Hello Team,
recently we have faced some issue with one of our mongod instance wherein it got killed abruptly with an error 2021-07-05T11:08:12.757-0500 F - [conn4333398] std::exception::what(): Invalid argument
Actual exception type: std::system_error
0x56419b5dc381 0x56419b5dbcc6 0x7fd566ee1ae6 0x7fd566ee1b21 0x7fd566ee1d54 0x7fd566edda23 0x56419b5cf753 0x564199cfc3d4 0x564199cfb11f 0x56419afc74e6 0x56419afcc741 0x564199e841ce 0x564199e868b4 0x564199e8764d 0x564199e75c6c 0x564199e8149c 0x564199e7ebe7 0x564199e80535 0x56419acf49f2 0x564199e7be6d 0x564199e7d57b 0x564199e7e036 0x564199e7ebab 0x564199e80535 0x56419acf4e77 0x56419b35b685 0x56419b35b6e4 0x7fd5666816db 0x7fd5663aa88f

not sure on the error part what exactly caused the issue, i have shared the error log for the day wherein the incident took place at 2021-07-05T11:08:12.757-0500  EST

the below error we got from syslog