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From: Dmitriy Setrakyan <dsetrakyan@apache.org>
Date: Thu, 14 Jan 2016 12:30:13 -0800
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Subject: Re: What is jdbc:ignite:cfg ??
To: dev@ignite.apache.org
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Andrey, I am still a bit unclear. Why not have ability to specify a default
cache per notebook, not per-interpreter?

On Thu, Jan 14, 2016 at 8:42 AM, Andrey Gura <agura@gridgain.com> wrote:

> Hello,
>
> JFYI, I created ticket as result of this discussion:
> https://issues.apache.org/jira/browse/IGNITE-2382
>
>
>
> On Thu, Dec 10, 2015 at 10:29 PM, Dmitriy Setrakyan <dsetrakyan@apache.org
> >
> wrote:
>
> > Andrey,
> >
> > I agree on both points. However, I still think that we should provide
> > sample step-by-step guide with a sample configuration. This configuration
> > should include a couple of data types, like Person and Organization,
> define
> > indexes for them, etc.
> >
> > This guide should include:
> >
> > 1. Start Ignite Servers
> > 2. Populate data - should have example with configuration.
> > 3. Query data using JDBC driver - example code and, if needed,
> > configuration to support it.
> >
> > Do you mind adding it?
> >
> > D.
> >
> > On Thu, Dec 10, 2015 at 7:50 AM, Andrey Gura <agura@gridgain.com> wrote:
> >
> > > I didn't think that we should force client mode at moment of
> > > implementation. But I can't provide any reason not to do it.
> > >
> > > So we need two small improvements to JDBC driver:
> > >
> > > 1. Always force client mode.
> > > 2. Use default configuration in cases when user did't specify any URL.
> > This
> > > configuration should just use client mode and default values for rest
> > > properties.
> > >
> > > Right?
> > >
> > > On Thu, Dec 10, 2015 at 9:05 AM, Dmitriy Setrakyan <
> > dsetrakyan@apache.org>
> > > wrote:
> > >
> > > > On Wed, Dec 9, 2015 at 10:04 PM, Valentin Kulichenko <
> > > > valentin.kulichenko@gmail.com> wrote:
> > > >
> > > > > Actually, why don't we set it automatically? It doesn't make much
> > sense
> > > > to
> > > > > have a server node in a JDBC driver.
> > > > >
> > > >
> > > > Completely agree.
> > > >
> > > >
> > > > >
> > > > > -Val
> > > > >
> > > > > On Wed, Dec 9, 2015 at 10:02 PM, Dmitriy Setrakyan <
> > > > dsetrakyan@apache.org>
> > > > > wrote:
> > > > >
> > > > > > On Wed, Dec 9, 2015 at 6:46 PM, Konstantin Boudnik <
> cos@apache.org
> > >
> > > > > wrote:
> > > > > >
> > > > > > > On Wed, Dec 09, 2015 at 04:01PM, Dmitriy Setrakyan wrote:
> > > > > > > > Thanks Andrey!
> > > > > > > >
> > > > > > > > Why are we enabling peer class loading for the JDBC driver in
> > > your
> > > > > > > example?
> > > > > > > > To my knowledge, we are not deploying any classes, are we?
> > Also,
> > > > the
> > > > > > TCP
> > > > > > > > discovery with multicast is the default, so no reason to
> > specify
> > > it
> > > > > > > either.
> > > > > > > >
> > > > > > > > It seems that the only properly required is clientMode=true,
> > no?
> > > > > > >
> > > > > > > If this is the case, then _no_ config is really needed,
> perhaps?
> > > > > > >
> > > > > >
> > > > > > Well, we still need to specify clientMode, no?
> > > > > >
> > > > > >
> > > > > > >
> > > > > > > >
> > > > > > > > D.
> > > > > > > >
> > > > > > > > On Wed, Dec 9, 2015 at 8:54 AM, Andrey Gura <
> > agura@gridgain.com>
> > > > > > wrote:
> > > > > > > >
> > > > > > > > > Configuration sample added.
> > > > > > > > >
> > > > > > > > > On Tue, Dec 8, 2015 at 10:20 PM, Dmitriy Setrakyan <
> > > > > > > dsetrakyan@apache.org>
> > > > > > > > > wrote:
> > > > > > > > >
> > > > > > > > > > Thanks Andrey!
> > > > > > > > > >
> > > > > > > > > > In my view, we should also provide a sample XML
> > configuration
> > > > > file,
> > > > > > > > > > especially given that we refer to it in the sample URL.
> > > > > > > > > >
> > > > > > > > > > D.
> > > > > > > > > >
> > > > > > > > > > On Tue, Dec 8, 2015 at 10:17 AM, Andrey Gura <
> > > > agura@gridgain.com
> > > > > >
> > > > > > > wrote:
> > > > > > > > > >
> > > > > > > > > > > Done. I hope that is more clear now.
> > > > > > > > > > >
> > > > > > > > > > > On Tue, Dec 8, 2015 at 1:14 AM, Dmitriy Setrakyan <
> > > > > > > > > dsetrakyan@apache.org
> > > > > > > > > > >
> > > > > > > > > > > wrote:
> > > > > > > > > > >
> > > > > > > > > > > > On Mon, Dec 7, 2015 at 10:17 AM, Andrey Gura <
> > > > > > agura@gridgain.com
> > > > > > > >
> > > > > > > > > > wrote:
> > > > > > > > > > > >
> > > > > > > > > > > > > Cos,
> > > > > > > > > > > > >
> > > > > > > > > > > > > <config_url> sepcifies configuration file for
> Ignite
> > > > client
> > > > > > > node
> > > > > > > > > that
> > > > > > > > > > > > will
> > > > > > > > > > > > > be started during connection establishing by JDBC
> > > driver.
> > > > > So
> > > > > > > this
> > > > > > > > > > file
> > > > > > > > > > > > > should be available for JDBC driver client.
> > > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > > > Andrey, should this be documented here?
> > > > > > > > > > > > https://apacheignite.readme.io/docs/jdbc-driver
> > > > > > > > > > > >
> > > > > > > > > > > > D.
> > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > On Mon, Dec 7, 2015 at 8:59 PM, Konstantin Boudnik
> <
> > > > > > > cos@apache.org
> > > > > > > > > >
> > > > > > > > > > > > wrote:
> > > > > > > > > > > > >
> > > > > > > > > > > > > > Thanks Andrey!
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > Still a bit unclear: the doc says
> > > > > > > > > > > > > > "<config_url> is required and represents any
> valid
> > > URL
> > > > > > which
> > > > > > > > > points
> > > > > > > > > > > to
> > > > > > > > > > > > > > Ignite configuration file"
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > So, that's server side URL then, something like
> > > > > > > > > > > > > >
> > > >  jdbc:ignite:cfg:///etc/ignite/conf/default-config.xml
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > assuming that server nodes have said
> configuration
> > > > under
> > > > > > > > > > > > > > /etc/ignite/conf/default-config.xml ? Sorry, it's
> > > > either
> > > > > I
> > > > > > > am a
> > > > > > > > > bit
> > > > > > > > > > > > > dense,
> > > > > > > > > > > > > > or
> > > > > > > > > > > > > > the doc isn't written to a layman
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > Thanks in advance!
> > > > > > > > > > > > > >   Cos
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > On Mon, Dec 07, 2015 at 01:03PM, Andrey Gura
> wrote:
> > > > > > > > > > > > > > > Cos,
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > JDBC driver was reworked in order to use Ignite
> > > > client
> > > > > > node
> > > > > > > > > > instead
> > > > > > > > > > > > of
> > > > > > > > > > > > > > > Ignite Java client. It gives better
> performance.
> > So
> > > > now
> > > > > > > JDBC
> > > > > > > > > > dirver
> > > > > > > > > > > > > uses
> > > > > > > > > > > > > > > Ignite xml configuration file using
> > jdbc:ignite:cfg
> > > > > > > protocol.
> > > > > > > > > See
> > > > > > > > > > > > > > > documentation for version 1.4
> > > > > > > > > > > > > > >
> > > https://apacheignite.readme.io/v1.4/docs/jdbc-driver
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > At the same time we still support old version
> of
> > > JDBC
> > > > > > > driver
> > > > > > > > > that
> > > > > > > > > > > > uses
> > > > > > > > > > > > > > > jdbc:ignite protocol. See documentation for
> > version
> > > > 1.3
> > > > > > > > > > > > > > >
> > > https://apacheignite.readme.io/v1.3/docs/jdbc-driver
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > Thus you can control used JDBC driver type (new
> > or
> > > > old)
> > > > > > > just
> > > > > > > > > with
> > > > > > > > > > > > > choosen
> > > > > > > > > > > > > > > protocol.
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > Please, note, that old JDBC driver is
> deprecated
> > > and
> > > > > can
> > > > > > be
> > > > > > > > > > removed
> > > > > > > > > > > > > from
> > > > > > > > > > > > > > > future releases.
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > On Mon, Dec 7, 2015 at 6:41 AM, Konstantin
> > Boudnik
> > > <
> > > > > > > > > > cos@apache.org
> > > > > > > > > > > >
> > > > > > > > > > > > > > wrote:
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > Guys, I am looking into [1] and see a
> reference
> > > to
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > ignite.jdbc.url = "jdbc:ignite:cfg://"
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > So, I am curious if there's a way to fetch
> > node's
> > > > > > config
> > > > > > > via
> > > > > > > > > > JDBC
> > > > > > > > > > > > > > somehow?
> > > > > > > > > > > > > > > > Or
> > > > > > > > > > > > > > > > this is just a simple error in the doc, which
> > > needs
> > > > > to
> > > > > > be
> > > > > > > > > > fixed?
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > Would appreciate the insight from the team.
> > > Thanks!
> > > > > > > > > > > > > > > >   Cos
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > [1]
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > >
> > > > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> https://zeppelin.incubator.apache.org/docs/0.5.5-incubating/interpreter/ignite.html
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > --
> > > > > > > > > > > > > > > Andrey Gura
> > > > > > > > > > > > > > > GridGain Systems, Inc.
> > > > > > > > > > > > > > > www.gridgain.com
> > > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > --
> > > > > > > > > > > > > Andrey Gura
> > > > > > > > > > > > > GridGain Systems, Inc.
> > > > > > > > > > > > > www.gridgain.com
> > > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > > --
> > > > > > > > > > > Andrey Gura
> > > > > > > > > > > GridGain Systems, Inc.
> > > > > > > > > > > www.gridgain.com
> > > > > > > > > > >
> > > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > --
> > > > > > > > > Andrey Gura
> > > > > > > > > GridGain Systems, Inc.
> > > > > > > > > www.gridgain.com
> > > > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> > >
> > >
> > > --
> > > Andrey Gura
> > > GridGain Systems, Inc.
> > > www.gridgain.com
> > >
> >
>
>
>
> --
> Andrey Gura
> GridGain Systems, Inc.
> www.gridgain.com
>

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