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Search results: Data Replication: Q-Replication & Availability

Showing 17 of 1002

Be able to add options in the cross-LOAD command executed by QREP, during a refresh of target tables

Hello there, I have opened one IBM case for this topic. What is the point: We have some troubles with QREP replication.When QREP is trying to do a LOAD REPLACE (via stored procedure DSNUTILU), in the target table, if someone is using the targe tab...

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...

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 ...
about 4 years ago in Data Replication: Q-Replication & Availability / Q Replication for Z 0 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...

Adding of a new apply parameter DBLOAD_OPTIONS in order to influence an automatic load performed by the Q-Replication apply program on column-organized tables.

A column compression dictionary is used to compress data in a column of a column-organized table. When you load data into a column-organized table, the first phase is the analyze phase, which is unique to column-organized tables.The analyze phase ...

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...

Prompt customer need to reduce prune interval

In a busy Q Rep env with many bi-di Q subs, there may lots of P2PNORECAPTURE signal insert into IBMQREP_SIGNAL control table by Q Apply program. As per design, Q Capture delete up to 10000 rows at a time for one prune interval. When the average P2...

Add CAPTUREUPTO as Q Capture startup parameter

We need an emergency mechanism to control the capturing of a limited and dedicated amount of time. Today, Q Capture can be stopped when a dedicated timestamp is reached using CAPSTOP CAPTUREUPTO=<ts>. But that is not useful when Capture is d...

Q Apply issue a warning after exception due to OKSQLSTATES

Using OKSQLSTATES certain error conditions can be specified which will let Q Apply document a failing operation in IBMQREP_EXCEPTIONS.Today, Q Apply does not write out a warning into the log file if an exception based on OKSQLSTATES happened.Monit...
over 8 years ago in Data Replication: Q-Replication & Availability / Q Replication for Z 1 Planned for future release

Improving QREP online operation

ABC(Agriculture Bank of China) have implemented A-A based on QREP. Due to its huge number of data volume, the maintenance related to A-A is extreme complex. The more easy operation of QREP the more maintenance convenience.1. In some case, certain ...
over 8 years ago in Data Replication: Q-Replication & Availability / Q Replication for Z 0 Not under consideration