---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-19313 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 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 1724 23847 2 6594 29985 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:7a:65:6c brd ff:ff:ff:ff:ff:ff inet 10.30.106.82/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86022sec preferred_lft 86022sec inet6 fe80::f816:3eff:fe7a:656c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:eb:ad:d4:b0 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:ebff:fead:d4b0/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether ee:50:32:b2:72:50 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::ec50:32ff:feb2:7250/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 2e:bf:f7:2c:7c:08 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::2cbf:f7ff:fe2c:7c08/64 scope link valid_lft forever preferred_lft forever 7: veth40fffe6f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 42:27:e4:a6:e9:2a brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::4027:e4ff:fea6:e92a/64 scope link valid_lft forever preferred_lft forever 9: vethacd28608@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ba:25:27:63:ab:95 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::b825:27ff:fe63:ab95/64 scope link valid_lft forever preferred_lft forever 10: vethb9ecf6c3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 92:4e:8f:bb:aa:11 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::904e:8fff:febb:aa11/64 scope link valid_lft forever preferred_lft forever 13: veth6caec082@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 46:01:cb:b1:51:c1 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::4401:cbff:feb1:51c1/64 scope link valid_lft forever preferred_lft forever 14: veth985823ec@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether fa:6c:36:ad:7e:57 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::f86c:36ff:fead:7e57/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-19313) 12/10/25 _x86_64_ (8 CPU) 15:09:08 LINUX RESTART (8 CPU) 15:10:02 tps rtps wtps bread/s bwrtn/s 15:11:01 491.02 84.33 406.69 3741.65 116176.08 15:12:01 181.82 0.03 181.79 0.27 59334.62 15:13:01 157.12 3.50 153.62 474.05 89401.37 15:14:01 115.51 19.85 95.67 730.81 60801.33 15:15:01 109.98 2.75 107.23 97.05 32412.73 Average: 210.16 21.88 188.28 999.69 71477.34 15:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:11:01 26666584 31020568 6272636 19.04 126656 4360008 2903604 8.82 2110984 3595996 528232 15:12:01 25475884 30907220 7463336 22.66 138180 5370860 3631868 11.03 2825116 4008880 518904 15:13:01 25552784 31018312 7386436 22.42 142404 5491100 2950144 8.96 2317352 4537664 809568 15:14:01 24876804 30834200 8062416 24.48 187624 5909656 3507720 10.65 2706904 4777316 41220 15:15:01 24498900 30782480 8440320 25.62 195340 6190084 3561356 10.81 2773804 5045764 186940 Average: 25414191 30912556 7525029 22.85 158041 5464342 3310938 10.05 2546832 4393124 416973 15:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:11:01 veth985823ec 2.85 2.58 0.54 1.69 0.00 0.00 0.00 0.00 15:11:01 veth40fffe6f 0.51 1.49 0.09 0.23 0.00 0.00 0.00 0.00 15:11:01 vethb9ecf6c3 1.98 2.73 0.27 0.68 0.00 0.00 0.00 0.00 15:11:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:12:01 veth985823ec 1.58 1.72 0.13 0.39 0.00 0.00 0.00 0.00 15:12:01 veth40fffe6f 0.10 0.22 0.01 0.02 0.00 0.00 0.00 0.00 15:12:01 vethb9ecf6c3 2.70 3.20 0.25 0.29 0.00 0.00 0.00 0.00 15:12:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:13:01 veth985823ec 1.37 1.55 0.11 0.17 0.00 0.00 0.00 0.00 15:13:01 veth40fffe6f 0.15 0.18 0.01 0.02 0.00 0.00 0.00 0.00 15:13:01 vethb9ecf6c3 3.10 3.50 0.29 0.30 0.00 0.00 0.00 0.00 15:13:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:14:01 veth985823ec 1.67 1.93 0.13 0.57 0.00 0.00 0.00 0.00 15:14:01 veth40fffe6f 0.10 0.22 0.01 0.02 0.00 0.00 0.00 0.00 15:14:01 vethb9ecf6c3 3.17 3.47 0.29 0.40 0.00 0.00 0.00 0.00 15:14:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:15:01 veth985823ec 1.33 1.53 0.11 0.17 0.00 0.00 0.00 0.00 15:15:01 veth40fffe6f 0.12 0.15 0.01 0.02 0.00 0.00 0.00 0.00 15:15:01 vethb9ecf6c3 3.10 3.25 0.29 0.28 0.00 0.00 0.00 0.00 15:15:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth985823ec 1.76 1.86 0.20 0.59 0.00 0.00 0.00 0.00 Average: veth40fffe6f 0.19 0.45 0.02 0.06 0.00 0.00 0.00 0.00 Average: vethb9ecf6c3 2.81 3.23 0.28 0.39 0.00 0.00 0.00 0.00 Average: flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-19313) 12/10/25 _x86_64_ (8 CPU) 15:09:08 LINUX RESTART (8 CPU) 15:10:02 CPU %user %nice %system %iowait %steal %idle 15:11:01 all 14.79 0.28 5.55 9.14 0.09 70.15 15:11:01 0 15.42 0.00 6.09 10.38 0.09 68.03 15:11:01 1 14.68 0.00 5.64 4.78 0.07 74.84 15:11:01 2 16.32 0.00 6.19 15.36 0.09 62.05 15:11:01 3 13.62 0.00 5.23 11.66 0.09 69.41 15:11:01 4 14.01 0.00 5.20 11.27 0.10 69.41 15:11:01 5 16.37 0.00 5.38 10.56 0.09 67.61 15:11:01 6 15.12 2.27 5.87 4.35 0.09 72.31 15:11:01 7 12.81 0.00 4.79 4.74 0.07 77.60 15:12:01 all 44.48 0.00 5.76 2.40 0.11 47.25 15:12:01 0 45.34 0.00 5.62 0.67 0.12 48.25 15:12:01 1 45.17 0.00 6.20 2.76 0.12 45.76 15:12:01 2 45.00 0.00 6.56 4.24 0.12 44.09 15:12:01 3 47.76 0.00 5.43 1.77 0.12 44.93 15:12:01 4 42.62 0.00 5.21 2.81 0.12 49.24 15:12:01 5 49.44 0.00 5.96 3.31 0.12 41.17 15:12:01 6 43.13 0.00 5.85 3.44 0.10 47.48 15:12:01 7 37.36 0.00 5.27 0.15 0.10 57.12 15:13:01 all 26.35 0.20 5.15 5.46 0.10 62.74 15:13:01 0 31.68 0.00 5.45 3.30 0.08 59.48 15:13:01 1 27.09 0.00 5.66 0.24 0.08 66.93 15:13:01 2 25.10 0.45 5.15 13.72 0.10 55.48 15:13:01 3 25.26 0.00 5.01 1.04 0.10 68.59 15:13:01 4 24.26 0.00 4.75 0.95 0.08 69.96 15:13:01 5 25.80 0.00 5.96 0.30 0.10 67.84 15:13:01 6 27.79 0.00 4.49 7.89 0.10 59.73 15:13:01 7 23.84 1.15 4.73 16.31 0.10 53.87 15:14:01 all 5.60 0.00 2.25 3.69 0.07 88.38 15:14:01 0 4.02 0.00 2.33 0.52 0.05 93.08 15:14:01 1 5.84 0.00 2.11 0.27 0.07 91.71 15:14:01 2 5.25 0.00 1.83 0.81 0.08 92.03 15:14:01 3 9.40 0.00 3.35 0.71 0.05 86.50 15:14:01 4 3.51 0.00 2.10 4.14 0.07 90.18 15:14:01 5 2.91 0.00 2.49 4.22 0.07 90.31 15:14:01 6 6.66 0.00 1.55 2.60 0.08 89.11 15:14:01 7 7.26 0.00 2.31 16.35 0.08 74.00 15:15:01 all 10.15 0.00 1.05 3.47 0.07 85.25 15:15:01 0 14.54 0.00 1.12 2.16 0.07 82.12 15:15:01 1 11.54 0.00 0.99 0.42 0.05 87.01 15:15:01 2 6.13 0.00 1.19 2.61 0.05 90.02 15:15:01 3 7.68 0.00 0.94 2.08 0.08 89.22 15:15:01 4 8.06 0.00 0.95 1.83 0.08 89.08 15:15:01 5 6.97 0.00 0.57 11.20 0.05 81.21 15:15:01 6 9.00 0.00 0.87 0.87 0.08 89.17 15:15:01 7 17.30 0.00 1.79 6.51 0.10 74.30 Average: all 20.28 0.10 3.94 4.81 0.09 70.78 Average: 0 22.21 0.00 4.11 3.37 0.08 70.23 Average: 1 20.86 0.00 4.11 1.68 0.08 73.28 Average: 2 19.55 0.09 4.17 7.30 0.09 68.80 Average: 3 20.76 0.00 3.98 3.41 0.09 71.76 Average: 4 18.52 0.00 3.63 4.16 0.09 73.59 Average: 5 20.29 0.00 4.06 5.91 0.08 69.65 Average: 6 20.36 0.45 3.72 3.83 0.09 71.56 Average: 7 19.71 0.23 3.77 8.82 0.09 67.38