---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6418 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/c1a8d4694a5086a7b8f60f199d78819429cd5f84c88bec6a4eb0bfa7c59ea2a1/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/d39322dc50a1d6a75c68b7efcc1810d450a68adbe1bfb8e42f35bde719f47f1e/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/25493d5350a949a26668e3e2dc4ef2469857fb3ff2abe030bb73caee728c3a77/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/b2b5b0acdb501115284a9c8896421d163c4281089990f2d35e093a06ce61287f/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/120f0b9cbe6630f7ffd7f42112bcd401670c8a2b88978e4b8806bad1319ef5af/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1474 24269 1 6423 30236 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:72:e3:aa brd ff:ff:ff:ff:ff:ff inet 10.30.107.195/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86055sec preferred_lft 86055sec inet6 fe80::f816:3eff:fe72:e3aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8d:53:2e:7c 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::42:8dff:fe53:2e7c/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 26:80:fd:88:a5:9b 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::2480:fdff:fe88:a59b/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether aa:17:58:e8:cc:41 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::a817:58ff:fee8:cc41/64 scope link valid_lft forever preferred_lft forever 6: veth74fdbf03@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 62:fb:d6:18:d5:50 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::60fb:d6ff:fe18:d550/64 scope link valid_lft forever preferred_lft forever 7: veth716f12c9@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 1a:b4:c1:cf:02:b9 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::18b4:c1ff:fecf:2b9/64 scope link valid_lft forever preferred_lft forever 8: veth0738d780@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether e2:2a:43:a9:85:06 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::e02a:43ff:fea9:8506/64 scope link valid_lft forever preferred_lft forever 11: vethbc4e46fb@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 66:95:59:82:c8:67 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::6495:59ff:fe82:c867/64 scope link valid_lft forever preferred_lft forever 12: veth7fe78307@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 92:15:50:40:91:0d brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::9015:50ff:fe40:910d/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-6418) 10/30/26 _x86_64_ (8 CPU) 07:01:41 LINUX RESTART (8 CPU) 07:02:01 tps rtps wtps bread/s bwrtn/s 07:03:01 468.27 125.93 342.34 6965.51 195745.91 07:04:01 165.14 2.70 162.45 375.07 87181.34 07:05:01 73.34 0.03 73.30 2.40 59323.05 07:06:01 163.76 21.46 142.29 1193.13 74475.85 07:07:01 104.28 2.77 101.52 99.58 11806.30 Average: 194.96 30.58 164.38 1727.09 85706.54 07:02:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:03:01 27517288 31172628 5421932 16.46 86372 3807484 2664336 8.09 1798764 3160372 228 07:04:01 25197364 30998500 7741856 23.50 125612 5734732 2899856 8.80 2895096 4205216 1191764 07:05:01 26828232 31147828 6110988 18.55 127112 4360840 2630136 7.98 1996612 3587856 84 07:06:01 25388596 30989484 7550624 22.92 135508 5611572 3408264 10.35 2428820 4559284 5140 07:07:01 24874156 30928328 8065064 24.48 145704 6008932 3473472 10.55 2528888 4924860 182084 Average: 25961127 31047354 6978093 21.18 124062 5104712 3015213 9.15 2329636 4087518 275860 07:02:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:03:01 veth716f12c9 2.43 3.32 0.58 1.32 0.00 0.00 0.00 0.00 07:03:01 lo 203.50 203.50 159.34 159.34 0.00 0.00 0.00 0.00 07:03:01 veth7fe78307 0.10 0.20 0.01 0.02 0.00 0.00 0.00 0.00 07:03:01 veth74fdbf03 1.23 2.00 0.14 0.50 0.00 0.00 0.00 0.00 07:04:01 veth716f12c9 7.20 8.78 2.40 1.47 0.00 0.00 0.00 0.00 07:04:01 lo 26.01 26.01 15.68 15.68 0.00 0.00 0.00 0.00 07:04:01 veth7fe78307 5.68 4.83 1.12 1.83 0.00 0.00 0.00 0.00 07:04:01 veth74fdbf03 2.78 3.20 0.25 0.36 0.00 0.00 0.00 0.00 07:05:01 veth716f12c9 7.07 8.53 2.13 0.99 0.00 0.00 0.00 0.00 07:05:01 lo 11.98 11.98 3.70 3.70 0.00 0.00 0.00 0.00 07:05:01 veth7fe78307 1.53 1.65 0.13 0.21 0.00 0.00 0.00 0.00 07:05:01 veth74fdbf03 3.00 3.45 0.28 0.30 0.00 0.00 0.00 0.00 07:06:01 veth716f12c9 7.35 8.53 2.16 1.11 0.00 0.00 0.00 0.00 07:06:01 lo 42.73 42.73 16.37 16.37 0.00 0.00 0.00 0.00 07:06:01 veth7fe78307 1.63 1.78 0.14 0.40 0.00 0.00 0.00 0.00 07:06:01 veth74fdbf03 3.17 3.52 0.29 0.40 0.00 0.00 0.00 0.00 07:07:01 veth716f12c9 7.53 8.48 2.16 1.07 0.00 0.00 0.00 0.00 07:07:01 lo 20.90 20.90 5.91 5.91 0.00 0.00 0.00 0.00 07:07:01 veth7fe78307 1.42 1.55 0.12 0.19 0.00 0.00 0.00 0.00 07:07:01 veth74fdbf03 3.03 3.35 0.28 0.29 0.00 0.00 0.00 0.00 Average: veth716f12c9 6.32 7.53 1.89 1.19 0.00 0.00 0.00 0.00 Average: lo 61.02 61.02 40.20 40.20 0.00 0.00 0.00 0.00 Average: veth7fe78307 2.07 2.00 0.30 0.53 0.00 0.00 0.00 0.00 Average: veth74fdbf03 2.64 3.10 0.25 0.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6418) 10/30/26 _x86_64_ (8 CPU) 07:01:41 LINUX RESTART (8 CPU) 07:02:01 CPU %user %nice %system %iowait %steal %idle 07:03:01 all 15.50 0.56 5.31 5.01 0.01 73.60 07:03:01 0 13.72 3.00 5.18 4.67 0.02 73.42 07:03:01 1 14.48 0.03 5.40 2.40 0.02 77.66 07:03:01 2 16.27 0.00 5.09 2.56 0.02 76.06 07:03:01 3 15.94 0.00 5.02 3.13 0.02 75.89 07:03:01 4 14.20 0.00 4.59 8.90 0.02 72.30 07:03:01 5 19.79 0.00 5.83 9.39 0.02 64.96 07:03:01 6 14.69 1.47 6.47 3.69 0.03 73.65 07:03:01 7 14.85 0.00 4.92 5.28 0.02 74.94 07:04:01 all 49.49 0.00 6.64 0.51 0.02 43.34 07:04:01 0 47.66 0.00 7.06 1.35 0.02 43.91 07:04:01 1 50.98 0.00 6.45 1.43 0.00 41.15 07:04:01 2 49.71 0.00 7.08 0.81 0.02 42.39 07:04:01 3 50.40 0.00 5.83 0.02 0.03 43.72 07:04:01 4 48.04 0.00 6.97 0.05 0.02 44.92 07:04:01 5 48.41 0.00 6.27 0.20 0.00 45.11 07:04:01 6 50.66 0.00 6.96 0.07 0.00 42.32 07:04:01 7 50.10 0.00 6.52 0.13 0.03 43.22 07:05:01 all 44.13 0.00 8.16 0.57 0.02 47.12 07:05:01 0 41.93 0.00 8.50 1.32 0.02 48.23 07:05:01 1 45.43 0.00 7.65 0.13 0.02 46.77 07:05:01 2 49.27 0.00 9.98 0.02 0.02 40.71 07:05:01 3 42.14 0.00 7.24 0.28 0.03 50.30 07:05:01 4 43.85 0.00 8.74 0.03 0.02 47.36 07:05:01 5 42.24 0.00 8.02 2.80 0.03 46.90 07:05:01 6 43.55 0.00 7.39 0.03 0.03 48.99 07:05:01 7 44.59 0.00 7.71 0.00 0.03 47.66 07:06:01 all 8.44 0.20 4.25 1.16 0.01 85.95 07:06:01 0 6.43 0.00 4.32 0.37 0.02 88.86 07:06:01 1 7.25 0.00 3.39 2.88 0.02 86.46 07:06:01 2 11.28 0.00 4.57 1.06 0.02 83.08 07:06:01 3 11.70 0.00 3.73 1.71 0.02 82.84 07:06:01 4 7.73 0.00 3.66 0.22 0.00 88.39 07:06:01 5 7.00 0.00 4.38 0.30 0.00 88.32 07:06:01 6 6.89 1.59 4.86 2.41 0.02 84.23 07:06:01 7 9.26 0.00 5.11 0.27 0.00 85.36 07:07:01 all 11.93 0.00 1.41 0.63 0.01 86.01 07:07:01 0 16.73 0.00 1.44 0.42 0.02 81.41 07:07:01 1 17.01 0.00 1.83 1.30 0.02 79.84 07:07:01 2 8.69 0.00 1.61 1.29 0.02 88.40 07:07:01 3 4.35 0.00 0.77 0.10 0.00 94.77 07:07:01 4 5.33 0.00 1.12 0.03 0.02 93.50 07:07:01 5 14.83 0.00 1.47 0.75 0.02 82.93 07:07:01 6 17.07 0.00 1.76 0.97 0.00 80.21 07:07:01 7 11.35 0.00 1.30 0.15 0.02 87.18 Average: all 25.89 0.15 5.15 1.57 0.02 67.21 Average: 0 25.29 0.60 5.29 1.62 0.02 67.18 Average: 1 27.03 0.01 4.94 1.63 0.01 66.38 Average: 2 27.06 0.00 5.67 1.15 0.02 66.11 Average: 3 24.93 0.00 4.52 1.05 0.02 69.49 Average: 4 23.81 0.00 5.01 1.85 0.01 69.32 Average: 5 26.41 0.00 5.19 2.69 0.01 65.69 Average: 6 26.59 0.61 5.48 1.43 0.02 65.87 Average: 7 26.04 0.00 5.11 1.16 0.02 67.67