早上查看数据库alert日志，发现如下ORA-报错：
kgxpvfynet: mtype: 61 process 6460 failed because of a resource problem in the OS. The OS has most likely run out of buffers (rval: 4)kgxpvfynet: mt
阅读背景：
ORA-27300: OS system dependent operation:sendmsg failed with status: 105 ORA-27301: OS failure message: No buffer space available
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