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Q Replication for Z

Showing 60

Q-Replication Apply program shall be able to recognize if a column-organized table contains already a dictionary

Hello, the current implementation of the Q-Replication apply program for an automatic LOAD operation on column-organized target tables does not recognize if a dictionary already exist. A column compression dictionary is used to compress data ...
over 2 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Planned for future release

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 ...
over 2 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Delivered

ASNMON improvements on z/OS

In a customer that has installed Q Replication, I've been working in deploy ASNMON task on z/OS side as replacement of IBM Infosphere Data Replication Dashboard tool that was deprecated. The ASN.IBMSNAP_CONDITIONS tables is used to configure the ...
over 3 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Planned for future release

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 P2P...
over 1 year ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Is a defect

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., no...
about 1 year ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Future consideration

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 2 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Planned for future release

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

For ASNMON update ASNMAIL EXIT with certain industry standard capabilities

Due to new internal infrastructure requirements, and the loss of the Q-REP dashboard, we need to be able to send email alerts via ASNMON. In order to do this, the ASNMAIL Exit must be enhanced to accommodate certain features which are considered ...

Removed forced Requirement to force Replication Center to only run wit IBM JDK/JRE

Citigroup has a rule that only JDK/JRE that are supported by Citi are allowed to be used on all products that are packaged for general users. Currently the internal packaging team at Citi striped the IBM JDK/JRE from a Data Server Client 11.1.2. A...
12 months ago in Replication: Q-Replication & Availability / Q Replication for Z 1 Future consideration

Sequence Number management in a replicated DB2 system

Today sequence numbering in a DB2 subsystem that is being replicated to a secondary site needs to be managed outside of the replication support manually by the customer. Guidance has been given to use odd/even numbering on one side and the other....
almost 4 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Future consideration