kubernetes - kubectl 命令，用于查找每个节点的最高内存消耗 pod

Question

kubectl top pod --all-namespaces | sort --reverse --key 4 --numeric | head -10给出集群中的顶级 pod。如何获得每个节点的最高内存消耗 pod？

Answer 1

kubectl describe node node_name 会给你类似下面的内容。

  Namespace   Name  CPU Requests  CPU Limits    Memory Requests   Memory Limits     AGE
  ---------   ----  ------------  ----------    ---------------   -------------     ---
                    0 (0%)        0 (0%)        0 (0%)            0 (0%)            11d
                    200m (5%)     0 (0%)        400Mi (5%)        600Mi (8%)        22h
                    25m (0%)      1 (25%)       512Mi (6%)        0 (0%)            14d
                    25m (0%)      1 (25%)       512Mi (6%)        0 (0%)            14d
                    0 (0%)        0 (0%)        0 (0%)            0 (0%)            14d
                    10m (0%)      0 (0%)        0 (0%)            0 (0%)            14d
                    400m (10%)    2 (50%)       2176Mi (29%)      1Gi (13%)         14d
                    1100m (27%)   6800m (170%)  1134217728 (14%)  5073741824 (65%)  14d
                    100m (2%)     0 (0%)        100Mi (1%)        100Mi (1%)        14d
                    100m (2%)     0 (0%)        0 (0%)            0 (0%)            14d
                    0 (0%)        0 (0%)        0 (0%)            0 (0%)            14d
                    100m (2%)     400m (10%)    30Mi (0%)         200Mi (2%)        14d
                    100m (2%)     400m (10%)    200Mi (2%)        512Mi (6%)        14d
                    100m (2%)     400m (10%)    200Mi (2%)        512Mi (6%)        14d
                    110m (2%)     2010m (50%)   256Mi (3%)        1152Mi (15%)      14d