---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-3268 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/ed6d7640ce24e84481b3e8285b19d34290d8bebee2337be7931485ce61c60836/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/5b6fe3d1595c38f45a1d7668667d52b081dd6e7a522d01ba7ff55e0101f370fe/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/d815b38852e29fe52c9ae16a1f927d87a4e15011f2fc2e0d206f09273c7df424/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/0e43e56e0e85e3c795e7d8e74edebcf697764cb62947a0d7792e5a8dcf2a1459/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/1d2e0a673f1b4ef8002b4b676e45bde4b7eb503e18c0deec257c544d37a58f9e/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1523 24217 1 6427 30187 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:0b:03:6d brd ff:ff:ff:ff:ff:ff inet 10.30.107.85/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86057sec preferred_lft 86057sec inet6 fe80::f816:3eff:fe0b:36d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:11:f5:46:bb 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::42:11ff:fef5:46bb/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether d2:72:22:af:82:1b 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::d072:22ff:feaf:821b/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 92:bc:67:81:d1:a0 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::90bc:67ff:fe81:d1a0/64 scope link valid_lft forever preferred_lft forever 8: vethce090082@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 9a:cc:78:e4:59:8f brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::98cc:78ff:fee4:598f/64 scope link valid_lft forever preferred_lft forever 9: veth81e1518b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether da:3e:9f:a6:73:b6 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::d83e:9fff:fea6:73b6/64 scope link valid_lft forever preferred_lft forever 10: veth716443ce@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 36:0a:94:93:e9:ee brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::340a:94ff:fe93:e9ee/64 scope link valid_lft forever preferred_lft forever 11: veth33b122a8@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 52:47:b8:55:70:d7 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::5047:b8ff:fe55:70d7/64 scope link valid_lft forever preferred_lft forever 12: veth2c22009d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 52:a2:76:25:49:6e brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::50a2:76ff:fe25:496e/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-3268) 11/02/26 _x86_64_ (8 CPU) 09:39:59 LINUX RESTART (8 CPU) 09:40:02 tps rtps wtps bread/s bwrtn/s 09:41:01 299.97 91.95 208.01 5572.08 78737.51 09:42:01 356.36 48.03 308.33 2946.58 127957.47 09:43:01 153.82 0.03 153.79 0.27 83373.17 09:44:01 185.27 3.45 181.82 470.05 141353.24 09:45:01 96.28 20.73 75.55 815.20 14065.26 Average: 218.07 32.64 185.43 1948.88 89131.63 09:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:41:01 30294428 31732484 2644784 8.03 44616 1712384 1628028 4.94 987612 1384484 221364 09:42:01 26112144 30846104 6827068 20.73 121460 4713152 3515832 10.67 2506724 3717968 850396 09:43:01 24635504 30713592 8303708 25.21 126020 6002572 3585188 10.88 3352476 4295224 945000 09:44:01 25613792 31010264 7325420 22.24 131372 5416216 3261488 9.90 2314596 4462080 624 09:45:01 25080124 30940768 7859088 23.86 142228 5837688 3405968 10.34 2500584 4769836 149940 Average: 26347198 31048642 6592014 20.01 113139 4736402 3079301 9.35 2332398 3725918 433465 09:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:41:01 lo 2.81 2.81 0.30 0.30 0.00 0.00 0.00 0.00 09:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:41:01 ens3 260.61 205.18 1362.51 75.24 0.00 0.00 0.00 0.00 09:42:01 vethce090082 2.58 3.53 0.27 0.70 0.00 0.00 0.00 0.00 09:42:01 vethd3fd821 174.60 274.99 15.37 1503.86 0.00 0.00 0.00 0.12 09:42:01 veth716443ce 6.22 7.93 1.98 2.29 0.00 0.00 0.00 0.00 09:42:01 lo 217.28 217.28 171.24 171.24 0.00 0.00 0.00 0.00 09:43:01 vethce090082 2.88 3.32 0.27 0.28 0.00 0.00 0.00 0.00 09:43:01 vethd3fd821 0.52 0.63 0.07 0.46 0.00 0.00 0.00 0.00 09:43:01 veth716443ce 6.88 7.90 2.03 0.93 0.00 0.00 0.00 0.00 09:43:01 lo 12.28 12.28 3.72 3.72 0.00 0.00 0.00 0.00 09:44:01 vethce090082 3.03 3.37 0.28 0.29 0.00 0.00 0.00 0.00 09:44:01 veth716443ce 7.17 8.25 2.13 0.98 0.00 0.00 0.00 0.00 09:44:01 lo 16.60 16.60 4.27 4.27 0.00 0.00 0.00 0.00 09:44:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:45:01 vethce090082 3.20 3.53 0.29 0.40 0.00 0.00 0.00 0.00 09:45:01 veth716443ce 7.28 8.57 2.15 1.19 0.00 0.00 0.00 0.00 09:45:01 lo 44.01 44.01 17.28 17.28 0.00 0.00 0.00 0.00 09:45:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethce090082 2.35 2.76 0.22 0.34 0.00 0.00 0.00 0.00 Average: veth716443ce 5.53 6.55 1.66 1.08 0.00 0.00 0.00 0.00 Average: lo 58.78 58.78 39.49 39.49 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 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3268) 11/02/26 _x86_64_ (8 CPU) 09:39:59 LINUX RESTART (8 CPU) 09:40:02 CPU %user %nice %system %iowait %steal %idle 09:41:01 all 6.57 0.61 1.73 4.55 0.01 86.54 09:41:01 0 6.45 0.00 1.22 0.83 0.00 91.49 09:41:01 1 5.70 2.87 1.90 6.18 0.00 83.35 09:41:01 2 8.64 0.00 1.41 13.61 0.00 76.34 09:41:01 3 9.04 0.02 1.38 1.11 0.00 88.45 09:41:01 4 3.96 0.41 1.26 1.31 0.00 93.06 09:41:01 5 4.75 1.55 1.66 5.74 0.00 86.30 09:41:01 6 9.37 0.00 2.66 3.31 0.00 84.66 09:41:01 7 4.63 0.00 2.35 4.30 0.00 88.72 09:42:01 all 27.09 0.00 7.04 3.32 0.01 62.53 09:42:01 0 26.20 0.00 6.47 0.76 0.02 66.55 09:42:01 1 26.54 0.00 7.05 2.10 0.02 64.28 09:42:01 2 30.48 0.00 6.67 1.55 0.02 61.28 09:42:01 3 26.96 0.00 7.59 4.44 0.02 61.00 09:42:01 4 28.71 0.00 6.97 5.92 0.02 58.39 09:42:01 5 25.76 0.00 7.66 7.85 0.02 58.71 09:42:01 6 25.63 0.00 6.93 2.95 0.02 64.47 09:42:01 7 26.47 0.00 6.98 1.00 0.02 65.53 09:43:01 all 53.98 0.00 7.43 0.51 0.02 38.06 09:43:01 0 51.13 0.00 6.82 0.03 0.02 42.00 09:43:01 1 52.12 0.00 6.77 0.17 0.02 40.93 09:43:01 2 60.33 0.00 7.23 0.02 0.03 32.39 09:43:01 3 56.16 0.00 7.36 0.00 0.03 36.45 09:43:01 4 52.12 0.00 7.41 0.08 0.03 40.35 09:43:01 5 54.46 0.00 8.13 0.47 0.02 36.92 09:43:01 6 51.64 0.00 8.37 1.85 0.02 38.13 09:43:01 7 53.92 0.00 7.35 1.46 0.00 37.27 09:44:01 all 20.16 0.49 5.40 2.11 0.01 71.82 09:44:01 0 20.60 0.57 5.94 5.02 0.03 67.83 09:44:01 1 18.81 0.00 5.39 0.54 0.00 75.26 09:44:01 2 18.33 0.00 5.13 0.98 0.02 75.55 09:44:01 3 19.72 0.00 6.07 0.34 0.02 73.86 09:44:01 4 22.65 1.91 5.12 3.72 0.00 66.60 09:44:01 5 19.32 1.40 4.46 0.10 0.02 74.71 09:44:01 6 18.63 0.00 5.73 3.68 0.02 71.94 09:44:01 7 23.25 0.00 5.33 2.56 0.02 68.85 09:45:01 all 9.56 0.00 1.69 0.61 0.01 88.13 09:45:01 0 4.44 0.00 1.41 0.42 0.00 93.73 09:45:01 1 5.41 0.00 1.51 0.42 0.00 92.66 09:45:01 2 14.41 0.00 1.65 0.72 0.00 83.22 09:45:01 3 17.46 0.00 1.76 0.20 0.02 80.56 09:45:01 4 14.78 0.00 1.83 0.32 0.02 83.06 09:45:01 5 8.53 0.00 2.07 0.99 0.00 88.41 09:45:01 6 3.92 0.00 1.65 0.03 0.00 94.40 09:45:01 7 7.48 0.00 1.61 1.78 0.00 89.13 Average: all 23.51 0.22 4.66 2.21 0.01 69.39 Average: 0 21.83 0.11 4.38 1.41 0.01 72.25 Average: 1 21.75 0.57 4.53 1.87 0.01 71.27 Average: 2 26.46 0.00 4.42 3.35 0.01 65.75 Average: 3 25.92 0.00 4.84 1.21 0.02 68.01 Average: 4 24.49 0.46 4.52 2.27 0.01 68.25 Average: 5 22.57 0.59 4.80 3.02 0.01 69.01 Average: 6 21.86 0.00 5.07 2.36 0.01 70.70 Average: 7 23.19 0.00 4.73 2.21 0.01 69.86