---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46353 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 1.7M 3.2G 1% /run /dev/vda1 155G 14G 142G 9% / 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/13804b5aa292f0506ece8b88aa9e23dc9cdd0e2dcaafb07af3ebdcd12da123bc/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/344ff4eb56cd35dab99dc3761a22d4b6ec7087db070d7f350881bbe2b6a56e73/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/506758c9f8cb1103723433b410ea00c8f705082159d275d6aeebacb69c903dde/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/453b894b64367660f6da8d3670557cb011dc5a153a98544cc816408806e8e841/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/9138916f54c04a54725348956682c83456e9fafc8c6f6d065c5571fb9ec3a29e/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1511 24406 1 6249 30199 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:c5:ee:88 brd ff:ff:ff:ff:ff:ff inet 10.30.107.96/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85976sec preferred_lft 85976sec inet6 fe80::f816:3eff:fec5:ee88/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6a:ad:d1:98 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::42:6aff:fead:d198/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 0a:c9:3e:be:64:e5 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::8c9:3eff:febe:64e5/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 1e:ef:51:35:3c:04 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::1cef:51ff:fe35:3c04/64 scope link valid_lft forever preferred_lft forever 7: vethf5451c19@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 36:1a:89:e8:d2:a8 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::341a:89ff:fee8:d2a8/64 scope link valid_lft forever preferred_lft forever 8: veth7fb2b340@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 56:30:d6:c8:79:19 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::5430:d6ff:fec8:7919/64 scope link valid_lft forever preferred_lft forever 10: vethe107d77c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 82:31:8b:95:a5:32 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::8031:8bff:fe95:a532/64 scope link valid_lft forever preferred_lft forever 13: veth13bd3fb7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether c2:80:1d:49:f8:ea brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::c080:1dff:fe49:f8ea/64 scope link valid_lft forever preferred_lft forever 14: vetheedd896b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 66:43:be:8c:b4:fe brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::6443:beff:fe8c:b4fe/64 scope link valid_lft forever preferred_lft forever 19: br-8f9434542739: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:a3:26:39:a0 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-8f9434542739 valid_lft forever preferred_lft forever inet6 fe80::42:a3ff:fe26:39a0/64 scope link valid_lft forever preferred_lft forever 23: vethbb3c6ba@if22: mtu 1500 qdisc noqueue master br-8f9434542739 state UP group default link/ether 56:fa:7c:db:d0:56 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::54fa:7cff:fedb:d056/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46353) 09/17/25 _x86_64_ (8 CPU) 05:32:25 LINUX RESTART (8 CPU) 05:33:02 tps rtps wtps bread/s bwrtn/s 05:34:01 263.62 93.53 170.09 3859.55 57796.71 05:35:02 410.30 4.10 406.20 377.67 105292.32 05:36:01 148.45 3.17 145.28 438.30 88763.94 05:37:01 136.72 0.35 136.37 37.20 96563.87 05:38:01 38.23 13.30 24.93 549.11 30554.11 05:39:01 99.43 7.22 92.22 230.63 7619.80 Average: 182.66 20.12 162.54 908.54 64381.47 05:33:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:34:01 28877516 31312360 4061704 12.33 61104 2662280 2190436 6.65 1655336 2049144 477448 05:35:02 25015940 30205316 7923280 24.05 131076 5112668 3772800 11.45 3340884 3968916 974056 05:36:01 26860532 31018288 6078688 18.45 132296 4236504 2545424 7.73 2149648 3439968 312 05:37:01 25394432 30934332 7544788 22.91 136360 5569384 3279028 9.95 2401040 4602232 980 05:38:01 25385892 30947000 7553328 22.93 138596 5588168 3098272 9.41 2398464 4616148 3216 05:39:01 25021352 30898256 7917868 24.04 147408 5864168 3127648 9.50 2474112 4872256 166744 Average: 26092611 30885925 6846609 20.79 124473 4838862 3002268 9.11 2403247 3924777 270459 05:33:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:34:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:34:01 ens3 747.08 557.55 6483.14 96.69 0.00 0.00 0.00 0.00 05:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:34:01 lo 160.96 160.96 83.13 83.13 0.00 0.00 0.00 0.00 05:35:02 vethb46f848 163.06 191.28 14.56 1252.35 0.00 0.00 0.00 0.10 05:35:02 vetheedd896b 3.57 3.32 0.72 1.96 0.00 0.00 0.00 0.00 05:35:02 vethe107d77c 6.28 7.75 2.43 2.79 0.00 0.00 0.00 0.00 05:35:02 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:36:01 vetheedd896b 1.37 1.58 0.11 0.19 0.00 0.00 0.00 0.00 05:36:01 vethe107d77c 7.03 8.19 2.68 1.65 0.00 0.00 0.00 0.00 05:36:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:36:01 veth7fb2b340 6.10 7.24 0.59 1.05 0.00 0.00 0.00 0.00 05:37:01 vetheedd896b 1.37 1.50 0.11 0.18 0.00 0.00 0.00 0.00 05:37:01 vethe107d77c 7.38 8.37 2.78 1.71 0.00 0.00 0.00 0.00 05:37:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:37:01 veth7fb2b340 3.02 3.35 0.28 0.29 0.00 0.00 0.00 0.00 05:38:01 vetheedd896b 1.38 1.48 0.11 0.18 0.00 0.00 0.00 0.00 05:38:01 vethe107d77c 7.25 8.33 2.78 1.70 0.00 0.00 0.00 0.00 05:38:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:38:01 veth7fb2b340 3.05 3.27 0.28 0.28 0.00 0.00 0.00 0.00 05:39:01 vetheedd896b 1.32 1.50 0.11 0.18 0.00 0.00 0.00 0.00 05:39:01 vethe107d77c 7.68 8.72 2.81 1.74 0.00 0.00 0.00 0.00 05:39:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:39:01 veth7fb2b340 3.05 3.25 0.28 0.28 0.00 0.00 0.00 0.00 Average: vetheedd896b 1.51 1.57 0.19 0.45 0.00 0.00 0.00 0.00 Average: vethe107d77c 5.95 6.91 2.25 1.60 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 Average: veth7fb2b340 2.53 2.85 0.24 0.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46353) 09/17/25 _x86_64_ (8 CPU) 05:32:25 LINUX RESTART (8 CPU) 05:33:02 CPU %user %nice %system %iowait %steal %idle 05:34:01 all 10.22 0.65 2.81 4.02 0.06 82.23 05:34:01 0 9.59 0.00 3.36 6.70 0.05 80.30 05:34:01 1 7.10 0.00 2.63 0.17 0.05 90.05 05:34:01 2 11.78 0.00 2.76 5.06 0.05 80.36 05:34:01 3 10.43 0.00 2.62 10.73 0.05 76.17 05:34:01 4 10.97 0.00 2.20 0.09 0.07 86.67 05:34:01 5 10.14 3.34 3.51 4.60 0.09 78.32 05:34:01 6 10.74 0.00 2.54 3.58 0.05 83.09 05:34:01 7 11.06 1.86 2.91 1.20 0.09 82.89 05:35:02 all 35.12 0.00 6.36 7.83 0.12 50.58 05:35:02 0 34.27 0.00 7.11 17.51 0.12 41.00 05:35:02 1 34.42 0.00 7.06 4.89 0.12 53.51 05:35:02 2 35.15 0.00 6.27 4.41 0.12 54.06 05:35:02 3 36.87 0.00 6.35 18.31 0.12 38.36 05:35:02 4 35.79 0.00 6.29 5.34 0.12 52.46 05:35:02 5 37.32 0.00 6.45 3.96 0.10 52.17 05:35:02 6 35.55 0.00 5.85 6.19 0.10 52.30 05:35:02 7 31.57 0.00 5.46 2.06 0.12 60.78 05:36:01 all 31.92 0.00 4.81 4.71 0.11 58.46 05:36:01 0 30.88 0.00 4.65 4.46 0.10 59.91 05:36:01 1 29.12 0.00 4.35 0.03 0.07 66.43 05:36:01 2 29.08 0.00 4.54 6.53 0.14 59.71 05:36:01 3 32.30 0.00 5.12 13.11 0.15 49.31 05:36:01 4 30.29 0.00 4.47 2.05 0.10 63.10 05:36:01 5 37.12 0.00 4.73 0.19 0.14 57.83 05:36:01 6 37.21 0.00 5.55 11.14 0.09 46.02 05:36:01 7 29.34 0.00 5.11 0.15 0.09 65.30 05:37:01 all 6.28 0.22 2.65 5.85 0.08 84.92 05:37:01 0 6.21 0.00 3.17 22.65 0.12 67.85 05:37:01 1 6.54 0.59 2.10 0.25 0.08 90.44 05:37:01 2 6.04 0.00 2.49 0.17 0.09 91.21 05:37:01 3 7.79 1.10 2.70 5.00 0.08 83.32 05:37:01 4 6.25 0.00 2.10 1.08 0.07 90.50 05:37:01 5 5.16 0.00 3.76 0.25 0.07 90.76 05:37:01 6 6.02 0.00 2.49 12.62 0.08 78.79 05:37:01 7 6.21 0.00 2.36 4.77 0.07 86.59 05:38:01 all 1.24 0.00 0.50 0.96 0.06 97.25 05:38:01 0 1.46 0.00 0.78 7.20 0.08 90.47 05:38:01 1 1.12 0.00 0.40 0.05 0.02 98.41 05:38:01 2 2.29 0.00 0.52 0.12 0.07 97.01 05:38:01 3 0.97 0.00 0.45 0.07 0.08 98.43 05:38:01 4 0.57 0.00 0.45 0.03 0.05 98.90 05:38:01 5 1.05 0.00 0.30 0.05 0.03 98.56 05:38:01 6 1.12 0.00 0.45 0.02 0.07 98.35 05:38:01 7 1.38 0.00 0.58 0.05 0.07 97.92 05:39:01 all 10.47 0.00 0.96 1.25 0.06 87.27 05:39:01 0 10.66 0.00 0.98 0.68 0.07 87.60 05:39:01 1 3.12 0.00 0.47 0.00 0.05 96.36 05:39:01 2 18.43 0.00 1.55 0.88 0.07 79.07 05:39:01 3 19.43 0.00 1.52 1.02 0.07 77.97 05:39:01 4 5.68 0.00 0.50 0.25 0.07 93.50 05:39:01 5 3.84 0.00 0.35 0.08 0.03 95.69 05:39:01 6 5.80 0.00 1.16 6.79 0.08 86.17 05:39:01 7 16.74 0.00 1.14 0.23 0.08 81.81 Average: all 15.82 0.14 3.00 4.09 0.08 76.87 Average: 0 15.46 0.00 3.33 9.84 0.09 71.29 Average: 1 13.51 0.10 2.82 0.90 0.06 82.60 Average: 2 17.10 0.00 3.01 2.84 0.09 76.96 Average: 3 17.90 0.18 3.11 7.99 0.09 70.72 Average: 4 14.88 0.00 2.66 1.47 0.08 80.90 Average: 5 15.70 0.55 3.17 1.51 0.08 78.99 Average: 6 15.97 0.00 2.99 6.71 0.08 74.25 Average: 7 16.03 0.31 2.92 1.40 0.08 79.26