True. TAF is implemented entirely in the client...
- Original Message -----
To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
Sent: Friday, June 28, 2002 2:18 PM
> I've also heard that thick driver is required for TAF (Transparent
> Application Failover). Can someone confirm or refute this?
>
> Thanks,
> Gerardo
>
> -----Original Message-----
> Sent: Friday, June 28, 2002 12:49 PM
> To: Multiple recipients of list ORACLE-L
>
>
> The pure java thin driver is supposed to be faster because it does not
> incur a context switch between the oci and java, while the thick driver
> has better lob support.
>
> JDBC 3.0 is supposed to have improved lob support as well as pooling,
> but I don't believe the weblogic server can take advantage of it yet...
>
> Suzy Vordos wrote:
> > IIRC, the WebLogic server startup script contains the path/filename of
> > which weblogic.properties file that is used, and it's passed as a
> > command-line argument.
> >
> > At a previous job, one application we had used two properties files
> > (Tim's gonna like this one :). One was weblogic.properties config'd
> > with connection pooling and JDBC Thin. The other was
> > application.properties, no connection pooling and JDBC OCI. The
> > developer's reason? JDBC OCI was used to work with LOBs, and all other
> > database calls used JDBC Thin. It never made sense to me, but then I'm
> > not a Java developer either.
> >
> > "Deshpande, Kirti" wrote:
> >
> >>Thank you all who responded. I really appreciate it very much.
> >>I am learning something new from you.
> >>
> >>I think I have enough 'ammunition' to ask some good(?) questions. I
found
> >>out that on one of the App servers, they use multiple programs(Java?) to
> >>support the Web traffic. There are multiple weblogic.properties files.
> Some
> >>have connection pooling setup (initialCapacity=3|1|5 maxCapacity=41 with
> >>increments of 2|1|3 and such) while others don't. The CLASSPATH seems to
> be
> >>a mile long! My hunch is that the App is releasing the entire connection
> >>pool and establishing it again when a new request comes along. That may
be
> >>keeping the listener on the database servers very busy all the times.
> >>
> >>Following is a typical entry for Connection Pooling. No other properties
> are
> >>defined for any other pools (related to shrink, refreshes etc), at least
I
> >>did not find them in other properties files..
> >>
> >>weblogic.jdbc.connectionPool.summaryPool_A=\
> >> url=jdbc:oracle:thin:@rs001-cs1:1541:AS1TRP,\
> >> driver=oracle.jdbc.driver.OracleDriver,\
> >> initialCapacity=3,\
> >> maxCapacity=41,\
> >> capacityIncrement=2,\
> >> props=user=XXXX;password=YYYY
> >>
> >>Thank you very much...
> >>
> >>- Kirti
> >>--
> >>Please see the official ORACLE-L FAQ: http://www.orafaq.com
> >>--
> >>Author: Deshpande, Kirti
> >> INET: kirti.deshpande_at_verizon.com
> >>
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>
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Warren Lindsey
> INET: wlindsey_at_ponvia.com
>
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> Author: Molina, Gerardo
> INET: Gerardo.Molina_at_schwab.com
>
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Author: Tim Gorman
INET: Tim_at_SageLogix.com
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Received on Fri Jun 28 2002 - 16:58:28 CDT
