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  1. Debezium
  2. DBZ-3971

Lag from source too high in Debezium Oracle

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    Description

      My config in attachments.

      I don't know what's happening, but as it appears in the images the LagFromSource keeps growing. bI am using debezium for DML changes only.

      I've already made numerous configuration changes and it's alleviated the situation although the lag keeps increasing continuously. The version currently used is the 1.7 I've already tested it on the 1.6 version and the behavior is the same.

      I would like to know if someone could help me to solve this situation or even discover the root cause of this problem.

       

      Attachments

        1. All Metrics.zip
          654 kB
        2. config.sh
          3 kB
        3. grafana.png
          grafana.png
          127 kB
        4. image-2021-09-24-08-40-35-879.png
          image-2021-09-24-08-40-35-879.png
          8 kB
        5. New Config.zip
          262 kB
        6. querry_logminer.sql
          19 kB
        7. Querry_Result_VLOG.png
          Querry_Result_VLOG.png
          43 kB
        8. Querry_Result_VLOG-1.png
          Querry_Result_VLOG-1.png
          31 kB
        9. Querry_Result_VLOG-2.png
          Querry_Result_VLOG-2.png
          31 kB

        Issue Links

          is related to

          Bug - A problem that impairs or prevents the functions of the product. DBZ-4470 The debezium-connector-oracle quite slow

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Open
          relates to

          Enhancement - An enhancement to or refactoring of existing functionality that is not configurable by an end user (typically a change made by an internal team that affects users) DBZ-5648 Improve LogMiner query performance by reducing REGEXP_LIKE disjunctions

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed

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            People

              ccranfor@redhat.com Chris Cranford
              alexandre.neo Alexandre Costa (Inactive)
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              Dates

                Created:
                Updated: