Hi Weihua, Thanks for your response, I am familiar with those calculations, the one I don't understand is the Maximum Non-Heap value.
Regards, Alexis. On Tue, 21 Feb 2023, 04:45 Weihua Hu, <huweihua....@gmail.com> wrote: > Hi, Alexis > > 1. With those configuration, Flink will set JVM parameters -Xms and -Xmx > to 673185792(642m),-XX:MaxDirectMemorySize to > 67108864(64m),-XX:MaxMetaspaceSize > to 157286400(150m), you can find more information from [1] > 2. As the hint in Flink UI: "The maximum heap displayed might differ from > the configured values depending on the used GC algorithm for this > process.", This[2] shows how JVM calculate the max heap memory from > configured -Xms/-Xmx > > > [1] > https://nightlies.apache.org/flink/flink-docs-master/docs/deployment/memory/mem_setup_jobmanager/ > [2] > https://stackoverflow.com/questions/52980629/runtime-getruntime-maxmemory-calculate-method > > Best, > Weihua > > > On Tue, Feb 21, 2023 at 12:15 AM Alexis Sarda-Espinosa < > sarda.espin...@gmail.com> wrote: > >> Hello, >> >> I have configured a job manager with the following settings (Flink >> 1.16.1): >> >> jobmanager.memory.process.size: 1024m >> jobmanager.memory.jvm-metaspace.size: 150m >> jobmanager.memory.off-heap.size: 64m >> jobmanager.memory.jvm-overhead.min: 168m >> jobmanager.memory.jvm-overhead.max: 168m >> jobmanager.memory.enable-jvm-direct-memory-limit: "true" >> >> However, when I look at the job manager dashboard in the UI, I see that >> the value of Non-Heap Maximum is reported as 532 MB. Could someone clarify >> how this value is calculated? >> >> In case it's relevant, the effective configuration for JVM Heap is >> reported as 642 MB, with the reported maximum being 621 MB. >> >> Regards, >> Alexis. >> >>
