---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6129 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: 2800.000 BogoMIPS: 5600.00 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 16G 0 16G 0% /dev tmpfs 3.2G 1.8M 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 0 3.2G 0% /run/user/1001 shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/3b9fc3fe9080068144d3d6a2a45009ef3d91e25f792e28bf5c69c5df48d9ef23/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/addc80713cb4329c26df97733d25d7c8beaf19dd89004d560a354a4bc1b8b710/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/21635e2b8af46e5fe5df95c8cad3b6637e1c2e0868066c88b0c1f29e276cb2d2/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/42a3829e02ec0e9318d32c961f9206f0f2d7288c5425a78c8b80e8ece59a3961/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/9488efdf0f51f5dd66b35c3a38aab474d39a17eb2d5ec94b6dbeda4bd90a4f34/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1533 24167 1 6466 30176 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:28:50:64 brd ff:ff:ff:ff:ff:ff inet 10.30.107.225/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86072sec preferred_lft 86072sec inet6 fe80::f816:3eff:fe28:5064/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:08:4a:e4:5e 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::42:8ff:fe4a:e45e/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 02:b4:d5:0b:4b:1b 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::b4:d5ff:fe0b:4b1b/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether ba:0b:fc:c4:75:72 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::b80b:fcff:fec4:7572/64 scope link valid_lft forever preferred_lft forever 8: veth68752b42@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 26:6a:ff:b9:37:c8 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::246a:ffff:feb9:37c8/64 scope link valid_lft forever preferred_lft forever 9: veth933b09c6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ba:24:4d:54:ac:0e brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::b824:4dff:fe54:ac0e/64 scope link valid_lft forever preferred_lft forever 10: veth58fe114b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 42:97:72:da:7b:a5 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::4097:72ff:feda:7ba5/64 scope link valid_lft forever preferred_lft forever 11: veth2d60790f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether b2:c0:8d:cd:9c:50 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::b0c0:8dff:fecd:9c50/64 scope link valid_lft forever preferred_lft forever 12: vetha8309a6e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 5e:ad:fc:8d:85:44 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::5cad:fcff:fe8d:8544/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6129) 10/29/26 _x86_64_ (8 CPU) 08:53:44 LINUX RESTART (8 CPU) 08:54:01 tps rtps wtps bread/s bwrtn/s 08:55:02 371.37 115.43 255.94 6670.75 135712.58 08:56:01 383.00 20.89 362.11 1663.04 143275.92 08:57:01 137.54 3.17 134.38 424.33 52091.85 08:58:01 173.07 20.51 152.56 799.20 73765.84 08:59:01 103.55 1.17 102.38 75.99 11331.58 Average: 233.21 32.27 200.94 1927.54 83034.78 08:54:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:55:02 29514912 31382516 3424308 10.40 47740 2131784 1965244 5.97 1514140 1610244 2996 08:56:01 24868296 30585752 8070924 24.50 121148 5675168 3341672 10.14 3285396 4160872 1312096 08:57:01 26858656 31089656 6080564 18.46 122464 4318524 2485852 7.55 2167332 3430524 130288 08:58:01 25207188 30907240 7732032 23.47 132972 5716952 3301564 10.02 2501672 4672844 40760 08:59:01 24760028 30917936 8179192 24.83 140740 6122672 3299760 10.02 2505088 5067776 228128 Average: 26241816 30976620 6697404 20.33 113013 4793020 2878818 8.74 2394726 3788452 342854 08:54:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:55:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:55:02 lo 77.04 77.04 27.65 27.65 0.00 0.00 0.00 0.00 08:55:02 ens3 428.23 326.30 2479.02 78.73 0.00 0.00 0.00 0.00 08:56:01 cni0 41.35 40.26 21.60 94.17 0.00 0.00 0.88 0.00 08:56:01 docker0 143.40 225.44 10.32 1526.22 0.00 0.00 0.00 0.00 08:56:01 veth2d60790f 0.15 0.49 0.01 0.04 0.00 0.00 0.00 0.00 08:56:01 vetha8309a6e 6.00 5.02 1.16 1.97 0.00 0.00 0.00 0.00 08:57:01 cni0 11.51 12.86 2.33 1.44 0.00 0.00 0.10 0.00 08:57:01 docker0 0.52 0.60 0.04 0.44 0.00 0.00 0.00 0.00 08:57:01 veth2d60790f 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 08:57:01 vetha8309a6e 1.48 1.60 0.13 0.20 0.00 0.00 0.00 0.00 08:58:01 cni0 12.45 13.48 2.44 1.90 0.00 0.00 0.17 0.00 08:58:01 docker0 0.00 0.07 0.00 0.01 0.00 0.00 0.00 0.00 08:58:01 veth2d60790f 0.02 0.17 0.00 0.01 0.00 0.00 0.00 0.00 08:58:01 vetha8309a6e 1.65 1.87 0.14 0.41 0.00 0.00 0.00 0.00 08:59:01 cni0 11.91 13.21 2.39 1.55 0.00 0.00 0.03 0.00 08:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:59:01 veth2d60790f 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 08:59:01 vetha8309a6e 1.52 1.55 0.13 0.19 0.00 0.00 0.00 0.00 Average: cni0 15.36 15.88 5.70 19.56 0.00 0.00 0.23 0.00 Average: docker0 28.40 44.62 2.05 301.25 0.00 0.00 0.00 0.00 Average: veth2d60790f 0.04 0.16 0.00 0.01 0.00 0.00 0.00 0.00 Average: vetha8309a6e 2.12 2.00 0.31 0.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6129) 10/29/26 _x86_64_ (8 CPU) 08:53:44 LINUX RESTART (8 CPU) 08:54:01 CPU %user %nice %system %iowait %steal %idle 08:55:02 all 9.15 0.71 2.60 5.99 0.01 81.55 08:55:02 0 6.50 2.08 2.15 0.92 0.02 88.34 08:55:02 1 6.68 0.00 2.40 4.03 0.00 86.89 08:55:02 2 4.88 3.52 2.40 20.49 0.02 68.68 08:55:02 3 8.44 0.00 2.88 0.99 0.00 87.69 08:55:02 4 8.17 0.02 2.73 4.29 0.00 84.80 08:55:02 5 13.77 0.00 2.28 1.94 0.00 82.01 08:55:02 6 13.02 0.00 2.40 11.41 0.00 73.18 08:55:02 7 11.71 0.00 3.57 3.89 0.00 80.84 08:56:01 all 48.10 0.00 8.60 1.92 0.02 41.36 08:56:01 0 47.28 0.00 8.66 1.29 0.02 42.76 08:56:01 1 46.55 0.00 8.90 4.99 0.02 39.54 08:56:01 2 50.51 0.00 8.17 1.85 0.03 39.43 08:56:01 3 47.44 0.00 7.70 1.54 0.03 43.27 08:56:01 4 46.35 0.00 8.78 1.39 0.03 43.45 08:56:01 5 48.54 0.00 9.28 2.98 0.03 39.17 08:56:01 6 50.52 0.00 8.84 0.69 0.03 39.91 08:56:01 7 47.60 0.00 8.44 0.62 0.02 43.33 08:57:01 all 42.94 0.19 6.47 0.55 0.02 49.82 08:57:01 0 40.74 0.00 5.93 0.22 0.02 53.09 08:57:01 1 46.73 0.00 8.32 0.02 0.02 44.91 08:57:01 2 40.69 0.00 6.07 0.08 0.02 53.14 08:57:01 3 42.50 0.00 5.67 2.28 0.02 49.53 08:57:01 4 43.94 1.51 6.09 0.03 0.02 48.41 08:57:01 5 45.21 0.02 6.77 0.40 0.02 47.59 08:57:01 6 42.96 0.00 6.82 1.34 0.03 48.84 08:57:01 7 40.77 0.00 6.10 0.05 0.02 53.06 08:58:01 all 8.37 0.00 3.18 1.22 0.01 87.22 08:58:01 0 6.73 0.00 3.44 3.41 0.02 86.41 08:58:01 1 13.74 0.00 3.10 0.67 0.00 82.49 08:58:01 2 10.03 0.00 2.67 0.50 0.00 86.79 08:58:01 3 6.71 0.00 2.77 0.39 0.00 90.14 08:58:01 4 6.23 0.00 3.06 1.38 0.02 89.31 08:58:01 5 8.11 0.00 3.84 1.55 0.02 86.48 08:58:01 6 8.67 0.00 2.96 1.72 0.02 86.63 08:58:01 7 6.78 0.00 3.59 0.15 0.00 89.48 08:59:01 all 11.50 0.00 1.35 0.60 0.01 86.54 08:59:01 0 7.01 0.00 1.04 1.04 0.00 90.92 08:59:01 1 25.78 0.00 1.99 0.33 0.02 71.88 08:59:01 2 7.66 0.00 1.34 0.67 0.00 90.33 08:59:01 3 12.53 0.00 1.15 0.05 0.02 86.26 08:59:01 4 19.83 0.00 1.76 1.52 0.00 76.89 08:59:01 5 8.31 0.00 1.57 0.55 0.02 89.55 08:59:01 6 4.16 0.00 0.94 0.30 0.02 94.59 08:59:01 7 6.64 0.00 1.03 0.34 0.02 91.98 Average: all 23.90 0.18 4.42 2.06 0.01 69.42 Average: 0 21.52 0.42 4.22 1.37 0.01 72.46 Average: 1 27.83 0.00 4.92 1.99 0.01 65.24 Average: 2 22.63 0.71 4.11 4.73 0.01 67.80 Average: 3 23.40 0.00 4.02 1.05 0.01 71.53 Average: 4 24.80 0.31 4.46 1.73 0.01 68.69 Average: 5 24.69 0.00 4.73 1.48 0.02 69.09 Average: 6 23.74 0.00 4.37 3.11 0.02 68.76 Average: 7 22.62 0.00 4.53 1.01 0.01 71.83