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QUESTION
I am trying to CDC using Debezium and Kafka. I have registered a connector with 3 tables in table.whitelist
property and it is working properly. Here is the configuration of running connector.
ANSWER
Answered 2019-May-30 at 07:24As far as I know, there was an old pending PR related to this issue and it should have been fixed in 0.9.1
release. But if you are using some old version you can simply follow these steps.
- Add the new tables, but don't write to them yet
- Shut down the connector
- Change the filter configuration and set snapshot mode to "schema_only_recovery"
- Delete (or rename) the existing DB history topic
- Restart the connector; this will re-create the internal history of the DB schema and then continue streaming from the previously recorded offset
- Begin writing to the new tables
At least this is what we do(we are still using 0.8.2
).
Source : debezium-google-group.
QUESTION
Are there special configurations that have to be considered to run a java spring boot application inside Docker?
The application I try to run in a Docker container fails with errors related to cache generation (full error log). Building and running the application without Docker works without any issues.
Quick-peek of some of the errors form the log: ...ANSWER
Answered 2019-Nov-01 at 14:07The first thing that jumps out at me is that you're not setting -XX:MaxDirectMemorySize
to anything specific. This means it defaults to the same as the max heap size. Given that you're trying to create 4(?) caches with 200MB of offheap each you may well just be running out of offheap space. Try adding a suitable value when you spawn the JVM?
QUESTION
I want to build postgres docker container for testing some issue. I have:
Archived folder of postgres files(
/var/lib/postgres/data/
)Dockerfile that place folder into doccker postgres:latest.
I want:
Docker image that reset self-state after recreate image.
Container that have database state based on passed into the container postgres files
I don't want to wait for a long time operation of backup and restore existing database in
/docker-entrypoint-initdb.d
initialization script.I DON'T WANT TO USE VOLUMES because I don't need to store new data between restart (That's why this post is different from How to use a PostgreSQL container with existing data?. In that post volumes are used)
My suggestion is to copy postgres files(/var/lib/postgres/data/
) from host machine into docker's /var/lib/postgres/data/
in build phase.
But postgres docker replace this files when initdb phase is executing.
How to ask Postgres docker not overriding database files?
e.g. Dockerfile
...ANSWER
Answered 2019-Sep-04 at 06:49If you don't really need to create a custom image with the database snapshot you could use volumes. Un-tar the database files somewhere on the host say ~/pgdata
then run the image. Example:
QUESTION
I am trying to register a MySql Debezium connector in SSL enabled Kafka cluster. The curl I am using for this purpose is :
...ANSWER
Answered 2019-Jul-18 at 16:41This error indicates that jaas configuration is not visible to your kafka clients. To solve this issue, you can export the following variable:
QUESTION
i am using the following function to retrive the UID:
...ANSWER
Answered 2019-Feb-16 at 16:17You're passing the function without actually awaiting
for it to return. You could store the returned value in a variable before calling StreamBuilder
.
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