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The Debezium team hangs out here as well as on Zulip (https://debezium.zulipchat.com/#narrow/stream/302529-users). Use either to ask questions, help others, share your experience, volunteer to contribute, request features or report problems (although you'll likely will be asked to file an issue at https://issues.redhat.com/projects/DBZ/issues). Check out our code repositories at https://github.com/debezium/.

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Vitor Pereira, Chris Cranford2

Sep 9

[ORACLE] CDC sync

Hi Vitor - This is a great question and as you've likely uncovered, one of the more challenging

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[ORACLE] CDC sync

Hi Vitor - This is a great question and as you've likely uncovered, one of the more challenging

Sep 9

Alen Joseph, Chris Cranford2

Sep 8

Debezium PostgreSQL Connector Stuck on Type Discovery - 40K+ Custom Types from Oracle Compatibility Extension Help

Hi Alen, as I see you've added this discussion on Zulip [1], lets continue the discussion there.

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Debezium PostgreSQL Connector Stuck on Type Discovery - 40K+ Custom Types from Oracle Compatibility Extension Help

Hi Alen, as I see you've added this discussion on Zulip [1], lets continue the discussion there.

Sep 8

Rohit Panwar, Chris Cranford2

Sep 4

Write throughput handling

Hi - For MySQL and MariaDB, you'd likely see very negligible gains, if any. This is due to how

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Write throughput handling

Hi - For MySQL and MariaDB, you'd likely see very negligible gains, if any. This is due to how

Sep 4

Rohit Panwar, Chris Cranford2

Sep 4

Number of debezium connectors needed

Hi - The Debezium's team overall messaging is to always prefer a single connector because reading

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Number of debezium connectors needed

Hi - The Debezium's team overall messaging is to always prefer a single connector because reading

Sep 4

shani.kim, Chris Cranford2

Sep 4

What is the recommended cleanup.policy for schema.history.internal.kafka.topic?

Hi, the database schema history topic should not have compaction [1]. Hope that helps. -cc [1]: https

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What is the recommended cleanup.policy for schema.history.internal.kafka.topic?

Hi, the database schema history topic should not have compaction [1]. Hope that helps. -cc [1]: https

Sep 4

Prince Parekh, Chris Cranford2

Sep 2

Only Incremental records capture using debezium connector for sqlserver

Hi - Debezium's event structure is opinionated and always contains the "Envelope" that

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Only Incremental records capture using debezium connector for sqlserver

Hi - Debezium's event structure is opinionated and always contains the "Envelope" that

Sep 2

Chris Cranford, Rohit Panwar4

Sep 2

Re: [debezium] Unknown schema issue when updating the table list for mysql debezium connector

Hi - First, capturing 16% of all your tables can undoubtedly lead to schema history topic bloat.

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Re: [debezium] Unknown schema issue when updating the table list for mysql debezium connector

Hi - First, capturing 16% of all your tables can undoubtedly lead to schema history topic bloat.

Sep 2

Rohit Panwar, Chris Cranford3

Sep 2

Connector reconciliation for new tenants

Hi Starting a new connector for a new tenant is a straightforward task; however, the process becomes

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Connector reconciliation for new tenants

Hi Starting a new connector for a new tenant is a straightforward task; however, the process becomes

Sep 2

Filip Drzewiecki, Chris Cranford2

Sep 2

Cannot create second debezium connector to the same oracle DB

Just for completeness, this discussion is in full on Zulip [1] -cc [1]: #community-oracle > Cannot

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Cannot create second debezium connector to the same oracle DB

Just for completeness, this discussion is in full on Zulip [1] -cc [1]: #community-oracle > Cannot

Sep 2

Hoang Vuong Xuan, Chris Cranford2

Aug 28

Debezium Server restarts after Pub/Sub warning: “attempted to publish batch with zero messages” Hi folks,

Hi - It looks like this discussion was started and continued on Zulip [1], so if anyone is interested

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Debezium Server restarts after Pub/Sub warning: “attempted to publish batch with zero messages” Hi folks,

Hi - It looks like this discussion was started and continued on Zulip [1], so if anyone is interested

Aug 28

Deukryong Moon, Chris Cranford2

Aug 28

Unknown error on oracle connector (Debezium Server) after running ok

Hi - This would indicate that there is some unexpected event in your schema history topic that does

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Unknown error on oracle connector (Debezium Server) after running ok

Hi - This would indicate that there is some unexpected event in your schema history topic that does

Aug 28

CCHsu, Chris Cranford3

Aug 26

Possibility to make Debezium Server & Debezium Management Platform (GUI) supporting the Debezium JDBC Sink Connector

Hi, Chris, It's glad to hear that the Debezium community has a goal to support the JDBC Sink

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Possibility to make Debezium Server & Debezium Management Platform (GUI) supporting the Debezium JDBC Sink Connector

Hi, Chris, It's glad to hear that the Debezium community has a goal to support the JDBC Sink

Aug 26

Gergely Jahn, Chris Cranford7

Aug 26

Adding a New Table to a Running Debezium Oracle Connector

Thank you Chris for the help. Chris Cranford a következőt írta (2025. augusztus 26., kedd, 16:29:48

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Adding a New Table to a Running Debezium Oracle Connector

Thank you Chris for the help. Chris Cranford a következőt írta (2025. augusztus 26., kedd, 16:29:48

Aug 26

karthik M, Chris Cranford2

Aug 25

oracle to mariadb Migration

Hi - As discussed on Zulip, the set up to do Oracle to MariaDB would be identical to that of Oracle

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oracle to mariadb Migration

Hi - As discussed on Zulip, the set up to do Oracle to MariaDB would be identical to that of Oracle

Aug 25

Isabel Fernández Naranjo, … Chris Cranford12

Aug 22

Issue with ${routedByValue} var with debezium operator on Kubernetes

As this isn't well documented on the Quarkus side and I only found it via a GH issue search, I

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Issue with ${routedByValue} var with debezium operator on Kubernetes

As this isn't well documented on the Quarkus side and I only found it via a GH issue search, I

Aug 22

Radu Dudas, Chris Cranford3

Aug 22

Unable to find class io.debezium.connector.postgresql.PostgresSourceInfoStructMaker

As we found on Zulip, the SpringBoot class loader needed to be set as the TCCL inside the Executor

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Unable to find class io.debezium.connector.postgresql.PostgresSourceInfoStructMaker

As we found on Zulip, the SpringBoot class loader needed to be set as the TCCL inside the Executor

Aug 22

Aug 22

[Debezium] Only Receiving Heartbeat Events – Publication & Offset Issue with PostgresConnector (TimescaleDB)

Hi everyone, I'm encountering an issue when using Debezium's Postgres connector (3.2.1.Final)

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[Debezium] Only Receiving Heartbeat Events – Publication & Offset Issue with PostgresConnector (TimescaleDB)

Hi everyone, I'm encountering an issue when using Debezium's Postgres connector (3.2.1.Final)

Aug 22

Aug 22

Looking for a consultant for building a data warehouse with Debezium

Hello, My company (https://www.maccs.mu) is looking for a consultant to aggregate data from multiple

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Looking for a consultant for building a data warehouse with Debezium

Hello, My company (https://www.maccs.mu) is looking for a consultant to aggregate data from multiple

Aug 22

Aug 20

Header based Schema Support in Outbox Pattern

Hello Folks, Is there support for specifying schema via Kafka headers via the Outbox SMT. Please also

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Header based Schema Support in Outbox Pattern

Hello Folks, Is there support for specifying schema via Kafka headers via the Outbox SMT. Please also

Aug 20

Nattapat Saenharn, … Nick Chomey4

Aug 18

debezium server for non kafka deploy using sql server

Done! Clarify nats-jetstream subject documentation by nickchomey · Pull Request #6664 · debezium/

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debezium server for non kafka deploy using sql server

Done! Clarify nats-jetstream subject documentation by nickchomey · Pull Request #6664 · debezium/

Aug 18

Apollo Elon, Chris Cranford2

Aug 18

[Oracle] Data loss issue when using lob.enabled=true with batch updates on Oracle

Hi Elon - This is a bug in Debezium 1.9 that was fixed through a combination of DBZ-6107 [1] and DBZ-

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[Oracle] Data loss issue when using lob.enabled=true with batch updates on Oracle

Hi Elon - This is a bug in Debezium 1.9 that was fixed through a combination of DBZ-6107 [1] and DBZ-

Aug 18

Radu Dudas, Chris Cranford2

Aug 18

Postgres Connector and publication.autocreate.mode=disabled

Hi Radu - In general, the include/exclude lists should be optional. Do you have the logs from where

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Postgres Connector and publication.autocreate.mode=disabled

Hi Radu - In general, the include/exclude lists should be optional. Do you have the logs from where

Aug 18

David Saggese Banhos, Chris Cranford2

Aug 18

Corporate env - massive Oracle DBs

Hi David - To be frank, the Oracle license prevents us from disclosing any absolute performance

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Corporate env - massive Oracle DBs

Hi David - To be frank, the Oracle license prevents us from disclosing any absolute performance

Aug 18

safi junaid, Chris Cranford2

Aug 18

[NEED HELP] Kafka connector stops producing whenever there is a blip in RDS connection

Hi - Just for completeness in case others stumble onto this, the thread was opened also on Zulip - #

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[NEED HELP] Kafka connector stops producing whenever there is a blip in RDS connection

Hi - Just for completeness in case others stumble onto this, the thread was opened also on Zulip - #

Aug 18

רום כהן, Anisha Mohanty4

Aug 17

mongodb debezium schema builder issue

HI any update? ב-יום שני, 11 באוגוסט 2025 בשעה 09:53:35 UTC+3, רום כהן כתב/ה: We tried using v3.2.0

unread,

mongodb debezium schema builder issue

HI any update? ב-יום שני, 11 באוגוסט 2025 בשעה 09:53:35 UTC+3, רום כהן כתב/ה: We tried using v3.2.0

Aug 17

pramod choudhari, … jiri.p...@gmail.com5

Aug 7

PostgreSQL 16 Replica WAL Bloat with Debezium - Heartbeat Alternatives?

Hi Chris, Thanks for replying, Here it is, # --- Debezium Configuration --- debezium.format.key=json

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PostgreSQL 16 Replica WAL Bloat with Debezium - Heartbeat Alternatives?

Hi Chris, Thanks for replying, Here it is, # --- Debezium Configuration --- debezium.format.key=json

Aug 7

Kiril Piskunof, Chris Cranford5

Aug 7

XStream outbound sever in a RAC environments

Thank you Chris, we will give this a go. On Wednesday, 6 August 2025 at 12:42:33 UTC+1 Chris Cranford

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XStream outbound sever in a RAC environments

Thank you Chris, we will give this a go. On Wednesday, 6 August 2025 at 12:42:33 UTC+1 Chris Cranford

Aug 7

Apollo Elon, Chris Cranford5

Aug 7

[Oracle] An error occurred in SCN when Oracle was synchronizing CLOB type fields.

Thank you very much for your help. We have now contacted the DBA to pay attention to this issue.

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[Oracle] An error occurred in SCN when Oracle was synchronizing CLOB type fields.

Thank you very much for your help. We have now contacted the DBA to pay attention to this issue.

Aug 7

Divya Dass, Chris Cranford2

Aug 6

Supported Signal Channels for Incremental Snapshot for MySQL and MongoDB

Hi - Yes, you can use the "file" signal to trigger the incremental snapshot, but that won

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Supported Signal Channels for Incremental Snapshot for MySQL and MongoDB

Hi - Yes, you can use the "file" signal to trigger the incremental snapshot, but that won

Aug 6

milist ujang, Chris Cranford16

Aug 2

oracle to postgresql, struggle with STRUCT

Hi - Rather than using `--property key.deserializer=...` / `--property value.deserializer=...` / `--

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oracle to postgresql, struggle with STRUCT

Hi - Rather than using `--property key.deserializer=...` / `--property value.deserializer=...` / `--

Aug 2

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