---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6307 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/e7fee02fcd56da48d3352ed77c88827159faa621cddd0ef421bbd3db747b203d/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/adbea2da03c9a114ef3aba0025c38b426c7671f94964af43293fc191d2ac3e40/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/3e42dd7550b0e6d92e4d7f67791ba47a2bdf32b13616e8615578a31c56cda5ad/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/206bad9e3b260a5162195d8bdad9d171ddb9b4a390a55b6b78db5898798d7bab/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/df6d6426f737a4519557ef92a02be58ad754c9fe4d29915ede26cc2c14a62059/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:4c:88:99 brd ff:ff:ff:ff:ff:ff inet 10.30.107.49/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86071sec preferred_lft 86071sec inet6 fe80::f816:3eff:fe4c:8899/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f6:85:3f:c6 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:f6ff:fe85:3fc6/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 4e:99:33:48:af:9f 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::4c99:33ff:fe48:af9f/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 52:4f:37:07:06:9f 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::504f:37ff:fe07:69f/64 scope link valid_lft forever preferred_lft forever 6: vethef40693d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 7e:76:8b:c0:fe:9e brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::7c76:8bff:fec0:fe9e/64 scope link valid_lft forever preferred_lft forever 7: vethb5679e49@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether be:76:26:b4:96:a2 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::bc76:26ff:feb4:96a2/64 scope link valid_lft forever preferred_lft forever 9: veth85447944@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 5a:d9:9f:a4:f9:e4 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::58d9:9fff:fea4:f9e4/64 scope link valid_lft forever preferred_lft forever 13: veth2343583f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 12:db:b4:ff:fd:7d brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::10db:b4ff:feff:fd7d/64 scope link valid_lft forever preferred_lft forever 14: vethd42cbe02@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ee:39:ce:3e:69:8a brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::ec39:ceff:fe3e:698a/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-6307) 10/29/26 _x86_64_ (8 CPU) 17:06:34 LINUX RESTART (8 CPU) 17:07:01 tps rtps wtps bread/s bwrtn/s 17:08:01 575.84 102.12 473.72 4776.27 130280.69 17:09:01 143.41 0.28 143.13 2.27 78311.08 17:10:01 165.06 3.50 161.56 485.12 124942.11 17:11:01 121.23 20.30 100.93 745.88 51432.23 Average: 251.38 31.55 219.83 1502.38 96241.53 17:07:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:08:01 27191128 31088720 5748092 17.45 106932 3952148 2674524 8.12 1971440 3243104 156476 17:09:01 25625444 30978100 7313776 22.20 125480 5297128 2865700 8.70 2728644 3954988 526648 17:10:01 26133484 31056328 6805736 20.66 131540 4965584 2875268 8.73 2264464 4015664 340824 17:11:01 25100208 30875860 7839012 23.80 145000 5762816 3424136 10.40 2571796 4691320 104748 Average: 26012566 30999752 6926654 21.03 127238 4994419 2959907 8.99 2384086 3976269 282174 17:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:08:01 veth85447944 1.35 2.03 0.15 0.48 0.00 0.00 0.00 0.00 17:08:01 docker0 76.12 113.91 6.55 1320.72 0.00 0.00 0.00 0.00 17:08:01 vethef40693d 0.50 1.43 0.09 0.21 0.00 0.00 0.00 0.00 17:08:01 cni0 27.73 26.30 18.46 89.29 0.00 0.00 0.75 0.00 17:09:01 veth85447944 2.72 3.15 0.25 0.36 0.00 0.00 0.00 0.00 17:09:01 docker0 20.18 29.88 1.77 173.02 0.00 0.00 0.00 0.00 17:09:01 vethef40693d 0.15 0.33 0.01 0.03 0.00 0.00 0.00 0.00 17:09:01 cni0 14.75 15.51 3.26 3.43 0.00 0.00 0.22 0.00 17:10:01 veth85447944 3.07 3.32 0.28 0.29 0.00 0.00 0.00 0.00 17:10:01 docker0 0.07 0.12 0.00 0.01 0.00 0.00 0.00 0.00 17:10:01 vethef40693d 0.13 0.18 0.01 0.02 0.00 0.00 0.00 0.00 17:10:01 cni0 11.81 13.23 2.39 1.47 0.00 0.00 0.08 0.00 17:11:01 veth85447944 3.17 3.50 0.29 0.40 0.00 0.00 0.00 0.00 17:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:11:01 vethef40693d 0.12 0.22 0.01 0.03 0.00 0.00 0.00 0.00 17:11:01 cni0 12.26 13.78 2.43 2.00 0.00 0.00 0.12 0.00 Average: veth85447944 2.57 3.00 0.24 0.38 0.00 0.00 0.00 0.00 Average: docker0 24.09 35.98 2.08 373.44 0.00 0.00 0.00 0.00 Average: vethef40693d 0.22 0.54 0.03 0.07 0.00 0.00 0.00 0.00 Average: cni0 16.64 17.21 6.63 24.05 0.00 0.00 0.29 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6307) 10/29/26 _x86_64_ (8 CPU) 17:06:34 LINUX RESTART (8 CPU) 17:07:01 CPU %user %nice %system %iowait %steal %idle 17:08:01 all 16.36 0.59 5.14 4.76 0.03 73.13 17:08:01 0 15.68 0.00 4.97 1.45 0.02 77.89 17:08:01 1 19.20 0.00 4.47 1.79 0.03 74.51 17:08:01 2 16.19 0.00 4.98 7.77 0.03 71.04 17:08:01 3 15.93 3.02 5.09 3.66 0.02 72.28 17:08:01 4 13.99 0.00 6.17 5.65 0.02 74.17 17:08:01 5 20.82 0.00 4.88 6.64 0.03 67.62 17:08:01 6 15.16 0.00 5.71 9.90 0.05 69.18 17:08:01 7 13.90 1.64 4.83 1.18 0.03 78.42 17:09:01 all 46.81 0.00 6.20 1.39 0.03 45.57 17:09:01 0 44.64 0.00 5.88 0.79 0.02 48.68 17:09:01 1 47.84 0.00 6.29 0.94 0.03 44.90 17:09:01 2 47.44 0.00 5.79 2.10 0.02 44.65 17:09:01 3 45.33 0.00 6.08 1.83 0.03 46.73 17:09:01 4 48.07 0.00 6.28 2.12 0.03 43.51 17:09:01 5 49.99 0.00 6.83 0.99 0.03 42.15 17:09:01 6 46.04 0.00 6.66 1.44 0.02 45.85 17:09:01 7 45.18 0.00 5.78 0.93 0.02 48.11 17:10:01 all 40.44 0.21 7.58 1.70 0.03 50.05 17:10:01 0 41.02 0.00 7.27 2.62 0.03 49.06 17:10:01 1 41.29 1.66 7.50 0.25 0.03 49.26 17:10:01 2 39.84 0.00 8.72 5.28 0.03 46.12 17:10:01 3 39.70 0.00 7.09 0.52 0.02 52.67 17:10:01 4 40.42 0.00 7.87 0.07 0.03 51.61 17:10:01 5 39.51 0.00 7.46 0.18 0.02 52.82 17:10:01 6 39.39 0.00 7.17 3.66 0.02 49.76 17:10:01 7 42.32 0.00 7.57 0.96 0.03 49.13 17:11:01 all 8.36 0.00 2.18 1.09 0.02 88.36 17:11:01 0 5.71 0.00 2.08 0.07 0.00 92.14 17:11:01 1 11.32 0.00 2.14 2.76 0.02 83.76 17:11:01 2 7.54 0.00 2.15 0.62 0.02 89.67 17:11:01 3 5.13 0.00 2.01 0.79 0.02 92.05 17:11:01 4 12.82 0.00 3.38 0.35 0.02 83.43 17:11:01 5 6.22 0.00 2.10 2.13 0.03 89.52 17:11:01 6 7.18 0.00 1.61 0.29 0.02 90.90 17:11:01 7 10.95 0.00 1.93 1.69 0.00 85.42 Average: all 27.98 0.20 5.27 2.23 0.02 64.29 Average: 0 26.74 0.00 5.05 1.23 0.02 66.97 Average: 1 29.89 0.41 5.10 1.44 0.03 63.13 Average: 2 27.75 0.00 5.41 3.94 0.03 62.87 Average: 3 26.51 0.76 5.07 1.70 0.02 65.94 Average: 4 28.82 0.00 5.92 2.05 0.03 63.18 Average: 5 29.11 0.00 5.32 2.49 0.03 63.06 Average: 6 26.93 0.00 5.29 3.82 0.03 63.94 Average: 7 28.09 0.41 5.02 1.19 0.02 65.27