---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-19995 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-7 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 16G 0 16G 0% /dev tmpfs 3.2G 2.1M 3.2G 1% /run /dev/vda1 155G 15G 141G 10% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 /dev/loop0 51M 51M 0 100% /snap/snapd/25577 /dev/loop1 67M 67M 0 100% /snap/core24/1225 /dev/loop2 22M 22M 0 100% /snap/helm/485 ---> free -m: total used free shared buff/cache available Mem: 32167 1625 23930 2 6611 30084 Swap: 0 0 0 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:69:5d:c4 brd ff:ff:ff:ff:ff:ff inet 10.30.107.151/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85949sec preferred_lft 85949sec inet6 fe80::f816:3eff:fe69:5dc4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:db:e5:f0:2e brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:dbff:fee5:f02e/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 8e:c5:11:ab:d7:29 brd ff:ff:ff:ff:ff:ff inet 10.42.0.0/32 scope global flannel.1 valid_lft forever preferred_lft forever inet6 fe80::8cc5:11ff:feab:d729/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 06:4d:e9:63:1e:1c brd ff:ff:ff:ff:ff:ff inet 10.42.0.1/24 brd 10.42.0.255 scope global cni0 valid_lft forever preferred_lft forever inet6 fe80::44d:e9ff:fe63:1e1c/64 scope link valid_lft forever preferred_lft forever 7: vetheb7d1fe4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether f6:73:3e:0c:be:15 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::f473:3eff:fe0c:be15/64 scope link valid_lft forever preferred_lft forever 8: veth379e50ce@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether b6:85:2a:fb:6a:e9 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::b485:2aff:fefb:6ae9/64 scope link valid_lft forever preferred_lft forever 10: vethe84c6af6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether a6:45:30:32:5f:2a brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::a445:30ff:fe32:5f2a/64 scope link valid_lft forever preferred_lft forever 13: veth58312821@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether f6:87:bf:6e:8d:48 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::f487:bfff:fe6e:8d48/64 scope link valid_lft forever preferred_lft forever 14: vethb56883de@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 06:5a:06:22:47:ac brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::45a:6ff:fe22:47ac/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-19995) 12/11/25 _x86_64_ (8 CPU) 10:19:44 LINUX RESTART (8 CPU) 10:20:01 tps rtps wtps bread/s bwrtn/s 10:21:01 275.45 94.32 181.14 6130.58 73783.30 10:22:02 205.20 39.85 165.35 1979.65 68836.98 10:23:01 330.93 3.15 327.77 359.94 100379.87 10:24:01 131.34 0.02 131.33 3.47 70061.52 10:25:01 154.87 3.30 151.57 444.79 97999.47 10:26:01 87.42 21.83 65.59 744.41 11587.00 10:27:01 93.00 1.02 91.98 71.19 10032.06 Average: 182.27 23.42 158.85 1393.49 61726.06 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:21:01 30203844 31757096 2735368 8.30 45216 1827056 1384896 4.20 974656 1485280 305104 10:22:02 27574968 31117296 5364244 16.29 79476 3704120 2528340 7.68 1880156 3040792 1106728 10:23:01 25501412 30928916 7437800 22.58 132932 5370760 3039084 9.23 2764056 4044020 990672 10:24:01 25360756 31048272 7578456 23.01 134336 5647592 2627012 7.98 2590860 4383616 297144 10:25:01 25474852 30949656 7464360 22.66 141360 5490516 3262580 9.90 2384348 4531944 584 10:26:01 24749036 30750828 8190176 24.86 189896 5945320 3607732 10.95 2793876 4811360 56768 10:27:01 24533252 30831760 8405960 25.52 195624 6203428 3510580 10.66 2721248 5063900 131868 Average: 26199731 31054832 6739481 20.46 131263 4884113 2851461 8.66 2301314 3908702 412695 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:21:01 lo 2.37 2.37 0.26 0.26 0.00 0.00 0.00 0.00 10:21:01 ens3 381.15 274.49 1364.91 75.35 0.00 0.00 0.00 0.00 10:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:22:02 vetheb7d1fe4 2.87 3.65 0.96 1.23 0.00 0.00 0.00 0.00 10:22:02 lo 211.81 211.81 226.69 226.69 0.00 0.00 0.00 0.00 10:22:02 veth024e65b8 16.35 14.80 24.93 35.45 0.00 0.00 0.00 0.00 10:22:02 ens3 351.45 227.99 8915.50 25.02 0.00 0.00 0.00 0.00 10:23:01 vetheb7d1fe4 7.78 9.68 3.16 2.76 0.00 0.00 0.00 0.00 10:23:01 lo 50.21 50.21 67.09 67.09 0.00 0.00 0.00 0.00 10:23:01 vethe83d1eb 155.33 195.26 14.69 1597.79 0.00 0.00 0.00 0.13 10:23:01 ens3 235.81 178.94 2448.26 19.29 0.00 0.00 0.00 0.00 10:24:01 vetheb7d1fe4 7.02 8.42 2.76 1.70 0.00 0.00 0.00 0.00 10:24:01 lo 12.65 12.65 4.11 4.11 0.00 0.00 0.00 0.00 10:24:01 ens3 9.83 5.15 19.52 1.97 0.00 0.00 0.00 0.00 10:24:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:25:01 vetheb7d1fe4 7.51 8.25 2.80 1.70 0.00 0.00 0.00 0.00 10:25:01 lo 17.88 17.88 4.77 4.77 0.00 0.00 0.00 0.00 10:25:01 ens3 173.53 109.15 5372.71 10.72 0.00 0.00 0.00 0.00 10:25:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:26:01 vetheb7d1fe4 7.55 8.53 2.81 1.91 0.00 0.00 0.00 0.00 10:26:01 lo 45.93 45.93 18.23 18.23 0.00 0.00 0.00 0.00 10:26:01 ens3 257.49 170.29 3077.29 17.95 0.00 0.00 0.00 0.00 10:26:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:27:01 vetheb7d1fe4 7.40 8.38 2.80 1.72 0.00 0.00 0.00 0.00 10:27:01 lo 23.38 23.38 5.56 5.56 0.00 0.00 0.00 0.00 10:27:01 ens3 67.47 49.88 865.33 10.35 0.00 0.00 0.00 0.00 10:27:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vetheb7d1fe4 5.72 6.69 2.18 1.57 0.00 0.00 0.00 0.00 Average: lo 52.16 52.16 46.77 46.77 0.00 0.00 0.00 0.00 Average: ens3 211.02 145.11 3158.33 22.96 0.00 0.00 0.00 0.00 Average: flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-19995) 12/11/25 _x86_64_ (8 CPU) 10:19:44 LINUX RESTART (8 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:21:01 all 6.45 0.74 1.58 10.35 0.07 80.81 10:21:01 0 6.33 0.02 0.95 2.07 0.03 90.60 10:21:01 1 4.81 0.97 1.39 1.44 0.07 91.33 10:21:01 2 2.17 0.00 1.42 1.22 0.07 95.12 10:21:01 3 9.51 0.00 1.62 1.67 0.08 87.12 10:21:01 4 4.61 0.00 1.20 1.40 0.05 92.73 10:21:01 5 10.14 0.00 1.44 23.92 0.07 64.43 10:21:01 6 5.16 0.00 2.40 45.71 0.10 46.63 10:21:01 7 8.87 4.91 2.15 5.62 0.08 78.38 10:22:02 all 9.91 0.00 3.57 18.29 0.18 68.05 10:22:02 0 10.08 0.00 3.37 27.48 0.17 58.90 10:22:02 1 10.88 0.00 4.12 11.58 0.19 73.23 10:22:02 2 11.07 0.00 3.38 21.03 0.17 64.35 10:22:02 3 9.93 0.00 3.29 15.16 0.17 71.45 10:22:02 4 8.63 0.00 3.47 24.49 0.17 63.24 10:22:02 5 10.23 0.00 3.06 5.36 0.20 81.15 10:22:02 6 8.69 0.00 4.07 30.44 0.18 56.62 10:22:02 7 9.78 0.00 3.81 10.74 0.17 75.51 10:23:01 all 37.67 0.00 5.82 11.92 0.17 44.42 10:23:01 0 35.51 0.00 5.60 25.74 0.17 32.97 10:23:01 1 35.52 0.00 5.76 11.21 0.17 47.34 10:23:01 2 37.31 0.00 6.21 3.98 0.19 52.31 10:23:01 3 40.78 0.00 5.97 13.77 0.17 39.31 10:23:01 4 32.82 0.00 4.87 2.11 0.16 60.04 10:23:01 5 39.54 0.00 5.65 5.22 0.17 49.43 10:23:01 6 39.43 0.00 6.53 21.82 0.19 32.02 10:23:01 7 40.42 0.00 5.95 11.57 0.19 41.87 10:24:01 all 39.94 0.00 6.06 6.02 0.19 47.79 10:24:01 0 39.90 0.00 5.60 0.43 0.15 53.92 10:24:01 1 35.28 0.00 5.77 24.52 0.21 34.23 10:24:01 2 39.83 0.00 5.76 1.12 0.17 53.12 10:24:01 3 40.10 0.00 5.93 6.97 0.22 46.78 10:24:01 4 35.10 0.00 5.53 0.60 0.15 58.61 10:24:01 5 39.61 0.00 6.53 0.95 0.20 52.70 10:24:01 6 44.90 0.00 6.92 12.20 0.24 35.74 10:24:01 7 44.71 0.00 6.41 1.47 0.19 47.23 10:25:01 all 5.99 0.29 2.96 10.64 0.12 80.01 10:25:01 0 4.11 0.00 1.97 1.94 0.07 91.92 10:25:01 1 5.59 2.29 1.82 16.70 0.13 73.47 10:25:01 2 5.26 0.00 3.18 0.42 0.10 91.04 10:25:01 3 8.95 0.00 2.82 10.49 0.15 77.59 10:25:01 4 6.34 0.00 2.56 12.35 0.08 78.67 10:25:01 5 5.01 0.00 3.89 19.76 0.14 71.21 10:25:01 6 5.36 0.00 3.05 14.06 0.12 77.41 10:25:01 7 7.28 0.00 4.40 9.44 0.12 78.75 10:26:01 all 7.47 0.00 2.24 1.12 0.09 89.07 10:26:01 0 10.40 0.00 2.78 1.98 0.08 84.76 10:26:01 1 11.96 0.00 3.51 1.19 0.10 83.24 10:26:01 2 6.02 0.00 2.06 0.57 0.10 91.25 10:26:01 3 3.76 0.00 2.16 0.74 0.10 93.24 10:26:01 4 9.65 0.00 1.52 0.20 0.07 88.56 10:26:01 5 6.66 0.00 2.38 0.30 0.08 90.58 10:26:01 6 5.15 0.00 1.62 2.64 0.12 90.47 10:26:01 7 6.23 0.00 1.83 1.39 0.08 90.47 10:27:01 all 11.62 0.00 1.38 0.55 0.09 86.36 10:27:01 0 4.95 0.00 1.09 0.07 0.10 93.79 10:27:01 1 17.80 0.00 1.71 0.57 0.08 79.85 10:27:01 2 15.51 0.00 1.74 0.63 0.08 82.03 10:27:01 3 3.97 0.00 1.20 0.03 0.08 94.71 10:27:01 4 11.06 0.00 1.36 1.44 0.10 86.04 10:27:01 5 4.20 0.00 0.96 0.18 0.07 94.59 10:27:01 6 15.08 0.00 1.58 1.06 0.13 82.15 10:27:01 7 20.34 0.00 1.45 0.37 0.08 77.76 Average: all 16.88 0.15 3.36 8.40 0.13 71.09 Average: 0 15.73 0.00 3.03 8.46 0.11 72.67 Average: 1 17.28 0.47 3.42 9.54 0.14 69.15 Average: 2 16.59 0.00 3.37 4.14 0.13 75.77 Average: 3 16.60 0.00 3.27 6.94 0.14 73.05 Average: 4 15.33 0.00 2.91 6.11 0.11 75.53 Average: 5 16.37 0.00 3.40 7.97 0.13 72.12 Average: 6 17.58 0.00 3.72 18.27 0.15 60.28 Average: 7 19.56 0.71 3.70 5.77 0.13 70.13