Hi, Вова.
Junrui is right. As far as I know, every time a SQL is re-executed, Flink will
regenerate the plan, generate jobgraph,
and execute the job again. There is no cache to speed up this process. State
beckend is used when your job is stopped
and you want to continue running from the state b
Hi Вова
In Flink, there is no built-in mechanism for caching SQL query results;
every query execution is independent, and results are not stored for future
queries. The StateBackend's role is to maintain operational states within
jobs, such as aggregations or windowing, which is critical for ensur
Hi Everyone,
I'm currently looking to understand the caching mechanism in Apache Flink
in general. As part of this exploration, I have a few questions related to
how Flink handles data caching, both in the context of SQL queries and more
broadly.
When I send a SQL query for example to PostgreS