[ovs-discuss] ovsdb update operation
badveli_vishnuus at yahoo.com
Mon Mar 23 23:27:01 UTC 2015
Thanks Sir,I have another question, was there any scalability numbers that are available?
I had created 2000 ovsdb-client monitoring on a database and
when i do a transact (insert operation) from another client i get following error,
error: Connection reset by peerovsdb-client: transaction failed (Connection reset by peer)
Was there any profiling done on ovsdb in terms of how many clients can be supported and also does it depend on data in tables?I am using a very large tables (potentially running into couple of mb's)
From: Ben Pfaff <blp at nicira.com>
To: vis reddy <badveli_vishnuus at yahoo.com>
Cc: "discuss at openvswitch.org" <discuss at openvswitch.org>
Sent: Wednesday, 25 February 2015 12:06 PM
Subject: Re: [ovs-discuss] ovsdb update operation
Please see the OVS makefiles, specifically the idlc related stuff in
ovsdb/automake.mk, also the manpage for ovsdb-idlc.
On Wed, Feb 25, 2015 at 07:53:05PM +0000, vis reddy wrote:
> Thanks Sir,I have another question i have my own schema vis.schemahow do i use??ovsdb-idlc to generate my own idl header filei see that vtep-idl.h generated from??vtep.ovsschema, vtep.xmlnot able to figure out how,??could you please explain???ThanksVishnu
> From: Ben Pfaff <blp at nicira.com>
> To: vis reddy <badveli_vishnuus at yahoo.com>
> Cc: "discuss at openvswitch.org" <discuss at openvswitch.org>
> Sent: Wednesday, 4 February 2015 2:17 PM
> Subject: Re: [ovs-discuss] ovsdb update operation
> On Wed, Feb 04, 2015 at 08:09:41PM +0000, vis reddy wrote:
> > Hello All,Going through rfc 7047
> > The operation updates rows in a table.?? It searches "table" for rows
> >?? ?? that match all the conditions specified in "where".?? For each
> >?? ?? matching row, it changes the value of each column specified in "row"
> >?? ?? to the value for that column specified in "row".
> > I am not able to find out if there is an operation??which tries to find a row that match conditions and if does not exist, it can insert,??how do we achieve some thing like this?
> > this is useful as I do not have a idea if the row is existing??i would want to update itor insert it if it does not exist. Should i always use select followed by insert or update operations.
> I think you'll have to select then insert or update in that case.
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