---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-3628 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 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/67bc783b98ad835b851b418523a23f50d4bf12b486aee7511fdbe7cedcb62ac0/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/2cb622dc4dd543ae65b7ad793b0fc4c9349e2567f9293e9fee71307fc0a2a710/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/fb4c868c8e0d0857ced870dfb2857ee32b205422895a730d131b14716253349a/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/6326e6ab6133d3b4564d6a4dafee8c83823522522a9773d6161c8dc8fff47a3b/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/9e37b8d0250096ac3d2669a6803330df6da9f0e5d7f762da0c219c2ea65d0810/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1529 24206 1 6431 30181 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:74:13:97 brd ff:ff:ff:ff:ff:ff inet 10.30.106.147/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86075sec preferred_lft 86075sec inet6 fe80::f816:3eff:fe74:1397/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b0:51:f7:b4 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:b0ff:fe51:f7b4/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether d6:84:a5:97:44:20 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::d484:a5ff:fe97:4420/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 6a:7b:ac:10:92:90 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::687b:acff:fe10:9290/64 scope link valid_lft forever preferred_lft forever 8: vethadf51b67@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 36:70:b0:9a:aa:b2 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::3470:b0ff:fe9a:aab2/64 scope link valid_lft forever preferred_lft forever 9: veth92b62f53@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 0e:d3:85:73:07:fc brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::cd3:85ff:fe73:7fc/64 scope link valid_lft forever preferred_lft forever 10: veth09775303@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 42:e6:27:37:8f:2b brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::40e6:27ff:fe37:8f2b/64 scope link valid_lft forever preferred_lft forever 11: veth140addcd@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether be:4d:2e:80:b7:4c brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::bc4d:2eff:fe80:b74c/64 scope link valid_lft forever preferred_lft forever 12: vethc9d8c976@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 2a:6c:e1:af:43:24 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::286c:e1ff:feaf:4324/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3628) 09/21/26 _x86_64_ (8 CPU) 05:56:13 LINUX RESTART (8 CPU) 05:57:01 tps rtps wtps bread/s bwrtn/s 05:58:01 509.50 63.64 445.86 3469.96 150101.92 05:59:01 189.24 0.00 189.24 0.00 90842.25 06:00:01 190.60 3.87 186.74 517.65 92100.92 06:01:01 92.23 20.43 71.80 765.47 11278.25 Average: 245.39 21.98 223.41 1188.22 86081.03 05:57:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:58:01 25752300 30660628 7186920 21.82 131296 4875928 3858516 11.71 2784504 3800584 1100084 05:59:01 24951112 30906424 7988108 24.25 134468 5877384 3487984 10.59 3074656 4266236 942640 06:00:01 25463660 30979196 7475560 22.70 139892 5535216 3300016 10.02 2331220 4595548 84580 06:01:01 25019220 30928976 7920000 24.04 149840 5885824 3305604 10.04 2493740 4841588 187684 Average: 25296573 30868806 7642647 23.20 138874 5543588 3488030 10.59 2671030 4375989 578747 05:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:58:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 veth140addcd 0.13 0.47 0.01 0.04 0.00 0.00 0.00 0.00 05:58:01 veth09775303 6.15 7.87 1.91 2.37 0.00 0.00 0.00 0.00 05:58:01 vethc9d8c976 5.18 4.32 1.07 1.78 0.00 0.00 0.00 0.00 05:59:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 veth140addcd 0.03 0.10 0.00 0.01 0.00 0.00 0.00 0.00 05:59:01 veth09775303 6.68 8.08 2.02 0.95 0.00 0.00 0.00 0.00 05:59:01 vethc9d8c976 1.50 1.60 0.13 0.20 0.00 0.00 0.00 0.00 06:00:01 veth3b9d702c 0.10 0.15 0.01 0.01 0.00 0.00 0.00 0.00 06:00:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 veth140addcd 0.02 0.17 0.00 0.01 0.00 0.00 0.00 0.00 06:00:01 veth09775303 7.20 8.50 2.14 1.00 0.00 0.00 0.00 0.00 06:01:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:01:01 veth140addcd 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 06:01:01 veth09775303 7.35 8.32 2.15 1.17 0.00 0.00 0.00 0.00 06:01:01 vethc9d8c976 9.77 9.27 1.46 2.58 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 Average: veth140addcd 0.05 0.19 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth09775303 6.84 8.19 2.06 1.37 0.00 0.00 0.00 0.00 Average: vethc9d8c976 2.44 2.32 0.36 0.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3628) 09/21/26 _x86_64_ (8 CPU) 05:56:13 LINUX RESTART (8 CPU) 05:57:01 CPU %user %nice %system %iowait %steal %idle 05:58:01 all 34.57 0.38 8.02 3.13 0.01 53.89 05:58:01 0 34.90 0.00 7.89 2.89 0.00 54.32 05:58:01 1 33.49 0.00 8.60 4.89 0.02 53.01 05:58:01 2 35.51 0.00 8.61 3.58 0.00 52.30 05:58:01 3 33.02 0.00 7.66 4.11 0.02 55.19 05:58:01 4 35.17 0.00 8.01 1.96 0.00 54.86 05:58:01 5 34.57 1.51 7.95 3.60 0.02 52.35 05:58:01 6 35.09 1.54 7.46 2.37 0.00 53.54 05:58:01 7 34.83 0.00 7.94 1.62 0.02 55.60 05:59:01 all 54.10 0.00 7.49 0.66 0.01 37.74 05:59:01 0 53.22 0.00 7.32 0.02 0.02 39.42 05:59:01 1 55.70 0.00 8.64 0.07 0.03 35.56 05:59:01 2 54.99 0.00 7.45 0.22 0.02 37.32 05:59:01 3 52.36 0.00 7.64 3.16 0.02 36.83 05:59:01 4 56.82 0.00 7.29 0.49 0.02 35.39 05:59:01 5 53.87 0.00 6.74 0.00 0.02 39.37 05:59:01 6 53.70 0.00 7.36 1.31 0.02 37.61 05:59:01 7 52.15 0.00 7.44 0.00 0.00 40.41 06:00:01 all 11.05 0.25 4.29 1.20 0.01 83.19 06:00:01 0 9.72 0.00 4.17 1.83 0.00 84.28 06:00:01 1 8.93 1.97 4.31 3.06 0.02 81.71 06:00:01 2 13.49 0.00 5.43 1.56 0.00 79.51 06:00:01 3 10.22 0.00 3.40 0.15 0.00 86.23 06:00:01 4 14.64 0.00 3.76 1.48 0.00 80.12 06:00:01 5 9.98 0.00 4.63 0.39 0.02 84.98 06:00:01 6 11.70 0.00 4.99 0.86 0.02 82.43 06:00:01 7 9.75 0.00 3.68 0.27 0.02 86.28 06:01:01 all 10.14 0.00 1.49 0.58 0.01 87.79 06:01:01 0 7.68 0.00 1.59 0.75 0.00 89.97 06:01:01 1 26.88 0.00 1.67 0.45 0.02 70.98 06:01:01 2 13.15 0.00 2.20 0.53 0.02 84.10 06:01:01 3 6.44 0.00 1.32 0.13 0.00 92.10 06:01:01 4 5.43 0.00 1.19 0.80 0.02 92.56 06:01:01 5 7.23 0.00 1.39 0.12 0.00 91.26 06:01:01 6 8.93 0.00 1.29 0.84 0.02 88.93 06:01:01 7 5.28 0.00 1.23 1.04 0.02 92.43 Average: all 27.44 0.16 5.31 1.39 0.01 65.69 Average: 0 26.34 0.00 5.23 1.37 0.00 67.05 Average: 1 31.25 0.49 5.80 2.11 0.02 60.33 Average: 2 29.25 0.00 5.91 1.47 0.01 63.36 Average: 3 25.50 0.00 5.00 1.89 0.01 67.60 Average: 4 27.98 0.00 5.05 1.18 0.01 65.78 Average: 5 26.39 0.37 5.17 1.02 0.01 67.03 Average: 6 27.32 0.38 5.26 1.34 0.01 65.68 Average: 7 25.49 0.00 5.07 0.73 0.01 68.70