---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-1236 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 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 /dev/loop0 49M 49M 0 100% /snap/snapd/25935 /dev/loop1 67M 67M 0 100% /snap/core24/1349 /dev/loop2 21M 21M 0 100% /snap/helm/500 ---> free -m: total used free shared buff/cache available Mem: 32167 1616 23962 2 6587 30093 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:7c:36:c3 brd ff:ff:ff:ff:ff:ff inet 10.30.106.71/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86054sec preferred_lft 86054sec inet6 fe80::f816:3eff:fe7c:36c3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cf:6b:83:dc 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:cfff:fe6b:83dc/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 9e:0c:80:28:9c:a7 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::9c0c:80ff:fe28:9ca7/64 scope link valid_lft forever preferred_lft forever 7: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether f2:31:c8:09:f5:24 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::f031:c8ff:fe09:f524/64 scope link valid_lft forever preferred_lft forever 8: vethead168c9@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 1e:71:27:fb:38:99 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::1c71:27ff:fefb:3899/64 scope link valid_lft forever preferred_lft forever 10: veth65794805@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 7a:be:f1:12:4e:0f brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::78be:f1ff:fe12:4e0f/64 scope link valid_lft forever preferred_lft forever 11: veth06bf3ac4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 96:fc:c0:ad:82:69 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::94fc:c0ff:fead:8269/64 scope link valid_lft forever preferred_lft forever 13: veth7e6f5321@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether f2:f2:0e:92:de:10 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::f0f2:eff:fe92:de10/64 scope link valid_lft forever preferred_lft forever 14: veth270d6985@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether e2:5d:19:1b:b3:e0 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::e05d:19ff:fe1b:b3e0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-1236) 03/11/26 _x86_64_ (8 CPU) 14:52:27 LINUX RESTART (8 CPU) 14:53:02 tps rtps wtps bread/s bwrtn/s 14:54:01 630.84 85.85 544.99 3850.47 151324.72 14:55:01 235.95 0.85 235.10 9.73 80724.69 14:56:02 169.96 3.32 166.64 442.86 76742.54 14:57:01 120.59 20.44 100.15 775.46 38236.77 14:58:01 120.36 3.02 117.34 92.77 11035.39 Average: 254.73 22.49 232.24 1025.61 71455.64 14:53:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:54:01 27767860 31212164 5171360 15.70 92380 3593760 2593136 7.87 1763528 2964416 299232 14:55:01 25362028 30616204 7577192 23.00 133732 5204804 3362452 10.21 2727320 4228968 602368 14:56:02 25927896 31010348 7011324 21.29 137568 5132828 2704904 8.21 2291160 4209608 156 14:57:01 24883288 30840964 8055932 24.46 184496 5917200 3618512 10.99 2692208 4788332 41752 14:58:01 24599724 30874368 8339496 25.32 192840 6188168 3584660 10.88 2676472 5047804 124048 Average: 25708159 30910810 7231061 21.95 148203 5207352 3172733 9.63 2430138 4247826 213511 14:53:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:54:01 veth06bf3ac4 0.10 0.39 0.01 0.03 0.00 0.00 0.00 0.00 14:54:01 lo 169.29 169.29 86.00 86.00 0.00 0.00 0.00 0.00 14:54:01 veth65794805 0.10 0.47 0.01 0.04 0.00 0.00 0.00 0.00 14:54:01 ens3 550.19 354.99 9769.35 50.34 0.00 0.00 0.00 0.00 14:55:01 veth06bf3ac4 8.11 9.76 3.14 3.39 0.00 0.00 0.00 0.00 14:55:01 lo 99.47 99.47 239.86 239.86 0.00 0.00 0.00 0.00 14:55:01 veth65794805 3.33 3.93 0.40 0.79 0.00 0.00 0.00 0.00 14:55:01 ens3 304.13 174.79 2422.77 17.09 0.00 0.00 0.00 0.00 14:56:02 veth06bf3ac4 7.20 8.37 2.77 1.71 0.00 0.00 0.00 0.00 14:56:02 lo 14.13 14.13 4.41 4.41 0.00 0.00 0.00 0.00 14:56:02 veth65794805 3.07 3.35 0.28 0.29 0.00 0.00 0.00 0.00 14:56:02 ens3 37.09 24.81 688.05 2.76 0.00 0.00 0.00 0.00 14:57:01 veth06bf3ac4 7.41 8.91 2.83 1.93 0.00 0.00 0.00 0.00 14:57:01 lo 45.74 45.74 17.89 17.89 0.00 0.00 0.00 0.00 14:57:01 veth65794805 3.07 3.44 0.28 0.39 0.00 0.00 0.00 0.00 14:57:01 ens3 359.16 229.71 7720.02 21.01 0.00 0.00 0.00 0.00 14:58:01 veth06bf3ac4 7.40 8.25 2.79 1.79 0.00 0.00 0.00 0.00 14:58:01 lo 22.11 22.11 6.50 6.50 0.00 0.00 0.00 0.00 14:58:01 veth65794805 3.07 3.25 0.28 0.28 0.00 0.00 0.00 0.00 14:58:01 ens3 70.71 52.10 980.28 12.28 0.00 0.00 0.00 0.00 Average: veth06bf3ac4 6.06 7.15 2.31 1.78 0.00 0.00 0.00 0.00 Average: lo 69.90 69.90 71.06 71.06 0.00 0.00 0.00 0.00 Average: veth65794805 2.53 2.90 0.25 0.36 0.00 0.00 0.00 0.00 Average: ens3 262.98 166.44 4286.20 20.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-1236) 03/11/26 _x86_64_ (8 CPU) 14:52:27 LINUX RESTART (8 CPU) 14:53:02 CPU %user %nice %system %iowait %steal %idle 14:54:01 all 12.20 0.61 4.49 4.68 0.06 77.96 14:54:01 0 12.76 0.00 4.21 2.50 0.07 80.46 14:54:01 1 8.48 0.00 4.46 11.38 0.07 75.60 14:54:01 2 13.17 0.00 4.15 1.64 0.07 80.97 14:54:01 3 19.52 0.00 5.10 5.73 0.09 69.56 14:54:01 4 12.04 0.00 4.54 1.95 0.05 81.42 14:54:01 5 10.92 0.00 4.41 2.93 0.07 81.68 14:54:01 6 10.09 4.81 5.27 5.02 0.07 74.74 14:54:01 7 10.61 0.03 3.77 6.32 0.05 79.22 14:55:01 all 44.87 0.00 6.55 2.50 0.11 45.97 14:55:01 0 42.81 0.00 6.27 2.04 0.12 48.76 14:55:01 1 45.00 0.00 6.17 3.82 0.10 44.91 14:55:01 2 49.16 0.00 6.36 3.53 0.12 40.83 14:55:01 3 44.58 0.00 7.06 1.77 0.10 46.49 14:55:01 4 47.33 0.00 6.94 1.72 0.12 43.89 14:55:01 5 44.53 0.00 6.42 1.93 0.10 47.02 14:55:01 6 42.85 0.00 6.60 3.24 0.10 47.22 14:55:01 7 42.74 0.00 6.55 1.92 0.12 48.67 14:56:02 all 40.04 0.24 6.65 1.56 0.10 51.42 14:56:02 0 39.45 0.00 6.12 0.57 0.12 53.74 14:56:02 1 38.96 0.17 5.75 0.72 0.08 54.33 14:56:02 2 37.73 0.37 6.13 0.20 0.10 55.46 14:56:02 3 39.94 0.00 6.69 0.98 0.10 52.30 14:56:02 4 38.26 1.28 6.32 2.88 0.08 51.17 14:56:02 5 40.37 0.00 9.05 0.25 0.10 50.23 14:56:02 6 41.57 0.14 6.47 6.53 0.10 45.19 14:56:02 7 44.01 0.00 6.67 0.34 0.10 48.88 14:57:01 all 7.81 0.00 3.66 1.40 0.08 87.05 14:57:01 0 7.69 0.00 2.83 0.60 0.09 88.79 14:57:01 1 6.41 0.00 4.00 4.78 0.08 84.72 14:57:01 2 7.90 0.00 3.77 0.94 0.10 87.28 14:57:01 3 11.73 0.00 5.11 1.03 0.07 82.07 14:57:01 4 8.99 0.00 3.49 0.14 0.07 87.32 14:57:01 5 9.35 0.00 3.69 0.31 0.07 86.59 14:57:01 6 5.48 0.00 3.56 2.79 0.09 88.09 14:57:01 7 4.95 0.00 2.86 0.55 0.09 91.56 14:58:01 all 11.43 0.00 1.45 1.00 0.08 86.04 14:58:01 0 4.46 0.00 1.52 0.99 0.07 92.96 14:58:01 1 3.76 0.00 1.20 0.20 0.08 94.75 14:58:01 2 8.48 0.00 1.16 2.16 0.08 88.11 14:58:01 3 16.17 0.00 1.44 0.20 0.07 82.12 14:58:01 4 24.36 0.00 2.36 1.99 0.07 71.23 14:58:01 5 19.29 0.00 1.94 2.33 0.08 76.36 14:58:01 6 5.67 0.00 0.95 0.07 0.07 93.25 14:58:01 7 9.31 0.00 1.00 0.08 0.08 89.52 Average: all 23.34 0.17 4.56 2.22 0.09 69.63 Average: 0 21.49 0.00 4.19 1.34 0.09 72.89 Average: 1 20.61 0.03 4.32 4.14 0.08 70.81 Average: 2 23.37 0.07 4.31 1.70 0.09 70.45 Average: 3 26.44 0.00 5.07 1.93 0.08 66.48 Average: 4 26.28 0.26 4.73 1.74 0.08 66.92 Average: 5 24.98 0.00 5.11 1.55 0.08 68.28 Average: 6 21.16 0.98 4.56 3.52 0.08 69.70 Average: 7 22.41 0.01 4.17 1.83 0.09 71.49