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Replication: Q-Replication & Availability

Showing 65

QRep Automatic Refresh with ICU Decoding

ICBC load existing data from z/OS db2 to Oracle: z/OS exported file -> UDS (ICBC application) decoding -> SQL Loader import to Oracle DB.For QREP automatic Refresh, decoding with customized decoding rule is required. It should be:z/OS expor...
about 4 years ago in Replication: Q-Replication & Availability / Q Replication for Z 1 Planned for future release

QREP supports LOB replication in A-A 2.0

Our customer is adopting QREP for data replication under proxy mode. And they find that QREP couldn't support LOB replication when QCAP runs in proxy DB2 Data Sharing Group. However, our customers have some table defined with LOB columns. So they ...
about 4 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Not under consideration

LOAD should not be restarted when Apply fails during SET INTEGRITY

When setting up Replication for a DB2 Table for the first time Apply will use a LOAD FROM Cursor to do an initial copy of the tables data. If there are constraints or generated columns defined for that table Apply will issue a SET INTEGRITY comma...
about 4 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Planned for future release

Alternative of Updating All or Changed Fields for SQL Update

When replication of SQL Update, only changed fields are updated now. The data consistency cannot be guaranteed if any changes are happened during the period of no replication is executed. All fields updating is required for SQL Update data replica...
about 4 years ago in Replication: Q-Replication & Availability / Q Replication for Z 1 Planned for future release

QRep Delete/Insert Record in CCD table for Updates of Replication Key

ICBC use CCD table to update its application DB. There is only one record of Update in CCD table for updates of replication key in Qrep. ICBC cannot remove the origin record with the information in the updated record. Data consistency cannot be gu...
about 4 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Delivered

Automate restart of IIDR tasks when RRS terminates

We had issues with RRS recently which were solved via a maintenance cycle. During those issues, our IIDR Capture and Apply tasks failed and required manual restart. We have the option TERM=N enabled yet the Capture/Apply tasks were not restarted w...
about 4 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Is a defect

Replicating clone tables from a source data store and tables which have a clone table defined

As per IDR 11.4, support is not provided either for replicating source clone tables or for replicating tables which have a clone table defined. We need to be able to replicate source tables involved in clone relationships.
about 4 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Delivered

Leverage "FOR EACH ROW ON UPDATE" functionality to maintain Peer to Peer Version Columns, instead of triggers

Current implementation of Peer to Peer Version Columns (IBMQREPVERTIME and IBMQREPVERNODE) depend on BEFORE INSERT and BEFORE UPDATE triggers to maintain transaction information for conflict_action of V (last transaction wins). The use of these tr...
over 4 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Future consideration

Heartbeat messages are not available in EP if using delimited format

1. As far as including schema changes in EP messages – at this time they don't have a pressing need so I would say you don't have to worry about that. However, they do want/need to see heartbeat messages. The manual says heartbeat messages are n...
over 4 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Delivered

Q Replication to support MRI on DB2 for LUW

Currently MRI (Multiple Row Insert) function is said to be supported on DB2 for LUW after 10.5.0.7, but actually NOT. Without this function, QREP may not meet the performance requirements of some applications , such as PBoC TIPS2.https://www.ibm.c...
over 4 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Delivered