即使节点有可用内存，纱线作业也会以退出代码143崩溃

My Map task is timing out with exit code 143, which I believe is a memory problem. From what I understand, from my settings, each container will receive 3gb of memory, 2.5gb of that will be allocated to java heap. When I check the memory availability on the yarn web UI, I see that My Map task is timing out with exit code 143, w