---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-3029 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/854e996c694630b5fb9aae2134aad8df1cbaba6913e57d70ed754fc168e16887/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/e99c7af1479f23b08cbe25a7d3a1d03e2a0b3e8252622e1dbde6f7b161e555d3/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/2d70f43267d29faf7cf79966b2df123f415a4bb734656d81f9ac66e45f5c2873/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/6870d91c62711176a5994e00559d5534b62dddf25fe62ea882ee8e66d13fc340/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/aebced842b940a75c76823bbec3f9ba2b0602a905ca23b8db6308e46d4351e1f/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1560 24175 1 6430 30149 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:04:05:66 brd ff:ff:ff:ff:ff:ff inet 10.30.106.101/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86057sec preferred_lft 86057sec inet6 fe80::f816:3eff:fe04:566/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:89:2b:37:0f 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::42:89ff:fe2b:370f/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether b6:32:57:00:c8:aa 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::b432:57ff:fe00:c8aa/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 02:af:ef:f4:d6:c2 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::af:efff:fef4:d6c2/64 scope link valid_lft forever preferred_lft forever 7: vethc7983312@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether a2:b3:08:88:be:00 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::a0b3:8ff:fe88:be00/64 scope link valid_lft forever preferred_lft forever 8: veth1032b62b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 96:c6:77:3a:1c:8c brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::94c6:77ff:fe3a:1c8c/64 scope link valid_lft forever preferred_lft forever 9: vethc5de327a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 12:44:0f:40:ec:bb brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::1044:fff:fe40:ecbb/64 scope link valid_lft forever preferred_lft forever 13: vethe33c924f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether b6:9e:71:01:a0:4e brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::b49e:71ff:fe01:a04e/64 scope link valid_lft forever preferred_lft forever 14: veth556cb229@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 36:a8:b6:22:64:30 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::34a8:b6ff:fe22:6430/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3029) 10/19/26 _x86_64_ (8 CPU) 05:54:59 LINUX RESTART (8 CPU) 05:55:01 tps rtps wtps bread/s bwrtn/s 05:56:01 329.98 108.77 221.21 6342.14 112243.16 05:57:01 489.57 41.64 447.93 2210.06 170482.91 05:58:01 168.39 0.00 168.39 0.00 42640.89 05:59:01 191.25 3.72 187.54 512.98 90991.37 06:00:01 97.30 20.36 76.94 766.14 11977.20 Average: 255.31 34.90 220.41 1966.27 85669.93 05:55:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:56:01 30117948 31740768 2821272 8.57 45240 1895664 1379064 4.19 990284 1554276 375580 05:57:01 25754128 30644828 7185092 21.81 134760 4857232 3974900 12.07 2790568 3789372 907960 05:58:01 24790856 30670368 8148364 24.74 137940 5800916 3767424 11.44 3275900 4227968 865500 05:59:01 25504688 30949380 7434532 22.57 142984 5462460 3252056 9.87 2367996 4522804 32948 06:00:01 24975428 30848548 7963792 24.18 151912 5850288 3390744 10.29 2577936 4803844 152236 Average: 26228610 30970778 6710610 20.37 122567 4773312 3152838 9.57 2400537 3779653 466845 05:55:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 ens3 369.92 284.05 2474.54 63.41 0.00 0.00 0.00 0.00 05:56:01 lo 3.10 3.10 0.32 0.32 0.00 0.00 0.00 0.00 05:57:01 veth556cb229 5.26 4.58 1.09 1.81 0.00 0.00 0.00 0.00 05:57:01 vethe33c924f 0.15 0.50 0.01 0.04 0.00 0.00 0.00 0.00 05:57:01 veth1032b62b 2.82 3.77 0.29 0.72 0.00 0.00 0.00 0.00 05:57:01 vethc7983312 0.55 1.58 0.10 0.22 0.00 0.00 0.00 0.00 05:58:01 veth556cb229 1.48 1.65 0.13 0.20 0.00 0.00 0.00 0.00 05:58:01 vethe33c924f 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 05:58:01 veth1032b62b 2.82 3.30 0.26 0.28 0.00 0.00 0.00 0.00 05:58:01 vethc7983312 0.13 0.18 0.01 0.02 0.00 0.00 0.00 0.00 05:59:01 veth556cb229 1.45 1.63 0.12 0.20 0.00 0.00 0.00 0.00 05:59:01 vethe33c924f 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 05:59:01 veth1032b62b 3.05 3.33 0.28 0.29 0.00 0.00 0.00 0.00 05:59:01 vethc7983312 0.13 0.18 0.01 0.02 0.00 0.00 0.00 0.00 06:00:01 veth556cb229 1.55 1.78 0.13 0.41 0.00 0.00 0.00 0.00 06:00:01 vethe33c924f 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 06:00:01 veth1032b62b 3.18 3.40 0.29 0.39 0.00 0.00 0.00 0.00 06:00:01 vethc7983312 0.12 0.20 0.01 0.02 0.00 0.00 0.00 0.00 Average: veth556cb229 1.95 1.93 0.29 0.52 0.00 0.00 0.00 0.00 Average: vethe33c924f 0.04 0.15 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth1032b62b 2.37 2.76 0.22 0.34 0.00 0.00 0.00 0.00 Average: vethc7983312 0.19 0.43 0.02 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3029) 10/19/26 _x86_64_ (8 CPU) 05:54:59 LINUX RESTART (8 CPU) 05:55:01 CPU %user %nice %system %iowait %steal %idle 05:56:01 all 6.38 0.55 1.64 4.82 0.00 86.61 05:56:01 0 4.95 4.36 1.69 4.66 0.02 84.33 05:56:01 1 4.32 0.00 1.14 8.25 0.00 86.30 05:56:01 2 5.13 0.00 1.00 14.17 0.00 79.70 05:56:01 3 7.57 0.00 1.27 2.44 0.00 88.72 05:56:01 4 7.80 0.00 1.82 4.03 0.00 86.35 05:56:01 5 4.50 0.00 3.49 3.91 0.00 88.10 05:56:01 6 6.61 0.00 1.60 0.52 0.00 91.28 05:56:01 7 10.19 0.00 1.15 0.55 0.00 88.11 05:57:01 all 32.76 0.00 7.42 3.30 0.02 56.50 05:57:01 0 33.68 0.00 7.30 2.53 0.02 56.47 05:57:01 1 33.37 0.00 7.81 1.49 0.02 57.31 05:57:01 2 31.69 0.00 8.28 8.51 0.02 51.50 05:57:01 3 34.45 0.00 7.64 2.52 0.02 55.37 05:57:01 4 31.26 0.00 6.57 1.84 0.02 60.31 05:57:01 5 33.51 0.00 6.85 1.52 0.02 58.10 05:57:01 6 32.53 0.00 7.37 4.92 0.02 55.17 05:57:01 7 31.60 0.00 7.50 3.09 0.02 57.79 05:58:01 all 52.54 0.00 6.99 0.32 0.02 40.13 05:58:01 0 53.38 0.00 7.10 0.44 0.05 39.03 05:58:01 1 50.13 0.00 6.76 0.00 0.03 43.09 05:58:01 2 52.56 0.00 6.91 0.03 0.00 40.50 05:58:01 3 53.51 0.00 6.81 0.40 0.02 39.26 05:58:01 4 50.72 0.00 7.07 0.39 0.02 41.81 05:58:01 5 54.93 0.00 7.24 0.07 0.02 37.75 05:58:01 6 52.28 0.00 6.85 0.05 0.02 40.80 05:58:01 7 52.82 0.00 7.20 1.18 0.03 38.78 05:59:01 all 13.86 0.25 4.59 1.29 0.01 80.01 05:59:01 0 12.25 0.00 5.21 1.70 0.02 80.82 05:59:01 1 20.38 0.00 5.61 3.46 0.02 70.53 05:59:01 2 13.52 0.00 4.93 0.08 0.02 81.45 05:59:01 3 13.84 0.00 3.76 0.77 0.02 81.60 05:59:01 4 13.95 1.98 4.40 0.40 0.00 79.26 05:59:01 5 12.20 0.00 4.63 2.21 0.02 80.93 05:59:01 6 12.37 0.00 4.21 0.08 0.00 83.34 05:59:01 7 12.31 0.00 3.90 1.61 0.02 82.16 06:00:01 all 9.98 0.00 1.75 0.63 0.01 87.63 06:00:01 0 10.42 0.00 1.81 0.35 0.02 87.41 06:00:01 1 11.11 0.00 1.84 1.55 0.02 85.48 06:00:01 2 3.49 0.00 1.44 0.49 0.00 94.58 06:00:01 3 7.06 0.00 1.66 0.20 0.00 91.08 06:00:01 4 12.13 0.00 2.09 0.47 0.02 85.30 06:00:01 5 5.51 0.00 1.34 0.20 0.02 92.93 06:00:01 6 13.64 0.00 2.00 1.47 0.02 82.87 06:00:01 7 16.43 0.00 1.84 0.30 0.02 81.41 Average: all 23.06 0.16 4.47 2.07 0.01 70.22 Average: 0 22.90 0.88 4.61 1.94 0.02 69.65 Average: 1 23.82 0.00 4.62 2.96 0.02 68.59 Average: 2 21.27 0.00 4.51 4.66 0.01 69.56 Average: 3 23.25 0.00 4.22 1.27 0.01 71.25 Average: 4 23.12 0.40 4.39 1.43 0.01 70.66 Average: 5 22.09 0.00 4.70 1.58 0.01 71.61 Average: 6 23.44 0.00 4.40 1.41 0.01 70.75 Average: 7 24.64 0.00 4.31 1.34 0.02 69.69