doris be restarted

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Our Doris is managed by a supervisor, but we cannot see any related logs information about stop in be.INFO.Log file. We only see some information about startup logs.
And the server host is relatively large (96 cores, 256GB), and the concurrency and data volume are not too large, so it cannot meet the conditions for memory overflow.
I don't know why the BE instance is rebooted (suspected to be caused by a supervisor reboot). while reviewing the supervisor.log, the following information was found:
exit : dorie_be (Exit status 139; not expected)