---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-4387 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 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/26382 /dev/loop1 67M 67M 0 100% /snap/core24/1499 /dev/loop2 21M 21M 0 100% /snap/helm/500 ---> free -m: total used free shared buff/cache available Mem: 32167 1637 23883 2 6646 30072 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:22:90:4e brd ff:ff:ff:ff:ff:ff inet 10.30.106.19/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85881sec preferred_lft 85881sec inet6 fe80::f816:3eff:fe22:904e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e7:0e:06:fc 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:e7ff:fe0e:6fc/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 82:c4:80:28:cb:6b 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::80c4:80ff:fe28:cb6b/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 56:8c:ce:62:39:ae 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::548c:ceff:fe62:39ae/64 scope link valid_lft forever preferred_lft forever 6: vethc1983109@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 32:b5:5a:14:40:36 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::30b5:5aff:fe14:4036/64 scope link valid_lft forever preferred_lft forever 7: vethee389ebb@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 62:8b:52:69:22:37 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::608b:52ff:fe69:2237/64 scope link valid_lft forever preferred_lft forever 8: veth4d1905ad@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ea:66:a0:fb:c3:ad brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::e866:a0ff:fefb:c3ad/64 scope link valid_lft forever preferred_lft forever 13: veth748f3b51@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether f6:48:32:41:55:d7 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::f448:32ff:fe41:55d7/64 scope link valid_lft forever preferred_lft forever 14: vethd62695c1@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 06:04:49:b6:e8:cf brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::404:49ff:feb6:e8cf/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-4387) 03/24/26 _x86_64_ (8 CPU) 06:40:40 LINUX RESTART (8 CPU) 06:41:01 tps rtps wtps bread/s bwrtn/s 06:42:02 45.79 16.86 28.94 1650.11 41291.89 06:43:01 241.28 78.36 162.92 4503.24 56019.12 06:44:01 428.88 41.56 387.32 2233.89 99858.29 06:45:01 129.92 0.02 129.90 0.13 46889.99 06:46:01 101.72 3.15 98.57 421.93 57193.00 06:47:02 133.43 0.28 133.14 37.33 86038.06 06:48:01 92.92 22.08 70.84 753.09 28949.26 06:49:01 105.85 0.65 105.20 70.12 10409.33 Average: 159.92 20.24 139.69 1202.26 53373.01 06:41:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:42:02 31109688 32209368 1829532 5.55 37044 1393512 719508 2.12 283356 1302868 5268 06:43:01 29655208 31531032 3284012 9.97 45756 2143720 1627216 4.94 1282616 1707656 3688 06:44:01 26586864 31031820 6352356 19.29 125428 4445668 2936308 8.91 2127424 3652008 435384 06:45:01 25868216 30983052 7071004 21.47 132572 5069736 2985756 9.06 2302588 4152696 274568 06:46:01 26722960 31008504 6216260 18.87 134332 4361188 2759264 8.38 2224224 3505224 152028 06:47:02 25484292 30943616 7454928 22.63 138460 5482192 3312764 10.06 2387116 4525168 664 06:48:01 24857336 30815916 8081884 24.54 185520 5914740 3596416 10.92 2720304 4784376 39740 06:49:01 24358796 30686580 8580424 26.05 193296 6239392 3747428 11.38 2861940 5101516 178224 Average: 26830420 31151236 6108800 18.55 124051 4381268 2710582 8.23 2023696 3591439 136196 06:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:42:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:42:02 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 06:42:02 ens3 18.72 9.11 68.58 1.76 0.00 0.00 0.00 0.00 06:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:43:01 lo 57.55 57.55 16.98 16.98 0.00 0.00 0.00 0.00 06:43:01 ens3 483.05 339.65 2549.64 68.44 0.00 0.00 0.00 0.00 06:44:01 veth748f3b51 0.13 0.38 0.01 0.03 0.00 0.00 0.00 0.00 06:44:01 vethc1983109 4.50 6.00 1.70 2.40 0.00 0.00 0.00 0.00 06:44:01 veth98d69b2 193.55 253.07 17.66 1610.87 0.00 0.00 0.00 0.13 06:44:01 cni0 44.63 40.39 45.90 121.94 0.00 0.00 0.85 0.00 06:45:01 veth748f3b51 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 06:45:01 vethc1983109 6.57 7.64 2.48 1.62 0.00 0.00 0.00 0.00 06:45:01 veth98d69b2 2.24 3.72 0.22 0.40 0.00 0.00 0.00 0.00 06:45:01 cni0 10.97 12.04 2.72 2.21 0.00 0.00 0.13 0.00 06:46:01 veth748f3b51 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 06:46:01 vethc1983109 7.48 8.45 2.80 1.72 0.00 0.00 0.00 0.00 06:46:01 cni0 12.11 13.18 3.04 2.17 0.00 0.00 0.08 0.00 06:46:01 veth4d1905ad 7.53 8.92 0.78 1.20 0.00 0.00 0.00 0.00 06:47:02 veth748f3b51 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:47:02 vethc1983109 7.38 8.23 2.79 1.70 0.00 0.00 0.00 0.00 06:47:02 cni0 11.88 12.98 3.02 2.15 0.00 0.00 0.00 0.00 06:47:02 veth4d1905ad 3.00 3.22 0.28 0.28 0.00 0.00 0.00 0.00 06:48:01 veth748f3b51 0.02 0.17 0.00 0.01 0.00 0.00 0.00 0.00 06:48:01 vethc1983109 7.59 8.74 2.85 1.85 0.00 0.00 0.00 0.00 06:48:01 cni0 12.59 13.74 3.12 2.55 0.00 0.00 0.17 0.00 06:48:01 veth4d1905ad 3.20 3.52 0.29 0.38 0.00 0.00 0.00 0.00 06:49:01 veth748f3b51 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 06:49:01 vethc1983109 7.43 8.65 2.79 1.82 0.00 0.00 0.00 0.00 06:49:01 cni0 12.06 13.55 3.03 2.45 0.00 0.00 0.02 0.00 06:49:01 veth4d1905ad 3.03 3.20 0.28 0.28 0.00 0.00 0.00 0.00 Average: veth748f3b51 0.03 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethc1983109 5.13 5.97 1.93 1.39 0.00 0.00 0.00 0.00 Average: cni0 13.06 13.26 7.63 16.74 0.00 0.00 0.16 0.00 Average: veth4d1905ad 2.10 2.36 0.20 0.27 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-4387) 03/24/26 _x86_64_ (8 CPU) 06:40:40 LINUX RESTART (8 CPU) 06:41:01 CPU %user %nice %system %iowait %steal %idle 06:42:02 all 0.54 0.00 0.43 16.39 0.02 82.62 06:42:02 0 0.30 0.00 0.25 0.07 0.02 99.37 06:42:02 1 0.57 0.00 1.60 0.72 0.03 97.08 06:42:02 2 0.35 0.00 0.38 19.28 0.02 79.97 06:42:02 3 0.35 0.00 0.22 79.88 0.02 19.53 06:42:02 4 0.28 0.00 0.23 29.68 0.02 69.78 06:42:02 5 0.50 0.00 0.15 0.32 0.02 99.02 06:42:02 6 1.20 0.00 0.30 0.83 0.02 97.65 06:42:02 7 0.78 0.00 0.32 0.43 0.02 98.45 06:43:01 all 8.36 0.97 1.80 6.52 0.08 82.27 06:43:01 0 10.65 1.94 1.53 1.44 0.07 84.37 06:43:01 1 3.54 0.00 1.50 1.22 0.05 93.69 06:43:01 2 7.19 0.00 1.45 6.21 0.07 85.08 06:43:01 3 6.07 0.00 1.74 20.17 0.10 71.92 06:43:01 4 11.51 1.97 2.72 5.31 0.12 78.37 06:43:01 5 7.75 0.00 1.86 9.62 0.07 80.71 06:43:01 6 11.97 3.79 1.65 1.34 0.09 81.15 06:43:01 7 8.25 0.00 1.92 6.87 0.12 82.84 06:44:01 all 12.74 0.00 5.22 14.87 0.23 66.94 06:44:01 0 13.51 0.00 5.35 11.84 0.25 69.05 06:44:01 1 11.62 0.00 4.78 7.70 0.24 75.66 06:44:01 2 13.77 0.00 6.61 12.71 0.24 66.67 06:44:01 3 11.77 0.00 5.51 8.94 0.22 73.56 06:44:01 4 13.02 0.00 5.05 12.06 0.22 69.66 06:44:01 5 13.23 0.00 4.66 19.57 0.24 62.30 06:44:01 6 12.78 0.00 5.37 22.21 0.22 59.41 06:44:01 7 12.15 0.00 4.44 24.05 0.20 59.15 06:45:01 all 39.91 0.00 5.26 8.74 0.20 45.90 06:45:01 0 44.61 0.00 5.29 2.53 0.18 47.38 06:45:01 1 37.40 0.00 5.26 5.04 0.22 52.08 06:45:01 2 42.64 0.00 4.84 14.49 0.22 37.81 06:45:01 3 39.99 0.00 4.93 0.35 0.20 54.53 06:45:01 4 39.54 0.00 5.56 2.51 0.18 52.20 06:45:01 5 40.10 0.00 6.15 35.79 0.19 17.78 06:45:01 6 41.65 0.00 5.71 8.77 0.18 43.69 06:45:01 7 33.32 0.00 4.34 0.42 0.15 61.77 06:46:01 all 37.07 0.09 6.46 5.99 0.17 50.21 06:46:01 0 38.94 0.00 6.25 14.95 0.14 39.72 06:46:01 1 37.56 0.00 6.49 0.30 0.17 55.47 06:46:01 2 36.81 0.13 6.44 11.32 0.13 45.17 06:46:01 3 36.16 0.59 5.99 1.04 0.17 56.04 06:46:01 4 36.50 0.00 7.48 0.42 0.17 55.42 06:46:01 5 39.46 0.00 7.05 10.29 0.25 42.94 06:46:01 6 37.68 0.00 6.58 7.37 0.19 48.19 06:46:01 7 33.46 0.00 5.45 2.23 0.19 58.67 06:47:02 all 5.18 0.19 2.46 12.23 0.15 79.77 06:47:02 0 4.25 0.00 2.11 9.69 0.08 83.87 06:47:02 1 5.12 0.00 2.74 24.14 0.12 67.89 06:47:02 2 4.32 1.32 2.30 1.61 0.27 90.18 06:47:02 3 5.23 0.22 2.68 8.68 0.10 83.08 06:47:02 4 5.66 0.00 2.31 2.29 0.17 89.57 06:47:02 5 7.69 0.00 2.91 42.03 0.08 47.29 06:47:02 6 4.71 0.00 2.86 9.18 0.27 82.99 06:47:02 7 4.51 0.00 1.78 0.40 0.12 93.19 06:48:01 all 6.20 0.00 2.27 4.96 0.11 86.47 06:48:01 0 8.30 0.00 1.85 2.58 0.08 87.18 06:48:01 1 8.01 0.00 2.15 13.85 0.12 75.88 06:48:01 2 3.97 0.00 1.81 2.29 0.09 91.84 06:48:01 3 7.61 0.00 3.13 2.36 0.09 86.81 06:48:01 4 4.39 0.00 2.35 8.46 0.12 84.68 06:48:01 5 6.98 0.00 2.03 2.88 0.12 87.99 06:48:01 6 6.31 0.00 3.23 6.83 0.10 83.53 06:48:01 7 4.03 0.00 1.55 0.29 0.14 93.99 06:49:01 all 11.01 0.00 1.27 1.76 0.12 85.85 06:49:01 0 12.41 0.00 1.42 0.78 0.12 85.27 06:49:01 1 19.56 0.00 1.64 2.49 0.13 76.17 06:49:01 2 5.25 0.00 1.05 1.25 0.10 92.34 06:49:01 3 14.66 0.00 1.17 0.45 0.12 83.60 06:49:01 4 9.39 0.00 1.21 3.25 0.10 86.04 06:49:01 5 15.90 0.00 1.59 2.09 0.20 80.22 06:49:01 6 6.66 0.00 1.06 0.02 0.10 92.17 06:49:01 7 4.13 0.00 1.01 3.80 0.07 91.00 Average: all 15.12 0.16 3.14 8.95 0.13 72.50 Average: 0 16.59 0.24 3.00 5.48 0.12 74.56 Average: 1 15.40 0.00 3.27 6.92 0.14 74.27 Average: 2 14.29 0.18 3.11 8.66 0.14 73.62 Average: 3 15.26 0.10 3.17 15.31 0.13 66.04 Average: 4 15.03 0.24 3.36 8.03 0.14 73.20 Average: 5 16.43 0.00 3.29 15.32 0.15 64.81 Average: 6 15.39 0.47 3.34 7.05 0.15 73.60 Average: 7 12.56 0.00 2.60 4.80 0.12 79.92