错误信息：
errCode = 2, detailMessage = (xx.xxx.x.xxx)[MEM_LIMIT_EXCEEDED]PreCatch error code:11, [E11] Allocator sys memory check failed: Cannot alloc:4096, consuming tracker:<Load#Id=6ab27677edf94fd5-81d97594a5ae16a7>, peak used 55763394712, current used 18343585528, exec node:<>, process memory used 204.98 GB exceed limit 200.00 GB or sys available memory 42.34 GB less than low water mark 1.60 GB.
集群规模：11台物理机，40c，四块SSD。混布三台fe的机器内存为320G，其余八台256G
