Hi
No matter what interval you set, Flink will take care of the
checkpoints(remove the useless checkpoint when it can), but when you set a
very small checkpoint interval, there may be much high pressure for the
storage system(here is RPC pressure of HDFS NN).
Best,
Congxian
lec ssmi <shicheng31...@gmail.com> 于2020年11月10日周二 下午1:19写道：
> Hi, if I set the checkpoint interval to be very small, such as 5 seconds,
> will there be a lot of state files on HDFS? In theory, no matter what the
> interval is set, every time you checkpoint, the old file will be deleted
> and new file will be written, right?
>
