---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46481 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 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/c7389c2c1ceb8be4f1f21a0c8deab01a6116ded22313bd2f7671a8301194829a/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/be900ae783f52720bec1f183363e674ca9373bf89d088f7055a5772fc929577a/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/37a3d0df48b1d499e4a69a1368950e136ee5379c9febecd26a8e2de8584c3db0/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/779cce6d92d7afc74c2b13bb2f50b76f92eb31c05096dd622f5a728a14dbc5cf/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/8807082a667619c21929bce7c23695d1fa3198245ff6b099107ab4003ad4e246/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1548 24277 1 6341 30162 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:67:d0:95 brd ff:ff:ff:ff:ff:ff inet 10.30.106.175/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85961sec preferred_lft 85961sec inet6 fe80::f816:3eff:fe67:d095/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6e:74:aa:00 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::42:6eff:fe74:aa00/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 6e:e0:03:8c:3a:ee 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::6ce0:3ff:fe8c:3aee/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 3a:72:b8:f9:3b:9a 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::3872:b8ff:fef9:3b9a/64 scope link valid_lft forever preferred_lft forever 7: vethab335f0f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 42:dc:af:e4:b6:98 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::40dc:afff:fee4:b698/64 scope link valid_lft forever preferred_lft forever 9: veth157fb7f4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 92:60:67:a5:6f:29 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::9060:67ff:fea5:6f29/64 scope link valid_lft forever preferred_lft forever 10: veth5fe7308e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 12:51:9d:bc:cf:2c brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::1051:9dff:febc:cf2c/64 scope link valid_lft forever preferred_lft forever 13: vethefdb92b4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether a2:77:46:7b:70:49 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::a077:46ff:fe7b:7049/64 scope link valid_lft forever preferred_lft forever 14: vethf751402a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 5a:f1:74:16:ac:c4 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::58f1:74ff:fe16:acc4/64 scope link valid_lft forever preferred_lft forever 19: br-eb01e46acf24: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:95:5b:13:a3 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-eb01e46acf24 valid_lft forever preferred_lft forever inet6 fe80::42:95ff:fe5b:13a3/64 scope link valid_lft forever preferred_lft forever 23: vethb4cf4f1@if22: mtu 1500 qdisc noqueue master br-eb01e46acf24 state UP group default link/ether f2:39:f1:73:ff:70 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::f039:f1ff:fe73:ff70/64 scope link valid_lft forever preferred_lft forever 25: veth572ed4b@if24: mtu 1500 qdisc noqueue master br-eb01e46acf24 state UP group default link/ether 56:34:98:b3:3f:7d brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::5434:98ff:feb3:3f7d/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-46481) 09/17/25 _x86_64_ (8 CPU) 10:57:01 LINUX RESTART (8 CPU) 10:58:01 tps rtps wtps bread/s bwrtn/s 10:59:01 253.26 45.18 208.08 2587.17 103197.60 11:00:01 319.95 3.40 316.55 357.54 84997.03 11:01:01 104.18 3.22 100.97 432.92 84606.06 11:02:01 144.38 0.62 143.76 111.18 77619.46 11:03:01 52.16 19.82 32.33 686.06 2307.25 11:04:01 113.88 0.70 113.18 92.24 13867.11 Average: 164.62 12.15 152.47 711.16 61095.16 10:58:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:59:01 27644992 31097548 5294228 16.07 78012 3635372 2534960 7.70 1895324 2961472 87884 11:00:01 25387008 30295408 7552212 22.93 129880 4866880 3611320 10.96 2987964 3956716 343156 11:01:01 26347308 30965976 6591912 20.01 131408 4691924 2641316 8.02 2319740 3776640 47344 11:02:01 25276928 30905244 7662292 23.26 136140 5651428 3910484 11.87 2548868 4563104 696 11:03:01 25118640 30846864 7820580 23.74 142084 5734140 3951740 12.00 2715360 4542172 54632 11:04:01 24861604 30877488 8077616 24.52 148256 5984316 3949416 11.99 2726132 4755092 89744 Average: 25772747 30831421 7166473 21.76 127630 5094010 3433206 10.42 2532231 4092533 103909 10:58:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:59:01 vethf292ac56 1.68 2.27 0.26 4.33 0.00 0.00 0.00 0.00 10:59:01 lo 212.40 212.40 218.11 218.11 0.00 0.00 0.00 0.00 10:59:01 vethf7d0f61f 15.48 12.98 23.34 33.21 0.00 0.00 0.00 0.00 10:59:01 vethab335f0f 1.47 1.97 0.16 0.41 0.00 0.00 0.00 0.00 11:00:01 lo 50.96 50.96 63.74 63.74 0.00 0.00 0.00 0.00 11:00:01 vethf751402a 4.32 3.73 0.78 1.99 0.00 0.00 0.00 0.00 11:00:01 vethab335f0f 2.77 3.43 0.25 0.44 0.00 0.00 0.00 0.00 11:00:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:01:01 lo 13.85 13.85 4.10 4.10 0.00 0.00 0.00 0.00 11:01:01 vethf751402a 1.38 1.47 0.11 0.18 0.00 0.00 0.00 0.00 11:01:01 vethab335f0f 3.08 3.25 0.28 0.28 0.00 0.00 0.00 0.00 11:01:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:02:01 lo 15.11 15.11 4.38 4.38 0.00 0.00 0.00 0.00 11:02:01 vethb4cf4f1 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 11:02:01 br-eb01e46acf24 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 11:02:01 vethf751402a 1.35 1.48 0.11 0.18 0.00 0.00 0.00 0.00 11:03:01 lo 14.26 14.26 4.14 4.14 0.00 0.00 0.00 0.00 11:03:01 vethb4cf4f1 3.80 3.83 0.20 0.27 0.00 0.00 0.00 0.00 11:03:01 br-eb01e46acf24 3.80 3.80 0.15 0.27 0.00 0.00 0.00 0.00 11:03:01 vethf751402a 1.33 1.48 0.11 0.18 0.00 0.00 0.00 0.00 11:04:01 lo 15.44 15.44 4.36 4.36 0.00 0.00 0.00 0.00 11:04:01 vethb4cf4f1 3.60 3.62 0.19 0.26 0.00 0.00 0.00 0.00 11:04:01 br-eb01e46acf24 3.60 3.60 0.14 0.26 0.00 0.00 0.00 0.00 11:04:01 vethf751402a 1.37 1.47 0.11 0.18 0.00 0.00 0.00 0.00 Average: lo 53.67 53.67 49.80 49.80 0.00 0.00 0.00 0.00 Average: vethb4cf4f1 1.23 1.26 0.06 0.09 0.00 0.00 0.00 0.00 Average: br-eb01e46acf24 1.23 1.25 0.05 0.09 0.00 0.00 0.00 0.00 Average: vethf751402a 1.62 1.61 0.20 0.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46481) 09/17/25 _x86_64_ (8 CPU) 10:57:01 LINUX RESTART (8 CPU) 10:58:01 CPU %user %nice %system %iowait %steal %idle 10:59:01 all 11.11 0.00 4.51 8.72 0.09 75.56 10:59:01 0 9.21 0.00 4.02 3.31 0.07 83.40 10:59:01 1 12.27 0.00 4.71 18.86 0.10 64.06 10:59:01 2 11.29 0.00 4.11 3.45 0.08 81.06 10:59:01 3 9.94 0.00 5.02 9.42 0.10 75.52 10:59:01 4 12.54 0.00 4.35 9.48 0.08 73.54 10:59:01 5 13.35 0.00 4.82 4.10 0.10 77.63 10:59:01 6 10.89 0.00 4.17 16.21 0.08 68.65 10:59:01 7 9.47 0.00 4.87 4.99 0.10 80.57 11:00:01 all 37.31 0.00 5.77 6.01 0.11 50.79 11:00:01 0 44.04 0.00 5.86 4.39 0.12 45.59 11:00:01 1 39.12 0.00 6.03 3.01 0.10 51.74 11:00:01 2 35.10 0.00 5.79 1.82 0.10 57.19 11:00:01 3 37.95 0.00 6.62 13.40 0.10 41.92 11:00:01 4 36.42 0.00 5.50 2.98 0.10 55.00 11:00:01 5 36.78 0.00 5.32 2.62 0.10 55.18 11:00:01 6 35.59 0.00 5.62 6.27 0.10 52.42 11:00:01 7 33.45 0.00 5.47 13.67 0.17 47.24 11:01:01 all 30.83 0.26 4.72 6.23 0.09 57.87 11:01:01 0 29.57 0.00 5.49 0.44 0.08 64.42 11:01:01 1 32.31 0.00 4.91 8.64 0.10 54.04 11:01:01 2 29.82 0.00 4.46 0.03 0.10 65.59 11:01:01 3 30.18 0.00 4.37 0.05 0.10 65.30 11:01:01 4 30.54 0.00 4.22 0.71 0.10 64.43 11:01:01 5 37.03 2.02 5.16 6.53 0.10 49.16 11:01:01 6 28.35 0.00 4.66 18.12 0.10 48.76 11:01:01 7 28.85 0.00 4.44 15.38 0.07 51.26 11:02:01 all 5.09 0.00 2.32 6.41 0.06 86.12 11:02:01 0 4.21 0.00 2.12 1.53 0.07 92.07 11:02:01 1 6.16 0.00 2.00 11.55 0.07 80.23 11:02:01 2 9.73 0.00 2.43 0.32 0.05 87.46 11:02:01 3 4.77 0.00 2.07 0.10 0.05 93.01 11:02:01 4 4.04 0.00 1.80 0.59 0.05 93.52 11:02:01 5 2.93 0.00 3.00 3.19 0.05 90.82 11:02:01 6 4.23 0.00 2.41 21.33 0.05 71.98 11:02:01 7 4.56 0.00 2.74 12.68 0.08 79.93 11:03:01 all 5.05 0.00 0.95 0.93 0.07 93.01 11:03:01 0 5.63 0.00 1.07 3.34 0.07 89.89 11:03:01 1 2.74 0.00 0.94 0.02 0.08 96.22 11:03:01 2 2.92 0.00 0.74 0.35 0.07 95.93 11:03:01 3 4.58 0.00 0.92 1.42 0.05 93.04 11:03:01 4 6.65 0.00 1.19 0.65 0.07 91.44 11:03:01 5 5.11 0.00 0.85 0.22 0.05 93.77 11:03:01 6 5.31 0.00 0.90 0.97 0.12 92.70 11:03:01 7 7.47 0.00 0.97 0.45 0.07 91.04 11:04:01 all 10.13 0.00 1.22 3.10 0.08 85.47 11:04:01 0 6.82 0.00 1.39 8.04 0.07 83.68 11:04:01 1 13.54 0.00 1.33 0.18 0.08 84.87 11:04:01 2 15.81 0.00 1.39 4.09 0.08 78.62 11:04:01 3 2.82 0.00 0.82 1.62 0.05 94.69 11:04:01 4 20.55 0.00 1.27 2.16 0.07 75.95 11:04:01 5 6.06 0.00 1.07 3.22 0.08 89.55 11:04:01 6 5.86 0.00 1.02 3.30 0.08 89.74 11:04:01 7 9.57 0.00 1.49 2.16 0.05 86.73 Average: all 16.55 0.04 3.24 5.23 0.08 74.85 Average: 0 16.57 0.00 3.32 3.51 0.08 76.52 Average: 1 17.64 0.00 3.31 7.03 0.09 71.94 Average: 2 17.43 0.00 3.15 1.68 0.08 77.66 Average: 3 14.98 0.00 3.29 4.31 0.08 77.34 Average: 4 18.43 0.00 3.05 2.76 0.08 75.69 Average: 5 16.86 0.34 3.37 3.31 0.08 76.05 Average: 6 15.01 0.00 3.12 11.01 0.09 70.77 Average: 7 15.52 0.00 3.32 8.20 0.09 72.88