mariadb-docker | Docker Official Image packaging for MariaDB | Continuous Deployment library
kandi X-RAY | mariadb-docker Summary
kandi X-RAY | mariadb-docker Summary
This is the Git repository of the Docker Library "Official Image" for mariadb.
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QUESTION
I am doing aggregation with KSQL and need to persist the output table in MariaDB. I have already set up MariaDB and the JdbcSinkConnector. Unfortunately, the sink just won't work for me.
This is the table's structure in KSQL, which I would like to dump in MariaDB:
...ANSWER
Answered 2021-Mar-08 at 13:51If you're using the JDBC Sink you need to be using a serialisation format for your data that includes the schema, e.g. using Avro, Protobuf, or JSON Schema.
In ksqlDB you can specify that when you create your object:
QUESTION
I am trying to set up a Jelastic clustered database as described in Setting Up Auto-Clusterization with Cloud Scripting but I don't see documentation there that describes how to either set or retrieve the cluster username and password.
I did try passing db_user
and db_pass
to the cluster, names I found in some of the sample JPS files, as well as having those as settings but the credentials were still just the Jelastic generated ones.
Here is the JPS I am trying to use; it includes a simple Debian container that requires the database credentials as environment variables. In this case the Docker container includes just the MariaDB client for testing purpose, the real environment is bit more complex than that, running scripts in the startup that need the database connection.
...ANSWER
Answered 2018-Dec-30 at 11:05Thank you for the good question. The mechanism of passing custom credentials should be and will be improved soon. At the moment you can use the example below. In short, we disable automated clustering and enable it again with custom username and password.
QUESTION
I have a question regarding MariaDB and Docker. Is it wise to use the volume that is already provided with the official MariaDB-Docker-image? Or is it better to create a folder that is shared with the host for better performance? One of my colleagues was afraid that read / write operations could be too slow in the virtual volume.
In my opinion, read / write should be fast enough on that virtual volume as Docker only utilizes the Linux core system, right?
Thank you in advance!
...ANSWER
Answered 2018-Mar-15 at 16:20I think you are asking if there is a performance difference between volumes and bind mounts.
The answer is there shouldn't be. Both types bypass the slow copy-on-write storage drivers and are stored directly on the host:
From Performance best practices:
Use volumes for write-heavy workloads: Volumes provide the best and most predictable performance for write-heavy workloads. This is because they bypass the storage driver and do not incur any of the potential overheads introduced by thin provisioning and copy-on-write...
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