Hi All

    Customer sentinel has 6 collector managers on front side. and 1 collector manager occur sentinel service fail and could not restart service well.

at the issue occur...the OS also coluld not reboot well (the shutdown process will keep a stop job as screenshot , i tmust force poweroff  and start OS)

it log show some message about OpenJDK/Memory and kernel message like below

| jvm 9 | # There is insufficient memory for the Java Runtime Environment to continue.
| jvm 9 | # Native memory allocation (mmap) failed to map 1048576 bytes for committing reserved memory.
| jvm 9 | # An error report file with more information is saved as:
| jvm 9 | # /var/opt/novell/sentinel/data/hs_err_pid29617.log
| jvm 7 | OpenJDK 64-Bit Server VM warning: INFO: os::commit_memory(0x00007f37ba69b000, 16384, 0) failed; error='Cannot allocate memory' (errno=12)2022/10/06 12:33:31 | ERROR | wrapper | JVM exited unexpectedly.

this issue seem occur about one month.

which config file or parameter that I could modify to let issue could avoid it  ??

Thanks!!