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Search results: Q Replication for Z

Showing 31 of 5315

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 ...

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 comman...
about 8 years ago in Data Replication: Q-Replication & Availability / Q Replication for Z 0 Planned for future release

Db2 LUW - SQL replication should optionally use TRUNCATE when performing a Full Refresh of large tables

Db2 LUW SQL Replication (10.2.1) When you run a Full Refresh of a subscription set, the asnapply utility issues a DELETE FROM <target table> prior to the refresh of the data. For large tables this has a significant and unnecessary overhead -...
over 6 years ago in Data Replication: Q-Replication & Availability / Q Replication for Z 0 Planned for future release

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.

Possibility to execute STARTQ command with "CAPTUREUPTO" option

In high workload environments it would be very useful to let QCapture work on a STARTQ command with predefined end. Currently this can be done by a STARTQ command and after the SendQ is active a subsequent STOPQ with captureupto.But if for some re...
almost 2 years ago in Data Replication: Q-Replication & Availability / Q Replication for Z 1 Future consideration

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...

V12-CERT-2017 - Support for replication of REORG DISCARD events

When a REORG discard is run on the source side in a replication relationship / event relationship we want to be able to replay this event on the target side somehow. We do not want to do this by logging the discards in the REORG, of course. One su...
almost 9 years ago in Data Replication: Q-Replication & Availability / Q Replication for Z 0 Not under consideration

Ignore log records for a dedicated subscription in IGNORETRANS

In very rare cases Db2 cannot provide log records for Q Capture, e.g. in case of a version mismatch, a compression dictionary error, etc. Removing the subscription and reloading the target is a practical approach. But in some situations (e.g., non...
about 5 years ago in Data Replication: Q-Replication & Availability / Q Replication for Z 0 Not under consideration

Fully replication support of Db2 data type XML with IDR Queue Replication especially for the case the Queue message size is limited because of using Shared Queues based on Coupling Facility structures

We replicate a lot of changes of our operational zDb2 data to a Db2 LUW (BLU) via IDR Queue Replication. The Db2 BLU is used as the data base of our datawarehouse processes. The Queue Replication uses Shared Queues which are mapped on Coupling Fac...
over 2 years ago in Data Replication: Q-Replication & Availability / Q Replication for Z 0 Not under consideration

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