormalizedNode (BI).
> I was referring to th
On 09/19/2016 12:20 PM, Sela, Guy wrote:
> Oh I missed the fact you are talking about the new API that returns
> NormalizedNode (BI).
> I was referring to the old API:
> org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction.read(..)
Top-level root is not representable in BA because
: 'Robert Varga' ; Tom Pantelis
Cc: controller-dev
Subject: RE: [controller-dev] [documentation] Questions about ODL clustering
If they don't have a joint root in BA world, what can I do with the value
returned from issuing DOMDataReadTransaction.read(YangInstanceIdentifier.EMPTY)?
It is
onday, September 19, 2016 12:24 PM
To: Sela, Guy ; Tom Pantelis
Cc: controller-dev
Subject: Re: [controller-dev] [documentation] Questions about ODL clustering
On 09/19/2016 11:13 AM, Sela, Guy wrote:
> Do all of them have a joint root? (YangInstanceIdentifier.EMPTY)?
In BI world they do. In BA wo
On 09/19/2016 11:13 AM, Sela, Guy wrote:
> Do all of them have a joint root? (YangInstanceIdentifier.EMPTY)?
In BI world they do. In BA world they do not.
> Will issuing DOMDataReadTransaction.read(YangInstanceIdentifier.EMPTY)
> provide me a snapshot of all?
> Sounds like it can't work in a Clu
ailto:controller-dev-boun...@lists.opendaylight.org] On Behalf Of Robert Varga
Sent: Monday, September 19, 2016 11:26 AM
To: Sela, Guy ; Tom Pantelis
Cc: controller-dev
Subject: Re: [controller-dev] [documentation] Questions about ODL clustering
On 09/18/2016 02:28 PM, Sela, Guy wrote:
> Wh
On 09/18/2016 02:24 PM, Sela, Guy wrote:
> Are there any plans to do something regarding snapshots that resembles
> Snapshot Isolation in a DB?
All current shard/data store implementations are based on
InMemoryDataTree, which features MVCC-based full snapshot isolation..
Bye,
Robert
signature
On 09/18/2016 02:28 PM, Sela, Guy wrote:
> What I mean is to be able to create a snapshot of the entire state and not
> only a specific data tree.
Do you by 'specific data tree' mean 'specific subtree'?
We do not guarantee consistency across shards, but you can read all
shards by issuing a
DOMDa
Tom Pantelis
Cc: controller-dev
Subject: RE: [controller-dev] [documentation] Questions about ODL clustering
Hi Guy,
There is a jmx operation (can be invoked via JConsole) to dump the snapshot on
demand on per shard basis for config DS shards.
Transactions do take snapshots but the
ylight.org
[mailto:controller-dev-boun...@lists.opendaylight.org] On Behalf Of Sela, Guy
Sent: Sunday, September 18, 2016 5:59 PM
To: Robert Varga; Tom Pantelis
Cc: controller-dev
Subject: Re: [controller-dev] [documentation] Questions about ODL clustering
What I mean is to be able to create a snaps
:25 PM
To: Robert Varga ; Tom Pantelis
Cc: controller-dev
Subject: Re: [controller-dev] [documentation] Questions about ODL clustering
Thanks.
Are there any plans to do something regarding snapshots that resembles Snapshot
Isolation in a DB?
For example:
https://msdn.microsoft.com/en-us/library
...@lists.opendaylight.org] On Behalf Of Robert Varga
Sent: Sunday, September 18, 2016 1:28 PM
To: Sela, Guy ; Tom Pantelis
Cc: controller-dev
Subject: Re: [controller-dev] [documentation] Questions about ODL clustering
On 09/15/2016 05:17 PM, Sela, Guy wrote:
> ReadOnlyTransaction
On 09/15/2016 05:17 PM, Sela, Guy wrote:
> ReadOnlyTransaction tx = db.newReadOnlyTransaction();
>
> CheckedFuture, ReadFailedException> read1 =
> tx.read(X, Y)
>
> CheckedFuture, ReadFailedException> read2 =
> tx.read(Z, H)
>
>
>
> read1 and read2 were read from different snapshots?
>
> Doe
?
From: Sela, Guy
Sent: Thursday, September 15, 2016 6:17 PM
To: 'Tom Pantelis'
Cc: Muthukumaran K ; Moiz Raja (moraja)
; Srini Seetharaman ;
controller-dev
Subject: RE: [controller-dev] [documentation] Questions about ODL clustering
ReadOnlyTransaction tx = db.newReadOnlyT
t data trees?
From: Tom Pantelis [mailto:tompante...@gmail.com]
Sent: Thursday, September 15, 2016 6:13 PM
To: Sela, Guy
Cc: Muthukumaran K ; Moiz Raja (moraja)
; Srini Seetharaman ;
controller-dev
Subject: Re: [controller-dev] [documentation] Questions about ODL clustering
Not sure I follow your
o:
> controller-dev-boun...@lists.opendaylight.org] *On Behalf Of *Muthukumaran
> K
> *Sent:* Thursday, September 15, 2016 7:29 AM
> *To:* Moiz Raja (moraja) ; Tom Pantelis <
> tompante...@gmail.com>; Srini Seetharaman
> *Cc:* controller-dev
>
>
> *Subject:* R
, Guy
Cc: Muthukumaran K ; Moiz Raja (moraja)
; Srini Seetharaman ;
controller-dev
Subject: Re: [controller-dev] [documentation] Questions about ODL clustering
I assume DataTree X and Y are in different shards. The snapshot of the DataTree
in a backend shard is actually taken at the time of the
ndaylight.org [
> mailto:controller-dev-boun...@lists.opendaylight.org
> ] *On Behalf Of *Moiz Raja
> (moraja)
> *Sent:* Thursday, September 15, 2016 3:06 AM
> *To:* Tom Pantelis; Srini Seetharaman
> *Cc:* controller-dev
> *Subject:* Re: [controller-dev] [documentation] Questions ab
Raja (moraja) ; Tom Pantelis
; Srini Seetharaman
Cc: controller-dev
Subject: Re: [controller-dev] [documentation] Questions about ODL clustering
Hi Srini,
We have tried the approach what Moiz had mentioned – using CDTCN and caching
data, and it was quite performant in one of our reference
...@lists.opendaylight.org
[mailto:controller-dev-boun...@lists.opendaylight.org] On Behalf Of Moiz Raja
(moraja)
Sent: Thursday, September 15, 2016 3:06 AM
To: Tom Pantelis; Srini Seetharaman
Cc: controller-dev
Subject: Re: [controller-dev] [documentation] Questions about ODL clustering
The single use
PM
To: Srini Seetharaman
mailto:srini.seethara...@gmail.com>>
Cc: Moiz Raja mailto:mor...@cisco.com>>, controller-dev
mailto:controller-dev@lists.opendaylight.org>>
Subject: Re: [controller-dev] [documentation] Questions about ODL clustering
All reads still go to the le
All reads still go to the leader. There has been an enhancement
https://bugs.opendaylight.org/show_bug.cgi?id=2504 open for this but hasn't
been implemented. There is an alternative way using
a DataTreeChangeListener as Moiz mentioned in the bug.
On Wed, Sep 14, 2016 at 4:57 PM, Srini Seetharaman
With Beryllium-SR3, I just verified using tcpdump on port 2550 that the
data for the read operation at the follower came over the network from the
shard leader.
Is there any plan with Boron to make it a local read from the replica?
On Wed, Sep 14, 2016 at 1:43 PM, Srini Seetharaman <
srini.seetha
Hi Tom and Moiz
Is it still the case with Beryllium and Boron that the read transactions
from a follower are forwarded to the leader?
Thanks
Srini.
On Sat, Feb 28, 2015 at 8:26 AM, Tom Pantelis wrote:
> Colin, Tianzhu
>
> Reads are also forwarded to the leader so, yes, remote reads would take
>
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