hi Rui, Which version of JDK are you using?
This issue could potentially be a bug in the JDK version. If you are using JDK 8, you can try using OpenJDK 8u265 as a possible solution. Best, Feng On Wed, Sep 27, 2023 at 8:08 PM rui chen <ruichen...@gmail.com> wrote: > > > rui chen <ruichen...@gmail.com> 于2023年9月27日周三 19:32写道: > >> hi Feng, >> >> Thank you for your reply,We observed the GC situation, there is no change >> before and after replacement, several tasks on our line using jemalloc have >> appeared stuck, after removing jemalloc, no stuck situation has been found. >> >> Best, >> rui >> >> Feng Jin <jinfeng1...@gmail.com> 于2023年9月27日周三 19:19写道: >> >>> >>> hi rui, >>> >>> In general, checkpoint timeouts are typically associated with the job's >>> processing performance. When using jemalloc, performance degradation is >>> generally not observed. >>> >>> It is advisable to analyze whether the job's garbage collection (GC) has >>> become more frequent. >>> >>> >>> Best, >>> Feng >>> >>> >>> On Mon, Sep 25, 2023 at 1:21 PM rui chen <ruichen...@gmail.com> wrote: >>> >>>> After using the jemalloc memory allocator for a period of time, >>>> checkpoint timeout occurs and tasks are stuck. Who has encountered this? >>>> flink version:1.13.2, jiemalloc version: 5.3.0 >>>> >>>