---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46784 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: 2799.996 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/1f2df930857c555d0e6bb3b7a4e100a40e73ca0cf1242f135b27d6d3a7278a34/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/6bc3a02506c6be19cf4921d30f4484b54f23cf70c4da40d37ed3103abeff176b/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/cbb06abc53facef4fbeb55f01fc9a0f9841b640ec26a809cdda65ee220858966/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/0fd45a8baaa7fe99583eee515bc72f3b25388502194930994c9bb3f62f7c7a72/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/f6a5a996173651fa5bef178cbdb5376cc540dffa2e0361617e6475a2bb0fdf7a/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 1644 23766 2 6755 30065 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:60:96:5f brd ff:ff:ff:ff:ff:ff inet 10.30.106.205/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86012sec preferred_lft 86012sec inet6 fe80::f816:3eff:fe60:965f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5a:a7:58:68 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::42:5aff:fea7:5868/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 42:63:1f:8c:96:d1 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::4063:1fff:fe8c:96d1/64 scope link valid_lft forever preferred_lft forever 7: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether ce:3f:66:90:1c:65 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::cc3f:66ff:fe90:1c65/64 scope link valid_lft forever preferred_lft forever 10: veth1bcb64f6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ae:44:ed:f7:29:a6 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::ac44:edff:fef7:29a6/64 scope link valid_lft forever preferred_lft forever 11: vetha03a24f2@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 2e:88:b7:f3:5b:9c brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::2c88:b7ff:fef3:5b9c/64 scope link valid_lft forever preferred_lft forever 12: veth6778ec62@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 8e:6d:45:9c:89:43 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::8c6d:45ff:fe9c:8943/64 scope link valid_lft forever preferred_lft forever 13: veth34531946@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 7e:3a:f0:f3:7b:01 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::7c3a:f0ff:fef3:7b01/64 scope link valid_lft forever preferred_lft forever 14: veth2e4d685d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ea:3f:b6:5a:e2:81 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::e83f:b6ff:fe5a:e281/64 scope link valid_lft forever preferred_lft forever 19: br-48eaa922b9b7: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:ab:eb:2b:01 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-48eaa922b9b7 valid_lft forever preferred_lft forever inet6 fe80::42:abff:feeb:2b01/64 scope link valid_lft forever preferred_lft forever 23: vethf788af2@if22: mtu 1500 qdisc noqueue master br-48eaa922b9b7 state UP group default link/ether 8a:34:77:b0:8e:71 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::8834:77ff:feb0:8e71/64 scope link valid_lft forever preferred_lft forever 25: vethfab5170@if24: mtu 1500 qdisc noqueue master br-48eaa922b9b7 state UP group default link/ether f2:68:d0:18:aa:f7 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::f068:d0ff:fe18:aaf7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46784) 09/18/25 _x86_64_ (8 CPU) 08:36:31 LINUX RESTART (8 CPU) 08:37:03 tps rtps wtps bread/s bwrtn/s 08:38:01 607.22 93.60 513.62 4165.21 139032.03 08:39:01 366.01 1.83 364.17 17.60 119435.56 08:40:01 101.57 3.35 98.22 456.72 62292.82 08:41:01 90.53 2.20 88.34 130.91 41574.00 08:42:01 101.42 20.26 81.15 715.88 11901.62 Average: 250.97 23.78 227.19 1076.68 74416.51 08:37:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:38:01 28272276 31247788 4666944 14.17 89000 3140268 2433240 7.39 1726916 2520416 60848 08:39:01 25433116 30411584 7506104 22.79 132564 4924460 3694748 11.22 2873976 4021284 345352 08:40:01 25860576 31020988 7078644 21.49 135336 5213160 2613076 7.93 2276732 4290828 234544 08:41:01 25136312 30875828 7802908 23.69 151484 5739728 4262856 12.94 2619640 4613960 1736 08:42:01 24421752 30738048 8517468 25.86 188236 6239260 4234296 12.85 2924412 4977924 162348 Average: 25824806 30858847 7114414 21.60 139324 5051375 3447643 10.47 2484335 4084882 160966 08:37:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:38:01 veth414c3ca6 0.10 0.40 0.01 0.03 0.00 0.00 0.00 0.00 08:38:01 vethf5dfca7 46.63 58.83 4.82 13.42 0.00 0.00 0.00 0.00 08:38:01 cni0 0.24 0.10 0.02 0.01 0.00 0.00 0.24 0.00 08:38:01 docker0 46.63 58.73 4.18 13.41 0.00 0.00 0.00 0.00 08:39:01 veth34531946 0.15 0.53 0.01 0.04 0.00 0.00 0.00 0.00 08:39:01 veth2e4d685d 4.37 4.05 0.78 2.08 0.00 0.00 0.00 0.00 08:39:01 vethf5dfca7 73.32 107.95 6.76 1241.20 0.00 0.00 0.00 0.10 08:39:01 cni0 44.86 44.11 37.29 109.05 0.00 0.00 0.70 0.00 08:40:01 veth34531946 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 veth2e4d685d 1.38 1.52 0.11 0.19 0.00 0.00 0.00 0.00 08:40:01 cni0 11.70 13.11 3.01 2.17 0.00 0.00 0.07 0.00 08:40:01 veth6778ec62 6.17 7.20 0.60 1.01 0.00 0.00 0.00 0.00 08:41:01 vethfab5170 0.12 0.30 0.01 0.02 0.00 0.00 0.00 0.00 08:41:01 veth34531946 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 08:41:01 br-48eaa922b9b7 0.37 0.53 1.00 0.05 0.00 0.00 0.00 0.00 08:41:01 veth2e4d685d 1.37 1.58 0.11 0.19 0.00 0.00 0.00 0.00 08:42:01 vethfab5170 0.13 0.15 0.01 0.01 0.00 0.00 0.00 0.00 08:42:01 veth34531946 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:42:01 br-48eaa922b9b7 1.97 2.30 0.72 0.68 0.00 0.00 0.00 0.00 08:42:01 veth2e4d685d 1.57 1.83 0.13 0.70 0.00 0.00 0.00 0.00 Average: vethfab5170 0.05 0.09 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth34531946 0.04 0.16 0.00 0.01 0.00 0.00 0.00 0.00 Average: br-48eaa922b9b7 0.47 0.57 0.35 0.15 0.00 0.00 0.00 0.00 Average: veth2e4d685d 1.75 1.81 0.23 0.63 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46784) 09/18/25 _x86_64_ (8 CPU) 08:36:31 LINUX RESTART (8 CPU) 08:37:03 CPU %user %nice %system %iowait %steal %idle 08:38:01 all 12.34 0.74 4.03 3.52 0.10 79.26 08:38:01 0 15.50 0.00 4.00 1.95 0.10 78.45 08:38:01 1 10.10 0.00 3.00 2.14 0.09 84.67 08:38:01 2 12.70 0.00 4.51 6.90 0.10 75.79 08:38:01 3 17.36 3.73 5.22 7.10 0.14 66.45 08:38:01 4 11.39 0.02 3.33 1.81 0.10 83.36 08:38:01 5 11.70 0.00 3.58 1.30 0.12 83.29 08:38:01 6 10.30 0.00 4.75 3.97 0.12 80.86 08:38:01 7 9.73 2.12 3.92 3.03 0.10 81.10 08:39:01 all 39.93 0.00 5.98 2.49 0.14 51.46 08:39:01 0 42.69 0.00 5.75 2.07 0.12 49.38 08:39:01 1 41.10 0.00 6.14 5.28 0.12 47.36 08:39:01 2 40.94 0.00 6.46 1.67 0.14 50.79 08:39:01 3 38.64 0.00 5.97 3.47 0.13 51.79 08:39:01 4 42.40 0.00 5.86 2.97 0.14 48.63 08:39:01 5 37.99 0.00 5.96 1.62 0.15 54.29 08:39:01 6 38.32 0.00 5.57 1.10 0.12 54.90 08:39:01 7 37.43 0.00 6.13 1.76 0.14 54.55 08:40:01 all 31.35 0.26 5.55 2.59 0.17 60.09 08:40:01 0 31.21 1.75 5.62 2.30 0.12 59.00 08:40:01 1 30.18 0.00 5.17 3.34 0.32 60.99 08:40:01 2 32.76 0.00 5.43 0.78 0.15 60.88 08:40:01 3 32.24 0.34 5.14 0.39 0.14 61.76 08:40:01 4 30.58 0.00 5.53 4.26 0.17 59.46 08:40:01 5 30.01 0.00 6.55 1.36 0.15 61.92 08:40:01 6 31.69 0.00 5.10 2.56 0.14 60.52 08:40:01 7 32.11 0.00 5.83 5.68 0.17 56.20 08:41:01 all 5.19 0.00 2.49 1.95 0.14 90.22 08:41:01 0 5.38 0.00 2.87 2.71 0.13 88.91 08:41:01 1 3.64 0.00 2.69 1.33 0.15 92.18 08:41:01 2 4.81 0.00 3.41 0.97 0.18 90.62 08:41:01 3 4.22 0.00 2.48 5.89 0.12 87.29 08:41:01 4 4.56 0.00 2.62 0.39 0.13 92.30 08:41:01 5 6.29 0.00 2.14 0.82 0.12 90.63 08:41:01 6 5.20 0.00 1.65 2.08 0.10 90.98 08:41:01 7 7.45 0.00 2.06 1.44 0.17 88.88 08:42:01 all 8.03 0.00 1.61 0.88 0.08 89.40 08:42:01 0 2.57 0.00 0.91 1.36 0.08 95.08 08:42:01 1 15.33 0.00 1.87 0.40 0.08 82.31 08:42:01 2 1.97 0.00 2.00 0.12 0.12 95.79 08:42:01 3 2.75 0.00 1.21 0.08 0.08 95.87 08:42:01 4 14.15 0.00 1.83 3.04 0.10 80.87 08:42:01 5 9.85 0.00 1.78 0.62 0.08 87.67 08:42:01 6 6.43 0.00 1.71 0.57 0.08 91.21 08:42:01 7 11.14 0.00 1.54 0.82 0.08 86.40 Average: all 19.38 0.20 3.93 2.28 0.13 74.09 Average: 0 19.49 0.35 3.83 2.08 0.11 74.14 Average: 1 20.11 0.00 3.78 2.50 0.15 73.46 Average: 2 18.62 0.00 4.36 2.06 0.14 74.82 Average: 3 19.03 0.79 3.99 3.36 0.12 72.70 Average: 4 20.62 0.00 3.83 2.49 0.13 72.92 Average: 5 19.20 0.00 4.00 1.14 0.13 75.52 Average: 6 18.38 0.00 3.74 2.04 0.11 75.73 Average: 7 19.61 0.41 3.89 2.54 0.13 73.41