---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6226 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/5b34741d17efd312eca9a4f38b75b01987a10c25ad1c98d196175f4aad9eee0c/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/845a0d07ad959134fff7f48bbdd981797e3c7295f44f52fe4bc98ea74e319667/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/d5dba7818cc3ddca2d1f2af7b4b4739826963b233076a0a9141540a0b3ac4fa5/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/70b873c7d2311615a276fda4c5f51ab3f9771084bd83dca0321f20ccd840c1b6/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/36d1053b579d8bdb83e7cb40b669b331431f28529cd53635e7ebf73b6c570949/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1542 24158 1 6466 30168 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:27:ba:af brd ff:ff:ff:ff:ff:ff inet 10.30.106.182/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86067sec preferred_lft 86067sec inet6 fe80::f816:3eff:fe27:baaf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:52:c7:05:1d 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::42:52ff:fec7:51d/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether ba:bd:b2:1d:3a:a9 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::b8bd:b2ff:fe1d:3aa9/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 9a:19:5a:25:ef:1d 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::9819:5aff:fe25:ef1d/64 scope link valid_lft forever preferred_lft forever 8: vethba8109b4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether be:b1:e7:fc:3e:b0 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::bcb1:e7ff:fefc:3eb0/64 scope link valid_lft forever preferred_lft forever 9: veth1f9f47f1@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 5a:12:cf:02:3d:7d brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::5812:cfff:fe02:3d7d/64 scope link valid_lft forever preferred_lft forever 10: vethd8d1f7d4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ce:4b:37:ae:9e:76 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::cc4b:37ff:feae:9e76/64 scope link valid_lft forever preferred_lft forever 11: veth78ab6e60@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether e6:3e:1a:a0:a6:26 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::e43e:1aff:fea0:a626/64 scope link valid_lft forever preferred_lft forever 12: veth7f976055@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 9a:53:56:f0:70:3f brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::9853:56ff:fef0:703f/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-6226) 10/29/26 _x86_64_ (8 CPU) 13:28:59 LINUX RESTART (8 CPU) 13:29:01 tps rtps wtps bread/s bwrtn/s 13:30:01 374.56 107.23 267.33 6329.76 127258.91 13:31:01 414.11 41.41 372.70 2186.04 171514.61 13:32:01 82.32 0.00 82.32 0.00 27670.45 13:33:01 200.68 3.75 196.93 518.45 97560.67 13:34:01 92.58 20.41 72.17 764.67 7135.34 Average: 232.86 34.56 198.29 1959.93 86229.37 13:29:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:01 29771272 31614688 3167948 9.62 45456 2112120 1563608 4.75 1177120 1701236 586876 13:31:01 25684580 30834456 7254640 22.02 119624 5127216 3379836 10.26 2729472 3922544 772312 13:32:01 24865456 31025052 8073764 24.51 121732 6096592 2879016 8.74 3044968 4388576 1016760 13:33:01 25331704 30952936 7607516 23.10 127492 5650140 3342128 10.15 2429676 4623780 4 13:34:01 24871372 30859112 8067848 24.49 139256 5969660 3343568 10.15 2560552 4917788 206308 Average: 26104877 31057249 6834343 20.75 110712 4991146 2901631 8.81 2388358 3910785 516452 13:29:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:01 lo 4.43 4.43 0.62 0.62 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 ens3 418.51 307.38 2477.69 77.58 0.00 0.00 0.00 0.00 13:31:01 veth1f9f47f1 6.93 8.73 2.18 2.35 0.00 0.00 0.00 0.00 13:31:01 veth78ab6e60 0.15 0.48 0.01 0.04 0.00 0.00 0.00 0.00 13:31:01 lo 219.80 219.80 171.06 171.06 0.00 0.00 0.00 0.00 13:31:01 docker0 161.22 245.29 11.30 1500.04 0.00 0.00 0.00 0.00 13:32:01 veth1f9f47f1 6.90 8.22 2.08 0.96 0.00 0.00 0.00 0.00 13:32:01 veth78ab6e60 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 13:32:01 lo 12.40 12.40 3.72 3.72 0.00 0.00 0.00 0.00 13:32:01 docker0 0.63 0.65 0.05 0.44 0.00 0.00 0.00 0.00 13:33:01 veth1f9f47f1 7.35 8.67 2.14 1.08 0.00 0.00 0.00 0.00 13:33:01 veth78ab6e60 0.02 0.18 0.00 0.01 0.00 0.00 0.00 0.00 13:33:01 lo 39.94 39.94 14.51 14.51 0.00 0.00 0.00 0.00 13:33:01 vethc9be4d20 0.12 0.18 0.01 0.02 0.00 0.00 0.00 0.00 13:34:01 veth1f9f47f1 7.32 8.32 2.15 1.10 0.00 0.00 0.00 0.00 13:34:01 veth78ab6e60 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:34:01 lo 23.35 23.35 7.58 7.58 0.00 0.00 0.00 0.00 13:34:01 docker0 161.94 246.06 11.35 1500.49 0.00 0.00 0.00 0.00 Average: veth1f9f47f1 5.70 6.79 1.71 1.10 0.00 0.00 0.00 0.00 Average: veth78ab6e60 0.04 0.15 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 59.98 59.98 39.50 39.50 0.00 0.00 0.00 0.00 Average: docker0 32.39 49.21 2.27 300.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6226) 10/29/26 _x86_64_ (8 CPU) 13:28:59 LINUX RESTART (8 CPU) 13:29:01 CPU %user %nice %system %iowait %steal %idle 13:30:01 all 7.13 0.81 1.93 3.48 0.01 86.65 13:30:01 0 13.29 3.49 3.79 9.10 0.02 70.31 13:30:01 1 6.08 0.00 1.24 5.18 0.00 87.50 13:30:01 2 5.41 0.00 1.69 3.23 0.00 89.67 13:30:01 3 5.20 0.03 1.89 0.89 0.00 91.99 13:30:01 4 7.46 0.00 1.61 2.54 0.00 88.39 13:30:01 5 4.51 1.46 1.67 0.57 0.02 91.78 13:30:01 6 6.85 1.47 1.77 2.84 0.00 87.07 13:30:01 7 8.21 0.00 1.77 3.50 0.00 86.52 13:31:01 all 38.84 0.00 7.89 2.20 0.02 51.06 13:31:01 0 39.52 0.00 7.69 2.17 0.02 50.60 13:31:01 1 38.85 0.00 8.20 1.34 0.03 51.58 13:31:01 2 37.39 0.00 8.48 4.67 0.02 49.44 13:31:01 3 39.33 0.00 8.18 5.09 0.02 47.39 13:31:01 4 38.34 0.00 7.88 1.15 0.02 52.61 13:31:01 5 39.08 0.00 7.75 1.18 0.02 51.96 13:31:01 6 39.27 0.00 7.49 0.88 0.02 52.34 13:31:01 7 38.94 0.00 7.44 1.08 0.03 52.51 13:32:01 all 53.91 0.00 7.47 0.21 0.02 38.39 13:32:01 0 55.42 0.00 7.96 0.99 0.02 35.61 13:32:01 1 59.20 0.00 7.89 0.00 0.05 32.86 13:32:01 2 50.82 0.00 7.43 0.07 0.02 41.67 13:32:01 3 53.30 0.00 7.36 0.57 0.03 38.73 13:32:01 4 52.34 0.00 7.27 0.00 0.02 40.37 13:32:01 5 53.34 0.00 7.19 0.02 0.03 39.41 13:32:01 6 53.81 0.00 7.10 0.02 0.02 39.06 13:32:01 7 52.98 0.00 7.54 0.00 0.02 39.46 13:33:01 all 9.44 0.20 4.13 1.20 0.01 85.03 13:33:01 0 10.74 0.00 3.83 0.20 0.02 85.22 13:33:01 1 12.10 0.00 4.79 1.95 0.02 81.15 13:33:01 2 6.86 0.00 4.30 1.16 0.03 87.65 13:33:01 3 6.02 0.00 3.26 1.33 0.00 89.39 13:33:01 4 15.60 1.56 5.62 0.20 0.02 77.00 13:33:01 5 8.00 0.00 2.82 0.28 0.00 88.89 13:33:01 6 8.57 0.00 4.17 4.13 0.00 83.14 13:33:01 7 7.65 0.00 4.22 0.34 0.02 87.78 13:34:01 all 10.90 0.00 1.41 0.60 0.01 87.08 13:34:01 0 13.03 0.00 1.85 1.74 0.00 83.38 13:34:01 1 5.88 0.00 1.15 0.40 0.00 92.57 13:34:01 2 35.01 0.00 2.22 1.34 0.02 61.42 13:34:01 3 6.78 0.00 1.49 0.25 0.02 91.47 13:34:01 4 3.56 0.00 0.95 0.02 0.00 95.48 13:34:01 5 5.14 0.00 1.04 0.28 0.00 93.53 13:34:01 6 10.65 0.00 1.12 0.69 0.02 87.53 13:34:01 7 7.09 0.00 1.46 0.07 0.02 91.37 Average: all 24.00 0.20 4.56 1.54 0.02 69.69 Average: 0 26.35 0.70 5.02 2.84 0.01 65.08 Average: 1 24.40 0.00 4.65 1.77 0.02 69.16 Average: 2 27.06 0.00 4.81 2.09 0.02 66.02 Average: 3 22.10 0.01 4.43 1.62 0.01 71.84 Average: 4 23.41 0.31 4.66 0.78 0.01 70.82 Average: 5 21.95 0.29 4.09 0.47 0.01 73.19 Average: 6 23.80 0.30 4.32 1.71 0.01 69.86 Average: 7 22.94 0.00 4.48 1.00 0.02 71.57