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Q Replication for Z

Showing 59

Alternative of Updating All or Changed Fields for SQL Update

When replication of SQL Update, only changed fields are updated now. The data consistency cannot be guaranteed if any changes are happened during the period of no replication is executed. All fields updating is required for SQL Update data replica...
about 7 years ago in Replication: Q-Replication & Availability / Q Replication for Z 1 Planned for future release

Leverage "FOR EACH ROW ON UPDATE" functionality to maintain Peer to Peer Version Columns, instead of triggers

Current implementation of Peer to Peer Version Columns (IBMQREPVERTIME and IBMQREPVERNODE) depend on BEFORE INSERT and BEFORE UPDATE triggers to maintain transaction information for conflict_action of V (last transaction wins). The use of these tr...
over 7 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Not under consideration

Enhance QREP peer-to-peer configuration

Currently most of the customer implementation of QREP is using 'unidirectional replication configuration' even the customer has need of bi-directional replication requirements. Normally applications occur on the source site only, the target tables...
over 7 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Not under consideration

Improving the performace of INITIAL LOAD

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.The function of QREP init...
over 7 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Not under consideration

New function when startup q-rep capture stc

When start up the appy STC, can pass the LSN by the parameter ourside JCL.
over 7 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Functionality already exists

Add control parameter when start up the q-capture

When startup the q-capture, need add a control parameter. This parameter can be used to control the q-capture do not read the log when the q-capture start up. And when the user think it's time to read log, user can using the 'F STC' to ask the a-c...
over 7 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Not under consideration

Q Capture - Specify TRANS_BATCH_SZ at the SendQ level

We have q-replication from DB2 on z/OS to Native Oracle targets. Currently the TRANS_BATCH_SZ value is allowed to be specified only at the Capture level. We request for the ability to specify this at the send queue level. The reason for this reque...
almost 8 years ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Not under consideration

SQLCA -904 not offload on Infosphere Q-Replication job log on z/os

QREP didn’t externalize the SQLCA error -904 on Prod DB2.. Since we dont have a SQL error Monitoring tool on one of the BU Prod db2 enabled.. So debugging the issue was difficult.. There should be some repository/documentation where this SQLCA err...
10 months ago in Replication: Q-Replication & Availability / Q Replication for Z 3 Functionality already exists

Provide High Availability Solution

If you currently have QCapture tasks executing on an LPAR and the LPAR or Db2 member on the LPAR crashes, there will be an outage and latency. In an environment where we are executing an n-way Db2 Datasharing group replicating to a highly availabl...
about 1 year ago in Replication: Q-Replication & Availability / Q Replication for Z 0 Not under consideration