[Issue 4]Apache SeaTunnel(Incubating) Weekly FAQ

2 min readMay 15, 2023

Q: Why does Metaspace accumulation occur after execution without release?

A: It is cleared during full garbage collection (GC).

Q: Sometimes, when executing SeaTunnel 2.3.1, it operates in streaming mode despite specifying “job.mode” as “BATCH.” Why?

A: Append “rewriteBatchedStatements=true” as a parameter after JDBC.

Q: How to use the row type in Schema?

A: Check the job configuration examples under the e2e module.

Q: What to do if real-time tasks occur during offline task execution?

A: The bug has been fixed in the dev branch.

Q: Does SeaTunnel support CDC from PostgreSQL and MongoDB to Kafka?

A: Yes, it supports.

Q: Is there a release plan for SeaTunnel-web?

A: A release is expected around June.

Q: Can SeaTunnel handle real-time synchronization of individual tables in MySQL, including DDL changes?

A: Real-time synchronization is possible, but not DDL changes.

Q: Why can’t variables be passed in SeaTunnel 2.3.1?

A: You can pass parameters using the Shell approach.

Q: Can SeaTunnel handle data from HTTP interfaces?

A: Yes, it supports.

Q: How to use the SeaTunnel Zeta engine?

A: Refer to the documentation:

seatunnel.apache.org/docs/2.3.1/seatunnel-engine/local-mode
seatunnel.apache.org/docs/2.3.1/seatunnel-engine/cluster-mode

About Apache SeaTunnel

Apache SeaTunnel (formerly Waterdrop) is an easy-to-use, ultra-high-performance distributed data integration platform that supports real-time synchronization of massive amounts of data and can synchronize hundreds of billions of data per day in a stable and efficient manner.

Why do we need Apache SeaTunnel?

Apache SeaTunnel does everything it can to solve the problems you may encounter in synchronizing massive amounts of data.

Data loss and duplication
Task buildup and latency
Low throughput
Long application-to-production cycle time
Lack of application status monitoring

Apache SeaTunnel Usage Scenarios

Massive data synchronization
Massive data integration
ETL of large volumes of data
Massive data aggregation
Multi-source data processing

Features of Apache SeaTunnel

Rich components
High scalability
Easy to use
Mature and stable

How to get started with Apache SeaTunnel quickly?

Want to experience Apache SeaTunnel quickly? SeaTunnel 2.1.0 takes 10 seconds to get you up and running.

https://seatunnel.apache.org/docs/2.1.0/developement/setup

How can I contribute?

We invite all partners who are interested in making local open-source global to join the Apache SeaTunnel contributors family and foster open-source together!

Submit an issue:

https://github.com/apache/incubator-seatunnel/issues

Contribute code to:

https://github.com/apache/incubator-seatunnel/pulls

Subscribe to the community development mailing list :

dev-subscribe@seatunnel.apache.org

Development Mailing List :

dev@seatunnel.apache.org

Join Slack:

https://join.slack.com/t/apacheseatunnel/shared_invite/zt-1kcxzyrxz-lKcF3BAyzHEmpcc4OSaCjQ

Follow Twitter:

https://twitter.com/ASFSeaTunnel