IBM Data and AI Ideas Portal for Customers


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Replication: Q-Replication & Availability

Showing 77 of 15499

Add an ability to start a q subscription via MODIFY on the Capture started task

Currently Q Capture subscriptions can be interacted with either via MODIFY command invoked on a Q Capture started task, or SQL insert statements executed on table IBMQREP_SIGNAL. For many customers, executing a MODIFY command to perform an action ...
over 3 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Future consideration

ALTER table DATA CAPTURE NONE not detected by IIDR QREP or CDC

If 'ALTER table DATA CAPTURE NONE' is executed against a table that is actively replicating, any changes made to the source data will not be captured or replicated until ‘ALTER table DATA CAPTURE CHANGES' is executed. This would cause the target...
over 7 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Planned for future release

In SQL replication, do not re-execute signals that have already been executed.

In SQL replication, as in Q Capture, add a reprocess_signals to the parameters of the capture and set the default to N. Do not re-execute a signal that has already been executed if the minimum LSN is less than the last signal LSN at the start of t...
5 months ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Submitted

Feed Q Replication with your own LOAD keywords for automatic load

Recently we had opened a case TS013850174, which could not be addressed correctly b/c it requires an enhancement. Problem was as follows. Due to an error in our change management process, target table had a unique index, which was not present at t...
about 1 year ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Not under consideration

Display of replication throughput per subscription

Today Q Apply stores detailed performance statistics on queue level. This idea raises the request to store certain Q Apply throuput statistics (like rows_processed) on subscription level. Background: Today it is very difficult / sometime impossibl...
over 5 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Not under consideration

Request for supporting MQ automatic client reconnect

As we know, IBM MQ supports multi-instance configuration and automatic client reconnect since version 7.0.1. Recently we found the latest Q-Relication (11.4.0) even not support such a basic function( automatic client reconnect with multi-instance ...
over 2 years ago in Replication: Q-Replication & Availability / Replication for Availability (LUW, Db2 Warehouse) 1 Future consideration

Q-Capture (on LUW) supports to use a dedicated MQ publish thread to perform all IBM MQ operations...

Currently, there is "parallel_mqthread" && "mqthread_bufsz" parameters, but it only used on z/OS. Cx hopes these features can support on LUW as well, which can specify whether the Q Capture program should use a separate thread to publish m...
over 1 year ago in Replication: Q-Replication & Availability / Replication for Availability (LUW, Db2 Warehouse) 0 Not under consideration

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...
over 7 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Is a defect

Q Replication to Kafka Targets

Kafka evolves as a platform for real time data streaming, analytics, and event processing. For enterprise customers the challenge is to let data originating on IBM z flow to Kafka. Popular options are Kafka APIs, MQ, data replication. Only data re...
over 4 years ago in Replication: Q-Replication & Availability / Q Replication for Z 3 Not under consideration

Q Capture/Db2 LUW: Replicate DROP COLUMN-operations

If the source table of an active subscription is altered by a DROP COLUMN operation, there is high risk of continuous data corruption on that table due to incorrect reading of Db2's transaction log entries from that time on. The current workaround...
about 1 year ago in Replication: Q-Replication & Availability / Replication for Availability (LUW, Db2 Warehouse) 0 Not under consideration

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