---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-17871 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: 2799.996 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 51M 51M 0 100% /snap/snapd/25577 /dev/loop1 67M 67M 0 100% /snap/core24/1225 /dev/loop2 22M 22M 0 100% /snap/helm/485 ---> free -m: total used free shared buff/cache available Mem: 32167 1637 24056 2 6473 30073 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:42:81:69 brd ff:ff:ff:ff:ff:ff inet 10.30.107.63/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86049sec preferred_lft 86049sec inet6 fe80::f816:3eff:fe42:8169/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d3:0a:16:e1 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:d3ff:fe0a:16e1/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 0e:8e:a5:1d:cc:b1 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::c8e:a5ff:fe1d:ccb1/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether a6:0c:4b:93:a1:cc 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::a40c:4bff:fe93:a1cc/64 scope link valid_lft forever preferred_lft forever 6: vethced9409e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether c6:72:5f:52:3c:f2 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::c472:5fff:fe52:3cf2/64 scope link valid_lft forever preferred_lft forever 8: veth0de47702@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 6a:a3:38:3f:52:07 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::68a3:38ff:fe3f:5207/64 scope link valid_lft forever preferred_lft forever 10: vethf768fb7c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether fa:32:f6:6f:79:66 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::f832:f6ff:fe6f:7966/64 scope link valid_lft forever preferred_lft forever 13: veth96b9db28@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ba:79:b7:77:63:50 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::b879:b7ff:fe77:6350/64 scope link valid_lft forever preferred_lft forever 14: vethaf1834d0@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether b2:98:63:7b:54:89 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::b098:63ff:fe7b:5489/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-17871) 12/05/25 _x86_64_ (8 CPU) 07:35:05 LINUX RESTART (8 CPU) 07:36:02 tps rtps wtps bread/s bwrtn/s 07:37:01 490.82 42.60 448.22 2216.33 163362.39 07:38:01 165.39 0.05 165.34 0.40 48837.19 07:39:01 158.74 3.67 155.07 492.72 93913.55 07:40:01 107.53 21.70 85.84 736.41 14013.26 Average: 229.54 16.90 212.65 855.85 79686.49 07:36:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:37:01 26567428 30930744 6371792 19.34 128860 4322652 3812192 11.57 2284236 3510752 558708 07:38:01 25686520 30959776 7252700 22.02 133808 5202956 3631916 11.03 2719296 3911944 599320 07:39:01 25482840 30871176 7456380 22.64 138348 5410532 3736420 11.34 2457272 4452744 52972 07:40:01 24651716 30725864 8287504 25.16 187812 6005656 3668276 11.14 2851628 4834288 211764 Average: 25597126 30871890 7342094 22.29 147207 5235449 3712201 11.27 2578108 4177432 355691 07:36:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:37:01 docker0 173.92 249.34 13.21 1284.15 0.00 0.00 0.00 0.00 07:37:01 vethced9409e 2.47 3.52 0.32 0.76 0.00 0.00 0.00 0.00 07:37:01 veth4d12c9d 173.92 249.47 15.58 1284.16 0.00 0.00 0.00 0.11 07:37:01 veth96b9db28 0.14 0.41 0.01 0.03 0.00 0.00 0.00 0.00 07:38:01 docker0 0.58 0.68 0.04 0.65 0.00 0.00 0.00 0.00 07:38:01 vethced9409e 2.83 3.45 0.26 0.29 0.00 0.00 0.00 0.00 07:38:01 veth4d12c9d 0.58 0.72 0.05 0.65 0.00 0.00 0.00 0.00 07:38:01 veth96b9db28 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:39:01 docker0 0.03 0.07 0.00 0.01 0.00 0.00 0.00 0.00 07:39:01 vethced9409e 3.03 3.32 0.28 0.29 0.00 0.00 0.00 0.00 07:39:01 veth96b9db28 0.00 0.07 0.00 0.00 0.00 0.00 0.00 0.00 07:39:01 veth0de47702 0.78 1.82 0.11 0.26 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 vethced9409e 3.20 3.40 0.29 0.39 0.00 0.00 0.00 0.00 07:40:01 veth96b9db28 0.02 0.13 0.00 0.01 0.00 0.00 0.00 0.00 07:40:01 veth0de47702 0.08 0.20 0.01 0.02 0.00 0.00 0.00 0.00 Average: docker0 43.10 61.75 3.27 317.21 0.00 0.00 0.00 0.00 Average: vethced9409e 2.89 3.42 0.29 0.43 0.00 0.00 0.00 0.00 Average: veth96b9db28 0.05 0.18 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth0de47702 0.22 0.51 0.03 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-17871) 12/05/25 _x86_64_ (8 CPU) 07:35:05 LINUX RESTART (8 CPU) 07:36:02 CPU %user %nice %system %iowait %steal %idle 07:37:01 all 17.35 0.00 5.73 7.79 0.11 69.03 07:37:01 0 18.70 0.00 5.98 7.85 0.10 67.36 07:37:01 1 17.06 0.00 6.08 11.94 0.12 64.81 07:37:01 2 18.69 0.00 5.59 6.80 0.12 68.80 07:37:01 3 17.13 0.00 6.21 11.61 0.12 64.92 07:37:01 4 17.31 0.00 5.56 5.50 0.10 71.52 07:37:01 5 17.85 0.00 4.97 10.26 0.10 66.82 07:37:01 6 15.32 0.00 5.20 4.17 0.12 75.19 07:37:01 7 16.72 0.00 6.20 4.19 0.10 72.79 07:38:01 all 52.81 0.00 6.75 0.40 0.13 39.91 07:38:01 0 52.76 0.00 6.75 0.27 0.12 40.10 07:38:01 1 51.54 0.00 7.49 0.99 0.15 39.83 07:38:01 2 52.24 0.00 6.44 0.29 0.13 40.91 07:38:01 3 54.51 0.00 7.48 0.13 0.12 37.76 07:38:01 4 52.56 0.00 7.01 0.84 0.13 39.45 07:38:01 5 49.45 0.00 6.29 0.18 0.13 43.94 07:38:01 6 54.11 0.00 6.78 0.46 0.13 38.52 07:38:01 7 55.35 0.00 5.74 0.00 0.12 38.79 07:39:01 all 14.32 0.20 3.96 2.47 0.09 78.95 07:39:01 0 13.61 0.03 3.73 4.51 0.10 78.01 07:39:01 1 11.47 0.66 4.51 2.90 0.08 80.38 07:39:01 2 18.22 0.00 3.91 4.35 0.10 73.42 07:39:01 3 14.37 0.00 3.71 0.88 0.10 80.94 07:39:01 4 16.78 0.00 4.31 2.39 0.10 76.42 07:39:01 5 14.94 0.94 3.96 1.90 0.10 78.16 07:39:01 6 12.24 0.00 4.05 2.72 0.08 80.90 07:39:01 7 12.87 0.00 3.50 0.12 0.08 83.42 07:40:01 all 7.89 0.00 2.18 1.15 0.07 88.71 07:40:01 0 18.40 0.00 2.64 0.70 0.07 78.20 07:40:01 1 5.95 0.00 1.69 1.06 0.08 91.22 07:40:01 2 5.25 0.00 2.22 2.22 0.05 90.25 07:40:01 3 4.94 0.00 1.48 0.45 0.08 93.04 07:40:01 4 4.40 0.00 3.15 0.89 0.07 91.49 07:40:01 5 6.12 0.00 2.60 0.67 0.07 90.55 07:40:01 6 11.52 0.00 1.96 1.31 0.05 85.17 07:40:01 7 6.53 0.00 1.73 1.90 0.08 89.77 Average: all 23.11 0.05 4.65 2.92 0.10 69.17 Average: 0 25.90 0.01 4.76 3.30 0.10 65.93 Average: 1 21.51 0.16 4.93 4.18 0.11 69.10 Average: 2 23.60 0.00 4.53 3.39 0.10 68.37 Average: 3 22.78 0.00 4.71 3.22 0.11 69.18 Average: 4 22.77 0.00 5.00 2.39 0.10 69.74 Average: 5 22.11 0.24 4.45 3.21 0.10 69.89 Average: 6 23.31 0.00 4.49 2.15 0.10 69.96 Average: 7 22.92 0.00 4.28 1.53 0.10 71.17