IBM Data and AI Ideas Portal for Customers


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Replication: Change Data Capture

Showing 61

PostgreSQL wal file management

CDC is preventing the PosgreSQL database source to delete its wals files. From what I see, CDC uses logical replication slots but it never seems to update the value of LSN (Log Sequence Number) : it always points to the wal that was current when t...
over 4 years ago in Replication: Change Data Capture 1 Delivered

While the remote replication is active, there is a database-level lock

Hello, this is Hakan from Garanti Bank. We have been using the cdc very long time. Lately, we tried the remote replication method to reduce the mainframe cpu cost. It was running perfect; however, there existed never-ending db locks. Supposing tab...
over 4 years ago in Replication: Change Data Capture 0 Delivered

IDR: Amazon RedShift support

Customer have a plan that they offload DWH to amazon redshift. So I request amazon redshift support.
over 4 years ago in Replication: Change Data Capture 1 Delivered

Teradata Adaptive Apply - update all columns EXCEPT for replication key columns that are primary key columns

Adaptive Apply following a refresh by default causes the UPDATE statement to include all columns including the primary key columns. On Teradata, this causes degradation in performance as the update becomes an ALL AMP operation as the update statem...
over 4 years ago in Replication: Change Data Capture 0 Delivered

Resolution for error 9506 in data replication during DDL changes

In our environment we are using IIDR (CDC) to replicate data from various DB platforms (Source - Oracle, DB2 LUW, AS400, DB2 ZoS) and target the replicated data into Datastage Flat File agent. The data written into flat file will get matured every...
over 4 years ago in Replication: Change Data Capture 2 Delivered

IBM Data replication's Support for AWS MSK (Kafka)

Per IBM, currently IBM Data Replication does not support AWS MSK. Idea / proposal is: IBM Data replication / CDC product should support AWS MSK as one of the target as out of the box feature.
over 4 years ago in Replication: Change Data Capture 2 Delivered

IIDRCDC Replication support for Oracle ASM FILTER DRIVER

Currently, IIDR CDC Data Stage flat file replication from source oracle doesn't support using Oracle ASM FILTER DRIVER. IIDR CDC can't replicate after the initial refresh. It brings the source replication down.
almost 5 years ago in Replication: Change Data Capture 0 Delivered

CDC for MySQL Support community version

Hello, recently when we tested cdc for mysql, we found that the configuration checks if the mysql version is the enterprise version. MySQL is an open source database. Most customers use the community version. I hope that CDC can support the MySQL ...
almost 5 years ago in Replication: Change Data Capture 0 Delivered

Need clearer / more detailed DESCRIPTIONS of the SMF fields written by the DB2 CDC task

A number of the Descriptions of the fields of the SMF records written by the DB2 CDC z/OS process are not clear and would benefit by providing more more and/or more detailed DESCRIPTIONS. These descriptions are currently located in the Knowledge C...
over 5 years ago in Replication: Change Data Capture 0 Delivered

Supporting Oracle parameter exafusion_enabled = 1

IIDR cannot replicate with Oracle 12cR2 Exadata parameter exafusion_enabled = 1. Apparently, IIDR do not know how to process Oracle logs when the parameter is set to 1. However, this parameter is crucial for the best Oracle DB functioning and perf...
over 5 years ago in Replication: Change Data Capture 0 Delivered

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