Uploaded image for project: 'Debezium'
  1. Debezium
  2. DBZ-3654

Adjust LogMiner mining algorithm to reduce or avoid the need to re-mine

XMLWordPrintable

    • Icon: Task Task
    • Resolution: Unresolved
    • Icon: Major Major
    • Backlog
    • 1.7.0.CR1
    • oracle-connector
    • None
    • False
    • False
    • Undefined

      When BLOB/CLOB support was introduced to the Oracle connector, the streaming logic needed to shift from using a sliding adaptive mining window where the next iteration began where the prior left off, to using a sticky starting point. This means that the connector will potentially continually re-mine old records until the oldest active transaction concludes with either a commit or rollback. For high volume systems, this can potentially be expensive and so trying to find a way to reduce the cost of the sticky starting point approach or getting back to the start where we left off concept would be ideal.

            ccranfor@redhat.com Chris Cranford
            ccranfor@redhat.com Chris Cranford
            Votes:
            0 Vote for this issue
            Watchers:
            2 Start watching this issue

              Created:
              Updated: