---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6404 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/83d9d520cc9ef1cdd52ae249de99b56bb00d1e5b75ac9a4873012d9e4b3c4d52/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a347b4a0edb7623b9f37203bab7218909ae577db279122942b591480f4acf02a/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/dcb3b96ff31e102a9b78e2a58a0518c580db414cc73bfaefd093c779a7e57ad9/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/c9932462348668a50b5a7932330ae8e0f7e064351a8c9778ded9c32f8eada81f/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/cdb03204c641471ce8d3654c30379a26589a5732895d3ccbd7c77a3f9a7020e8/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1482 24039 1 6645 30228 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:26:fc:ea brd ff:ff:ff:ff:ff:ff inet 10.30.106.250/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86065sec preferred_lft 86065sec inet6 fe80::f816:3eff:fe26:fcea/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:30:aa:bd:3a 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::42:30ff:feaa:bd3a/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 9e:b9:73:53:d2:80 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::9cb9:73ff:fe53:d280/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 6e:d0:64:70:b9:d2 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::6cd0:64ff:fe70:b9d2/64 scope link valid_lft forever preferred_lft forever 7: veth67bb4f68@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 86:a0:c6:74:c4:26 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::84a0:c6ff:fe74:c426/64 scope link valid_lft forever preferred_lft forever 9: veth894ac282@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ea:13:b4:76:08:e8 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::e813:b4ff:fe76:8e8/64 scope link valid_lft forever preferred_lft forever 10: vethc2e3ef5f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 62:89:0a:23:3a:00 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::6089:aff:fe23:3a00/64 scope link valid_lft forever preferred_lft forever 11: veth15d7cbf4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ba:da:af:7e:a4:1a brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::b8da:afff:fe7e:a41a/64 scope link valid_lft forever preferred_lft forever 12: veth51173927@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether be:23:42:e2:47:d2 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::bc23:42ff:fee2:47d2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6404) 10/30/26 _x86_64_ (8 CPU) 06:21:19 LINUX RESTART (8 CPU) 06:22:02 tps rtps wtps bread/s bwrtn/s 06:23:01 403.56 84.32 319.23 3771.84 152159.43 06:24:01 179.14 0.03 179.11 0.27 95059.51 06:25:01 158.81 3.48 155.33 472.64 103109.10 06:26:01 733.24 659.47 73.77 6002.68 11105.12 Average: 368.17 186.79 181.39 2553.28 90176.58 06:22:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:23:01 26188496 30920208 6750724 20.49 121372 4711772 3374456 10.24 2436240 3717880 1049232 06:24:01 25016612 30836568 7922608 24.05 125968 5752424 3556776 10.80 3097616 4182100 693640 06:25:01 25640524 31033612 7298696 22.16 131520 5413244 3180376 9.66 2292368 4460296 560 06:26:01 24885344 30975408 8053876 24.45 293740 5851796 3367708 10.22 2619244 4783644 186188 Average: 25432744 30941449 7506476 22.79 168150 5432309 3369829 10.23 2611367 4285980 482405 06:22:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:23:01 veth894ac282 5.49 6.98 1.73 2.18 0.00 0.00 0.00 0.00 06:23:01 veth15d7cbf4 0.14 0.46 0.01 0.03 0.00 0.00 0.00 0.00 06:23:01 cni0 36.38 35.76 20.84 93.71 0.00 0.00 0.85 0.00 06:23:01 veth67bb4f68 0.56 1.44 0.10 0.21 0.00 0.00 0.00 0.00 06:24:01 veth894ac282 6.78 7.93 1.98 0.93 0.00 0.00 0.00 0.00 06:24:01 veth15d7cbf4 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 06:24:01 cni0 11.18 12.51 2.22 1.40 0.00 0.00 0.12 0.00 06:24:01 veth67bb4f68 0.10 0.18 0.01 0.02 0.00 0.00 0.00 0.00 06:25:01 veth894ac282 7.10 8.48 2.13 0.99 0.00 0.00 0.00 0.00 06:25:01 veth15d7cbf4 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 06:25:01 cni0 11.73 13.35 2.39 1.48 0.00 0.00 0.08 0.00 06:25:01 veth67bb4f68 0.13 0.18 0.01 0.02 0.00 0.00 0.00 0.00 06:26:01 veth894ac282 7.38 8.45 2.16 1.18 0.00 0.00 0.00 0.00 06:26:01 veth15d7cbf4 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 06:26:01 cni0 12.36 13.42 2.44 1.98 0.00 0.00 0.10 0.00 06:26:01 veth67bb4f68 0.08 0.18 0.00 0.02 0.00 0.00 0.00 0.00 Average: veth894ac282 6.69 7.96 2.00 1.32 0.00 0.00 0.00 0.00 Average: veth15d7cbf4 0.05 0.19 0.00 0.01 0.00 0.00 0.00 0.00 Average: cni0 17.84 18.69 6.92 24.37 0.00 0.00 0.28 0.00 Average: veth67bb4f68 0.22 0.49 0.03 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6404) 10/30/26 _x86_64_ (8 CPU) 06:21:19 LINUX RESTART (8 CPU) 06:22:02 CPU %user %nice %system %iowait %steal %idle 06:23:01 all 30.19 0.41 7.98 2.83 0.01 58.58 06:23:01 0 29.06 0.00 8.04 2.24 0.02 60.64 06:23:01 1 31.59 0.00 7.95 0.51 0.02 59.93 06:23:01 2 29.81 0.00 8.03 5.29 0.02 56.85 06:23:01 3 30.22 3.24 7.67 4.33 0.00 54.54 06:23:01 4 30.51 0.00 8.13 1.11 0.00 60.24 06:23:01 5 29.30 0.00 7.71 2.75 0.00 60.24 06:23:01 6 31.61 0.00 8.32 2.28 0.02 57.77 06:23:01 7 29.40 0.00 8.01 4.13 0.02 58.44 06:24:01 all 52.58 0.00 8.01 0.75 0.02 38.64 06:24:01 0 50.77 0.00 8.36 0.18 0.02 40.68 06:24:01 1 51.01 0.00 7.56 0.00 0.02 41.42 06:24:01 2 57.42 0.00 8.09 0.18 0.00 34.31 06:24:01 3 55.35 0.00 8.07 0.80 0.02 35.76 06:24:01 4 52.88 0.00 8.50 3.41 0.05 35.15 06:24:01 5 51.15 0.00 7.42 0.12 0.02 41.29 06:24:01 6 50.67 0.00 8.12 0.03 0.03 41.14 06:24:01 7 51.40 0.00 7.92 1.26 0.02 39.40 06:25:01 all 29.22 0.21 7.43 1.56 0.01 61.57 06:25:01 0 26.26 0.00 7.63 4.91 0.00 61.21 06:25:01 1 27.26 1.68 7.53 0.05 0.00 63.48 06:25:01 2 35.16 0.00 8.76 0.45 0.02 55.61 06:25:01 3 30.83 0.02 7.25 4.05 0.02 57.83 06:25:01 4 28.05 0.00 7.54 0.40 0.02 63.98 06:25:01 5 27.40 0.00 6.99 0.94 0.02 64.65 06:25:01 6 28.34 0.00 6.52 0.84 0.00 64.30 06:25:01 7 30.49 0.00 7.19 0.82 0.02 61.48 06:26:01 all 8.29 0.00 2.34 2.30 0.01 87.06 06:26:01 0 4.85 0.00 1.60 0.35 0.00 93.20 06:26:01 1 18.34 0.00 2.88 2.46 0.02 76.30 06:26:01 2 5.22 0.00 2.11 2.14 0.02 90.51 06:26:01 3 10.33 0.00 2.73 3.60 0.02 83.32 06:26:01 4 6.94 0.00 1.99 1.55 0.02 89.51 06:26:01 5 7.73 0.00 2.24 2.00 0.02 88.01 06:26:01 6 7.66 0.00 2.65 2.92 0.02 86.75 06:26:01 7 5.23 0.00 2.54 3.40 0.00 88.84 Average: all 30.08 0.15 6.43 1.86 0.01 61.46 Average: 0 27.69 0.00 6.40 1.92 0.01 63.98 Average: 1 32.04 0.42 6.47 0.76 0.01 60.30 Average: 2 31.96 0.00 6.75 2.00 0.01 59.28 Average: 3 31.71 0.80 6.43 3.19 0.01 57.85 Average: 4 29.60 0.00 6.53 1.62 0.02 62.22 Average: 5 28.91 0.00 6.08 1.45 0.01 63.55 Average: 6 29.59 0.00 6.40 1.51 0.02 62.48 Average: 7 29.13 0.00 6.41 2.39 0.01 62.06