---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-18526 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 1.6M 3.2G 1% /run /dev/vda1 155G 13G 143G 8% / 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 ---> free -m: total used free shared buff/cache available Mem: 32167 1447 26030 1 4688 30262 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:b8:ed:51 brd ff:ff:ff:ff:ff:ff inet 10.30.106.113/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86149sec preferred_lft 86149sec inet6 fe80::f816:3eff:feb8:ed51/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:03:15:60:b7 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::42:3ff:fe15:60b7/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 8a:a5:82:9a:de:13 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::88a5:82ff:fe9a:de13/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 62:27:71:0a:de:46 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::6027:71ff:fe0a:de46/64 scope link valid_lft forever preferred_lft forever 8: veth35ab176a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 7e:40:f4:da:29:8d brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::7c40:f4ff:feda:298d/64 scope link valid_lft forever preferred_lft forever 9: vethea17e559@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether f6:de:95:20:a6:a2 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::f4de:95ff:fe20:a6a2/64 scope link valid_lft forever preferred_lft forever 10: vethce35a7ec@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 46:e9:e3:31:2d:1e brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::44e9:e3ff:fe31:2d1e/64 scope link valid_lft forever preferred_lft forever 13: vethaa49f9c1@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 3e:9c:3b:df:06:eb brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::3c9c:3bff:fedf:6eb/64 scope link valid_lft forever preferred_lft forever 14: veth8169739e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 86:fc:bb:6d:c1:dc brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::84fc:bbff:fe6d:c1dc/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-18526) 12/07/25 _x86_64_ (8 CPU) 18:02:49 LINUX RESTART (8 CPU) 18:03:01 tps rtps wtps bread/s bwrtn/s 18:04:01 421.60 132.71 288.89 7998.13 112250.09 18:05:01 480.94 4.00 476.94 416.26 125724.23 18:06:01 253.11 23.18 229.93 1145.14 84207.30 Average: 385.22 53.29 331.93 3186.36 107394.89 18:03:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:04:01 29465784 31406676 3473436 10.54 50400 2196096 1884312 5.72 1521180 1638148 5356 18:05:01 26202688 30859124 6736532 20.45 137484 4615736 3730968 11.33 2409124 3733632 591068 18:06:01 26680984 30922788 6258236 19.00 147904 4282772 2642360 8.02 2441820 3312444 203472 Average: 27449819 31062863 5489401 16.67 111929 3698201 2752547 8.36 2124041 2894741 266632 18:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:04:01 lo 104.67 104.67 43.97 43.97 0.00 0.00 0.00 0.00 18:04:01 ens3 465.24 297.30 2590.56 77.32 0.00 0.00 0.00 0.00 18:05:01 veth8169739e 4.77 4.08 0.93 2.35 0.00 0.00 0.00 0.00 18:05:01 cni0 46.95 42.80 40.21 113.39 0.00 0.00 0.92 0.00 18:05:01 veth5c570be 163.98 236.12 15.10 1394.37 0.00 0.00 0.00 0.11 18:05:01 docker0 163.98 235.97 12.86 1394.36 0.00 0.00 0.00 0.00 18:06:01 veth8169739e 1.33 1.60 0.11 0.17 0.00 0.00 0.00 0.00 18:06:01 cni0 11.51 13.26 3.00 2.16 0.00 0.00 0.08 0.00 18:06:01 docker0 0.03 0.08 0.00 0.01 0.00 0.00 0.00 0.00 18:06:01 vethaa49f9c1 0.17 0.53 0.01 0.04 0.00 0.00 0.00 0.00 Average: veth8169739e 2.03 1.89 0.34 0.84 0.00 0.00 0.00 0.00 Average: cni0 19.49 18.69 14.41 38.52 0.00 0.00 0.33 0.00 Average: docker0 54.68 78.69 4.29 464.84 0.00 0.00 0.00 0.00 Average: vethaa49f9c1 0.06 0.18 0.00 0.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18526) 12/07/25 _x86_64_ (8 CPU) 18:02:49 LINUX RESTART (8 CPU) 18:03:01 CPU %user %nice %system %iowait %steal %idle 18:04:01 all 9.25 0.97 2.73 3.91 0.06 83.08 18:04:01 0 7.35 2.25 3.75 0.78 0.05 85.81 18:04:01 1 11.98 1.67 2.79 0.60 0.07 82.89 18:04:01 2 5.36 3.72 2.45 1.19 0.07 87.22 18:04:01 3 8.21 0.02 2.44 6.58 0.05 82.71 18:04:01 4 15.41 0.05 2.88 2.65 0.05 78.96 18:04:01 5 8.65 0.00 2.51 6.18 0.07 82.59 18:04:01 6 9.85 0.00 2.86 9.00 0.05 78.24 18:04:01 7 7.16 0.00 2.14 4.32 0.05 86.33 18:05:01 all 33.84 0.00 7.99 4.42 0.10 53.65 18:05:01 0 33.42 0.00 7.61 4.77 0.10 54.10 18:05:01 1 32.16 0.00 8.83 8.08 0.10 50.83 18:05:01 2 34.16 0.00 8.55 5.59 0.10 51.60 18:05:01 3 34.80 0.00 7.79 2.15 0.10 55.16 18:05:01 4 33.46 0.00 8.14 3.27 0.12 55.01 18:05:01 5 33.67 0.00 7.75 4.55 0.12 53.91 18:05:01 6 35.83 0.00 7.40 2.44 0.12 54.21 18:05:01 7 33.16 0.00 7.88 4.54 0.10 54.32 18:06:01 all 21.43 0.26 3.85 2.07 0.08 72.31 18:06:01 0 21.55 1.23 4.20 0.23 0.10 72.69 18:06:01 1 16.52 0.00 3.30 0.03 0.07 80.08 18:06:01 2 20.18 0.84 3.46 2.32 0.10 73.10 18:06:01 3 18.33 0.00 3.40 1.75 0.08 76.45 18:06:01 4 22.00 0.02 5.11 2.06 0.07 70.74 18:06:01 5 29.32 0.00 3.81 0.91 0.08 65.88 18:06:01 6 26.19 0.00 3.78 5.78 0.08 64.16 18:06:01 7 17.40 0.00 3.78 3.49 0.08 75.25 Average: all 21.46 0.41 4.85 3.46 0.08 69.74 Average: 0 20.70 1.17 5.18 1.92 0.08 70.96 Average: 1 20.16 0.56 4.95 2.88 0.08 71.38 Average: 2 19.86 1.52 4.81 3.03 0.09 70.69 Average: 3 20.42 0.01 4.54 3.49 0.08 71.47 Average: 4 23.59 0.02 5.37 2.66 0.08 68.28 Average: 5 23.84 0.00 4.68 3.88 0.09 67.51 Average: 6 23.91 0.00 4.67 5.75 0.08 65.58 Average: 7 19.17 0.00 4.58 4.11 0.08 72.05