---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46441 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 2.1M 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 4.0K 3.2G 1% /run/user/1001 shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/6d6dc74bd2c03cc55bd976fdc059b880b16942ffa30a696f96cc937f5c80678b/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/7a112f95c3517a02659a6c0ded8e6dc81269f1f9d2daef2df8db054c354f0542/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/c1a0c49e94d330c07c10fc970dbf5489708c11a74d6ba6dfc382d0852912d227/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/569463ff49aee5db173510a832a5f6ec84bb5fada57301de362493c7d907c7ae/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/c191860279bdc72a79dcbae51ee796ca429c05bf083a7cf676f954609e9ef4a5/shm /dev/loop0 51M 51M 0 100% /snap/snapd/25202 /dev/loop1 67M 67M 0 100% /snap/core24/1151 /dev/loop2 20M 20M 0 100% /snap/helm/476 ---> free -m: total used free shared buff/cache available Mem: 32167 1608 23930 2 6627 30103 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:ca:1d:fd brd ff:ff:ff:ff:ff:ff inet 10.30.107.143/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86021sec preferred_lft 86021sec inet6 fe80::f816:3eff:feca:1dfd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e0:76:a4:00 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:e0ff:fe76:a400/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 12:ed:e7:83:c9:f7 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::10ed:e7ff:fe83:c9f7/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 26:cf:d8:b4:27:db 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::24cf:d8ff:feb4:27db/64 scope link valid_lft forever preferred_lft forever 6: veth689478d6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 36:ce:95:75:b9:e8 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::34ce:95ff:fe75:b9e8/64 scope link valid_lft forever preferred_lft forever 9: vethb4a37c66@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 22:32:a1:c4:27:11 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::2032:a1ff:fec4:2711/64 scope link valid_lft forever preferred_lft forever 10: vethae3d935b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ea:a5:3c:c5:4b:3e brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::e8a5:3cff:fec5:4b3e/64 scope link valid_lft forever preferred_lft forever 11: veth8c045c46@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether fa:c8:9d:3d:88:89 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::f8c8:9dff:fe3d:8889/64 scope link valid_lft forever preferred_lft forever 12: vethb91af239@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 46:59:ea:5f:6b:92 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::4459:eaff:fe5f:6b92/64 scope link valid_lft forever preferred_lft forever 19: br-311503c3b5a8: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:56:8c:37:72 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-311503c3b5a8 valid_lft forever preferred_lft forever inet6 fe80::42:56ff:fe8c:3772/64 scope link valid_lft forever preferred_lft forever 23: veth57473a7@if22: mtu 1500 qdisc noqueue master br-311503c3b5a8 state UP group default link/ether 12:ec:66:4e:7f:bb brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::10ec:66ff:fe4e:7fbb/64 scope link valid_lft forever preferred_lft forever 25: veth4b7d9da@if24: mtu 1500 qdisc noqueue master br-311503c3b5a8 state UP group default link/ether fa:01:1e:34:b6:3d brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::f801:1eff:fe34:b63d/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-46441) 09/17/25 _x86_64_ (8 CPU) 09:30:51 LINUX RESTART (8 CPU) 09:31:01 tps rtps wtps bread/s bwrtn/s 09:32:02 437.24 132.89 304.35 7983.87 146535.58 09:33:01 517.88 4.29 513.59 408.34 160767.73 09:34:01 173.92 3.40 170.52 457.92 82547.71 09:35:01 78.12 2.23 75.89 125.85 35865.36 09:36:01 42.69 20.01 22.68 688.95 1441.36 09:37:01 100.43 1.05 99.38 75.85 10543.18 Average: 224.23 27.38 196.86 1626.85 72705.58 09:31:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:32:02 29427180 31373672 3512040 10.66 50400 2201684 1900764 5.77 1565620 1631216 16960 09:33:01 25106656 30120576 7832564 23.78 129668 4970188 3840044 11.66 3202136 4018040 527620 09:34:01 25747916 31027580 7191304 21.83 133300 5326764 2948228 8.95 2302900 4370440 668408 09:35:01 25046260 30873652 7892960 23.96 149612 5827312 4331396 13.15 2622428 4701736 2056 09:36:01 24785368 30801452 8153852 24.75 179412 5974980 4197084 12.74 2851836 4718284 53688 09:37:01 24495716 30813424 8443504 25.63 186812 6234200 4202724 12.76 2853960 4971988 127560 Average: 25768183 30835059 7171037 21.77 138201 5089188 3570040 10.84 2566480 4068617 232715 09:31:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:32:02 lo 110.70 110.70 47.45 47.45 0.00 0.00 0.00 0.00 09:32:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:02 ens3 475.94 349.28 2750.97 79.65 0.00 0.00 0.00 0.00 09:33:01 vethae3d935b 3.19 4.05 0.32 0.77 0.00 0.00 0.00 0.00 09:33:01 lo 146.18 146.18 234.54 234.54 0.00 0.00 0.00 0.00 09:33:01 vethb4a37c66 0.58 1.42 0.10 0.20 0.00 0.00 0.00 0.00 09:33:01 docker0 124.42 132.82 10.02 1268.21 0.00 0.00 0.00 0.00 09:34:01 vethae3d935b 3.03 3.38 0.28 0.29 0.00 0.00 0.00 0.00 09:34:01 lo 14.80 14.80 4.23 4.23 0.00 0.00 0.00 0.00 09:34:01 vethb4a37c66 0.12 0.17 0.01 0.02 0.00 0.00 0.00 0.00 09:34:01 docker0 0.38 0.57 0.03 0.64 0.00 0.00 0.00 0.00 09:35:01 vethae3d935b 3.12 3.35 0.29 0.29 0.00 0.00 0.00 0.00 09:35:01 veth4b7d9da 0.13 0.32 0.01 0.02 0.00 0.00 0.00 0.00 09:35:01 br-311503c3b5a8 0.42 0.62 1.01 0.06 0.00 0.00 0.00 0.00 09:35:01 lo 15.38 15.38 4.37 4.37 0.00 0.00 0.00 0.00 09:36:01 vethae3d935b 3.07 3.17 0.28 0.28 0.00 0.00 0.00 0.00 09:36:01 veth4b7d9da 0.05 0.07 0.00 0.00 0.00 0.00 0.00 0.00 09:36:01 br-311503c3b5a8 0.73 0.87 0.17 0.26 0.00 0.00 0.00 0.00 09:36:01 lo 15.98 15.98 4.76 4.76 0.00 0.00 0.00 0.00 09:37:01 vethae3d935b 3.10 3.40 0.29 0.29 0.00 0.00 0.00 0.00 09:37:01 veth4b7d9da 0.07 0.08 0.00 0.00 0.00 0.00 0.00 0.00 09:37:01 br-311503c3b5a8 0.23 0.33 0.04 0.03 0.00 0.00 0.00 0.00 09:37:01 lo 14.21 14.21 4.22 4.22 0.00 0.00 0.00 0.00 Average: vethae3d935b 2.58 2.89 0.24 0.32 0.00 0.00 0.00 0.00 Average: veth4b7d9da 0.04 0.08 0.00 0.01 0.00 0.00 0.00 0.00 Average: br-311503c3b5a8 0.23 0.30 0.20 0.06 0.00 0.00 0.00 0.00 Average: lo 52.62 52.62 49.41 49.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46441) 09/17/25 _x86_64_ (8 CPU) 09:30:51 LINUX RESTART (8 CPU) 09:31:01 CPU %user %nice %system %iowait %steal %idle 09:32:02 all 8.81 0.82 2.44 2.50 0.05 85.37 09:32:02 0 7.04 1.59 1.72 4.12 0.03 85.49 09:32:02 1 9.91 0.03 2.00 0.74 0.07 87.25 09:32:02 2 13.45 0.00 2.87 1.24 0.05 82.38 09:32:02 3 6.86 0.00 2.42 1.80 0.05 88.87 09:32:02 4 5.58 0.00 3.15 1.54 0.05 89.68 09:32:02 5 11.38 1.64 3.21 4.18 0.05 79.53 09:32:02 6 7.49 0.08 1.56 1.58 0.05 89.24 09:32:02 7 8.82 3.23 2.57 4.86 0.07 80.46 09:33:01 all 39.24 0.00 7.44 3.03 0.09 50.20 09:33:01 0 37.74 0.00 6.83 3.99 0.09 51.36 09:33:01 1 42.86 0.00 6.89 0.76 0.10 49.40 09:33:01 2 41.13 0.00 7.78 1.56 0.10 49.44 09:33:01 3 38.88 0.00 6.96 2.40 0.09 51.67 09:33:01 4 36.76 0.00 8.81 4.23 0.12 50.09 09:33:01 5 37.99 0.00 7.52 3.34 0.10 51.04 09:33:01 6 40.74 0.00 7.07 1.57 0.09 50.53 09:33:01 7 37.77 0.00 7.72 6.41 0.10 48.00 09:34:01 all 32.63 0.21 5.73 1.00 0.08 60.35 09:34:01 0 31.19 1.68 5.43 1.01 0.08 60.61 09:34:01 1 34.93 0.00 5.12 0.05 0.08 59.82 09:34:01 2 35.25 0.00 6.98 1.06 0.07 56.65 09:34:01 3 31.02 0.00 5.67 1.55 0.07 61.69 09:34:01 4 34.17 0.00 5.08 0.37 0.07 60.31 09:34:01 5 30.55 0.00 5.77 0.69 0.08 62.90 09:34:01 6 29.24 0.00 6.32 2.86 0.07 61.51 09:34:01 7 34.70 0.00 5.47 0.36 0.07 59.41 09:35:01 all 3.89 0.00 1.99 0.56 0.06 93.51 09:35:01 0 2.49 0.00 1.84 0.69 0.05 94.93 09:35:01 1 3.94 0.00 1.44 0.40 0.05 94.16 09:35:01 2 3.31 0.00 1.66 0.27 0.08 94.68 09:35:01 3 4.54 0.00 3.22 0.74 0.07 91.43 09:35:01 4 5.16 0.00 2.02 0.08 0.08 92.66 09:35:01 5 4.64 0.00 1.78 0.05 0.08 93.45 09:35:01 6 4.13 0.00 2.45 2.18 0.07 91.17 09:35:01 7 2.84 0.00 1.43 0.05 0.05 95.63 09:36:01 all 4.15 0.00 0.95 0.16 0.06 94.68 09:36:01 0 1.51 0.00 0.62 0.03 0.03 97.81 09:36:01 1 12.41 0.00 1.19 0.20 0.08 86.12 09:36:01 2 3.21 0.00 0.89 0.07 0.08 95.75 09:36:01 3 2.90 0.00 0.80 0.74 0.07 95.50 09:36:01 4 2.51 0.00 0.65 0.03 0.07 96.74 09:36:01 5 4.73 0.00 1.70 0.05 0.05 93.47 09:36:01 6 2.63 0.00 1.04 0.12 0.05 96.17 09:36:01 7 3.29 0.00 0.77 0.07 0.07 95.80 09:37:01 all 11.30 0.00 1.08 0.45 0.07 87.11 09:37:01 0 17.55 0.00 1.67 0.54 0.08 80.15 09:37:01 1 16.65 0.00 1.37 0.49 0.08 81.40 09:37:01 2 4.58 0.00 0.92 0.17 0.08 94.24 09:37:01 3 7.00 0.00 1.15 1.37 0.08 90.39 09:37:01 4 11.50 0.00 0.94 0.13 0.05 87.38 09:37:01 5 3.70 0.00 0.50 0.02 0.02 95.76 09:37:01 6 16.24 0.00 1.08 0.07 0.08 82.52 09:37:01 7 13.19 0.00 0.99 0.80 0.07 84.95 Average: all 16.55 0.17 3.25 1.28 0.07 78.68 Average: 0 16.18 0.55 3.01 1.72 0.06 78.49 Average: 1 20.01 0.01 2.98 0.44 0.08 76.49 Average: 2 16.73 0.00 3.50 0.72 0.08 78.97 Average: 3 15.05 0.00 3.35 1.43 0.07 80.10 Average: 4 15.82 0.00 3.41 1.05 0.07 79.65 Average: 5 15.35 0.27 3.39 1.38 0.06 79.54 Average: 6 16.64 0.01 3.23 1.39 0.07 78.66 Average: 7 16.66 0.54 3.13 2.07 0.07 77.52