Hi,

one advice I can give you is to checkout the code and execute some of the examples in debugging mode. Esp. within Flink's functions e.g. MapFunction or ProcessFunction you can set a breakpoint and look at the stack trace. This gives you a good overview about the Flink stack in general.

Otherwise, learning by doing also helps. We have a special label `starter` in Flink's issue tracker JIRA to find easy contributions.

Regards,
Timo


On 24.11.20 16:49, Till Rohrmann wrote:
Hi,

the best way learning Flink's source code would be to dive into it [1].

[1] https://github.com/apache/flink <https://github.com/apache/flink>

Cheers,
Till

On Tue, Nov 24, 2020 at 3:43 AM 心剑 <2752980...@qq.com <mailto:2752980...@qq.com>> wrote:

    Excuse me, I want to learn the flink source code. Do you have any
    good information and the latest books?


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