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Status Not under consideration
Workspace Db2
Components Application Development
Created by Guest
Created on Feb 20, 2019

RELATED IDEAS

Sharing locks between transaction branches also when setting INTRA_PARALLEL is set to YES

We are using DB2 11 for LUW and for an application server we have IBM WebSphere Application Server 9.  We have a cluster environment containing several servers.

Our applications are running on different application servers(cluster environment) and we want to share access to data in a single DB2 database under the same global transaction.

We want applications to be tightly coupled and we achieve this with:

<resource-ref name="jdbc/DataSource_LockSharing" branch-coupling="TIGHT"/>

Sharing locks between different branches work just fine until we set  DB2 parameter for parallelism  INTRA_PARALLEL=yes then we get "Loosely Coupled Not Supported (99)" this is because of DB2 use the reverse terminology.

It's is possible to implement sharing locks even if intra parallelism is enabled in DB2 ?

IBM open service request (SR) with this scenario is under ID: TS001457462.

  • Guest
    Reply
    |     Jul 22, 2019

    Hi Klemen,

    Thanks for your idea related to Db2 LUW. We would like to know the driving requirement for enabling SMP parallelism for XA workload. We are also looking for more votes on this RFE to move to Future Consideration.

    Thanks,
    Karthik Gopalakrishnan

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