---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6666 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 shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/ef3544880b6a216923733e04a25baf2095bd29cfde34e40e2d5028bf3a63ac31/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/6d0c15a8949ad0b0c4c1ebdc04fa9e4f45cca83bb2e8ab7965eef325219f193b/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/74942d61b9aee7b51ca9c354e83a9f33bd77fab297cef6849bbbd3a944275f5e/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/384b54c4fbd5e40008f55c1e28a6cb956ba7ffecf839e5ffac834c8c1cc7aeed/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/82ffa99df65ace6f219331e9fa4ac78d4c03521e17b4c26185fb0488b5b39cee/shm /dev/loop0 51M 51M 0 100% /snap/snapd/25577 /dev/loop1 67M 67M 0 100% /snap/core24/1225 /dev/loop2 20M 20M 0 100% /snap/helm/476 ---> free -m: total used free shared buff/cache available Mem: 32167 1635 23956 2 6574 30074 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:ad:31:3c brd ff:ff:ff:ff:ff:ff inet 10.30.106.254/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86011sec preferred_lft 86011sec inet6 fe80::f816:3eff:fead:313c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:20:28:fa:3b 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::42:20ff:fe28:fa3b/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 0e:5e:b8:18:81:6b 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::c5e:b8ff:fe18:816b/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 22:91:52:10:1f:dd 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::445a:e8ff:febd:910d/64 scope link valid_lft forever preferred_lft forever 8: vethafd80fbe@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 26:24:55:80:9c:0f brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::2424:55ff:fe80:9c0f/64 scope link valid_lft forever preferred_lft forever 9: vethcbb9d41b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 32:14:08:c4:fa:8d brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::3014:8ff:fec4:fa8d/64 scope link valid_lft forever preferred_lft forever 10: veth4672940e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 32:a8:e4:e0:ef:e9 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::30a8:e4ff:fee0:efe9/64 scope link valid_lft forever preferred_lft forever 11: veth734c175e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 6e:79:b2:77:c1:b2 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::6c79:b2ff:fe77:c1b2/64 scope link valid_lft forever preferred_lft forever 12: vethc8de4d4c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 5a:a2:c6:7a:c7:06 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::58a2:c6ff:fe7a:c706/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6666) 10/27/25 _x86_64_ (8 CPU) 09:59:44 LINUX RESTART (8 CPU) 10:00:01 tps rtps wtps bread/s bwrtn/s 10:01:01 372.45 93.98 278.47 6104.05 134668.49 10:02:01 457.01 43.24 413.76 2287.35 128301.55 10:03:01 164.71 0.00 164.71 0.00 50839.99 10:04:02 154.69 3.48 151.21 470.59 85513.21 10:05:01 97.83 22.17 75.67 756.89 21744.52 10:06:01 100.30 1.07 99.23 75.99 10514.25 Average: 224.85 27.34 197.51 1618.16 72069.51 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:01:01 29628408 31504044 3310812 10.05 45784 2143404 1647612 5.00 1311984 1706764 3892 10:02:01 26553096 30988696 6386124 19.39 128900 4402948 3398528 10.32 2217996 3595128 612316 10:03:01 25569376 30968784 7369844 22.37 134476 5322152 3789464 11.50 2724304 4025228 612644 10:04:02 25608312 31052188 7330908 22.26 138324 5470592 2754996 8.36 2279200 4516176 286292 10:05:01 24861960 30822152 8077260 24.52 183996 5916728 3578560 10.86 2713280 4784592 55084 10:06:01 24570288 30831020 8368932 25.41 190736 6177492 3524976 10.70 2716184 5039564 130308 Average: 26131907 31027814 6807313 20.67 137036 4905553 3115689 9.46 2327158 3944575 283423 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:01:01 lo 54.07 54.07 15.36 15.36 0.00 0.00 0.00 0.00 10:01:01 ens3 433.78 278.40 2584.41 76.16 0.00 0.00 0.00 0.00 10:02:01 veth4672940e 7.38 9.07 2.85 3.10 0.00 0.00 0.00 0.00 10:02:01 vethc8de4d4c 4.02 3.53 0.75 1.78 0.00 0.00 0.00 0.00 10:02:01 cni0 45.86 42.01 37.10 108.49 0.00 0.00 0.88 0.00 10:02:01 veth0b68893 158.16 260.82 14.10 1292.01 0.00 0.00 0.00 0.11 10:03:01 veth4672940e 6.91 8.45 2.70 1.76 0.00 0.00 0.00 0.00 10:03:01 vethc8de4d4c 1.42 1.70 0.11 0.41 0.00 0.00 0.00 0.00 10:03:01 cni0 11.43 13.30 2.94 2.45 0.00 0.00 0.12 0.00 10:03:01 veth0b68893 0.65 0.65 0.05 0.67 0.00 0.00 0.00 0.00 10:04:02 veth4672940e 7.28 8.48 2.78 1.71 0.00 0.00 0.00 0.00 10:04:02 vethc8de4d4c 1.35 1.55 0.11 0.19 0.00 0.00 0.00 0.00 10:04:02 cni0 11.85 13.26 3.02 2.18 0.00 0.00 0.07 0.00 10:04:02 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:05:01 veth4672940e 7.30 8.59 2.77 1.79 0.00 0.00 0.00 0.00 10:05:01 vethc8de4d4c 1.53 1.78 0.12 0.40 0.00 0.00 0.00 0.00 10:05:01 cni0 12.13 13.49 3.03 2.54 0.00 0.00 0.12 0.00 10:05:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:06:01 veth4672940e 7.52 8.48 2.80 1.81 0.00 0.00 0.00 0.00 10:06:01 vethc8de4d4c 1.38 1.50 0.11 0.40 0.00 0.00 0.00 0.00 10:06:01 cni0 12.11 13.23 3.04 2.50 0.00 0.00 0.05 0.00 10:06:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth4672940e 6.06 7.17 2.32 1.69 0.00 0.00 0.00 0.00 Average: vethc8de4d4c 1.62 1.68 0.20 0.53 0.00 0.00 0.00 0.00 Average: cni0 15.57 15.89 8.20 19.74 0.00 0.00 0.21 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-6666) 10/27/25 _x86_64_ (8 CPU) 09:59:44 LINUX RESTART (8 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:01:01 all 8.44 0.98 2.31 4.98 0.05 83.24 10:01:01 0 9.25 0.00 2.50 1.50 0.07 86.68 10:01:01 1 11.40 0.00 2.94 27.76 0.07 57.83 10:01:01 2 6.81 0.00 1.67 0.30 0.05 91.17 10:01:01 3 11.73 0.02 1.87 1.30 0.05 85.03 10:01:01 4 7.19 2.08 1.76 1.12 0.05 87.80 10:01:01 5 5.80 0.00 2.11 4.01 0.05 88.03 10:01:01 6 7.36 0.00 3.03 0.85 0.05 88.70 10:01:01 7 7.98 5.67 2.53 3.09 0.05 80.69 10:02:01 all 14.64 0.00 5.28 14.96 0.14 64.97 10:02:01 0 15.19 0.00 5.37 20.81 0.12 58.52 10:02:01 1 14.83 0.00 4.94 24.08 0.12 56.02 10:02:01 2 15.04 0.00 5.14 4.47 0.14 75.21 10:02:01 3 14.84 0.00 5.84 5.77 0.15 73.40 10:02:01 4 14.54 0.00 5.16 14.73 0.13 65.44 10:02:01 5 15.71 0.00 5.19 18.95 0.14 60.00 10:02:01 6 13.87 0.00 5.53 11.87 0.13 68.60 10:02:01 7 13.14 0.00 5.15 19.03 0.15 62.54 10:03:01 all 50.00 0.00 6.07 1.39 0.13 42.41 10:03:01 0 55.98 0.00 6.04 0.45 0.10 37.42 10:03:01 1 47.74 0.00 5.84 0.13 0.12 46.17 10:03:01 2 53.63 0.00 6.41 0.76 0.13 39.07 10:03:01 3 48.62 0.00 6.38 2.77 0.13 42.10 10:03:01 4 50.43 0.00 6.73 3.62 0.15 39.07 10:03:01 5 46.83 0.00 5.22 0.27 0.12 47.56 10:03:01 6 48.99 0.00 5.64 0.02 0.12 45.23 10:03:01 7 47.74 0.00 6.28 3.15 0.13 42.69 10:04:02 all 14.58 0.22 3.92 5.35 0.09 75.84 10:04:02 0 14.75 0.00 3.28 7.86 0.10 74.01 10:04:02 1 12.82 0.00 4.49 3.08 0.10 79.51 10:04:02 2 14.08 0.00 3.51 3.02 0.10 79.28 10:04:02 3 14.22 1.78 4.44 14.96 0.08 64.50 10:04:02 4 14.15 0.00 3.78 0.22 0.08 81.77 10:04:02 5 15.81 0.00 4.19 12.67 0.08 67.24 10:04:02 6 17.27 0.00 3.86 0.27 0.08 78.51 10:04:02 7 13.49 0.00 3.77 0.76 0.10 81.88 10:05:01 all 6.32 0.00 2.20 2.18 0.08 89.22 10:05:01 0 8.76 0.00 2.03 4.94 0.07 84.21 10:05:01 1 5.32 0.00 3.35 0.66 0.07 90.60 10:05:01 2 8.56 0.00 1.79 1.50 0.05 88.10 10:05:01 3 4.94 0.00 1.78 1.18 0.07 92.04 10:05:01 4 7.36 0.00 1.98 0.53 0.09 90.05 10:05:01 5 6.45 0.00 2.77 6.19 0.09 84.51 10:05:01 6 4.98 0.00 2.32 1.83 0.07 90.80 10:05:01 7 4.23 0.00 1.58 0.63 0.09 93.48 10:06:01 all 11.52 0.00 1.26 1.11 0.08 86.03 10:06:01 0 10.71 0.00 1.17 0.18 0.05 87.89 10:06:01 1 8.84 0.00 1.57 2.80 0.08 86.71 10:06:01 2 19.88 0.00 1.59 0.53 0.10 77.90 10:06:01 3 7.73 0.00 1.04 0.44 0.07 90.73 10:06:01 4 8.35 0.00 1.21 1.97 0.07 88.41 10:06:01 5 21.89 0.00 1.34 0.70 0.08 75.99 10:06:01 6 8.69 0.00 1.19 0.62 0.05 89.46 10:06:01 7 5.99 0.00 1.00 1.69 0.08 91.24 Average: all 17.60 0.20 3.51 5.00 0.09 73.61 Average: 0 19.12 0.00 3.40 5.94 0.08 71.46 Average: 1 16.85 0.00 3.85 9.75 0.09 69.45 Average: 2 19.68 0.00 3.35 1.76 0.10 75.11 Average: 3 17.02 0.30 3.56 4.41 0.09 74.63 Average: 4 17.02 0.35 3.44 3.70 0.10 75.40 Average: 5 18.77 0.00 3.47 7.11 0.09 70.56 Average: 6 16.88 0.00 3.60 2.57 0.08 76.87 Average: 7 15.45 0.95 3.39 4.73 0.10 75.38