---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46 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/core24/1237 /dev/loop2 22M 22M 0 100% /snap/helm/491 ---> free -m: total used free shared buff/cache available Mem: 32167 1610 23941 2 6615 30100 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:eb:10:bb brd ff:ff:ff:ff:ff:ff inet 10.30.107.1/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86066sec preferred_lft 86066sec inet6 fe80::f816:3eff:feeb:10bb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6b:39:8a:93 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::42:6bff:fe39:8a93/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 36:f1:f0:3f:99:2a 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::34f1:f0ff:fe3f:992a/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether b2:ae:e5:2e:59:75 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::b0ae:e5ff:fe2e:5975/64 scope link valid_lft forever preferred_lft forever 6: vethb8fab208@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 72:20:26:75:63:e5 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::7020:26ff:fe75:63e5/64 scope link valid_lft forever preferred_lft forever 7: vethe692a1b9@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ba:53:31:78:d3:ca brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::b853:31ff:fe78:d3ca/64 scope link valid_lft forever preferred_lft forever 8: vethac097081@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 7a:57:67:da:aa:aa brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::7857:67ff:feda:aaaa/64 scope link valid_lft forever preferred_lft forever 13: veth23fd3e1b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ca:70:0b:e5:98:64 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::c870:bff:fee5:9864/64 scope link valid_lft forever preferred_lft forever 14: veth60abbf70@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 6a:51:69:07:94:d7 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::6851:69ff:fe07:94d7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46) 12/16/25 _x86_64_ (8 CPU) 08:25:44 LINUX RESTART (8 CPU) 08:26:01 tps rtps wtps bread/s bwrtn/s 08:27:01 501.73 132.98 368.76 7978.54 141165.94 08:28:01 479.90 2.93 476.97 367.81 151874.29 08:29:01 156.59 3.27 153.32 436.73 58170.97 08:30:01 140.14 20.00 120.15 759.47 57935.68 08:31:01 116.88 2.50 114.38 88.39 11140.14 Average: 279.05 32.33 246.72 1926.19 84057.40 08:26:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:27:01 27868188 31178928 5071024 15.40 72832 3503424 2462428 7.48 1772124 2889732 1262600 08:28:01 25769340 30811640 7169872 21.77 137196 4990700 3069696 9.32 2457688 4096792 442044 08:29:01 26332460 31003392 6606752 20.06 140008 4729040 2747388 8.34 2296044 3812808 68 08:30:01 24868748 30843300 8070464 24.50 189128 5926268 3510092 10.66 2692892 4801092 42740 08:31:01 24499872 30810704 8439340 25.62 203712 6209596 3551684 10.78 2750236 5071588 135148 Average: 25867722 30929593 7071490 21.47 148575 5071806 3068258 9.31 2393797 4134402 376520 08:26:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:27:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:27:01 vethe692a1b9 1.05 1.40 0.25 0.59 0.00 0.00 0.00 0.00 08:27:01 vethb8fab208 0.42 0.88 0.09 0.18 0.00 0.00 0.00 0.00 08:28:01 veth60abbf70 3.93 3.45 0.77 2.15 0.00 0.00 0.00 0.00 08:28:01 docker0 216.40 316.25 15.94 1581.32 0.00 0.00 0.00 0.00 08:28:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:01 vethe692a1b9 7.72 9.88 3.12 3.03 0.00 0.00 0.00 0.00 08:29:01 veth60abbf70 1.38 1.50 0.11 0.17 0.00 0.00 0.00 0.00 08:29:01 docker0 5.50 7.90 0.38 18.95 0.00 0.00 0.00 0.00 08:29:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:29:01 vethe692a1b9 7.17 8.38 2.77 1.70 0.00 0.00 0.00 0.00 08:30:01 veth60abbf70 1.68 1.95 0.13 0.57 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 vethe692a1b9 7.50 8.57 2.80 1.91 0.00 0.00 0.00 0.00 08:31:01 veth60abbf70 1.35 1.50 0.11 0.17 0.00 0.00 0.00 0.00 08:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:31:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:31:01 vethe692a1b9 7.43 8.25 2.79 1.70 0.00 0.00 0.00 0.00 Average: veth60abbf70 1.67 1.68 0.23 0.61 0.00 0.00 0.00 0.00 Average: docker0 44.38 64.84 3.27 320.05 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 Average: vethe692a1b9 6.17 7.30 2.35 1.79 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46) 12/16/25 _x86_64_ (8 CPU) 08:25:44 LINUX RESTART (8 CPU) 08:26:01 CPU %user %nice %system %iowait %steal %idle 08:27:01 all 13.95 0.58 4.24 2.93 0.06 78.24 08:27:01 0 16.54 0.00 4.76 7.76 0.07 70.87 08:27:01 1 10.59 3.16 3.78 2.05 0.07 80.35 08:27:01 2 12.28 0.02 3.69 0.92 0.05 83.04 08:27:01 3 10.27 0.00 4.13 5.94 0.07 79.60 08:27:01 4 11.77 1.50 4.12 1.01 0.05 81.55 08:27:01 5 19.65 0.00 5.95 2.39 0.05 71.96 08:27:01 6 14.27 0.00 3.58 1.28 0.07 80.81 08:27:01 7 16.17 0.00 3.84 2.13 0.07 77.79 08:28:01 all 43.02 0.00 6.78 2.51 0.09 47.60 08:28:01 0 41.21 0.00 6.95 2.64 0.08 49.12 08:28:01 1 42.18 0.00 6.16 1.46 0.08 50.12 08:28:01 2 43.06 0.00 6.70 2.48 0.08 47.68 08:28:01 3 42.24 0.00 8.05 1.27 0.07 48.37 08:28:01 4 42.78 0.00 6.24 0.97 0.10 49.91 08:28:01 5 46.57 0.00 6.35 3.33 0.08 43.67 08:28:01 6 42.77 0.00 6.66 2.46 0.08 48.02 08:28:01 7 43.38 0.00 7.13 5.49 0.08 43.92 08:29:01 all 40.66 0.22 6.52 0.70 0.08 51.82 08:29:01 0 38.19 0.00 7.23 0.29 0.08 54.21 08:29:01 1 38.28 0.00 6.11 0.52 0.08 55.00 08:29:01 2 43.17 0.00 6.88 0.13 0.08 49.73 08:29:01 3 39.17 0.00 6.50 0.20 0.08 54.05 08:29:01 4 40.07 0.00 5.85 0.38 0.08 53.62 08:29:01 5 39.34 0.30 6.21 1.38 0.08 52.68 08:29:01 6 47.32 0.00 7.24 2.14 0.08 43.21 08:29:01 7 39.74 1.43 6.21 0.52 0.07 52.03 08:30:01 all 8.10 0.00 3.76 0.92 0.08 87.14 08:30:01 0 7.25 0.00 4.80 0.40 0.07 87.48 08:30:01 1 6.87 0.00 5.09 2.25 0.07 85.72 08:30:01 2 8.20 0.00 3.78 0.25 0.07 87.70 08:30:01 3 13.42 0.00 3.67 0.19 0.07 82.66 08:30:01 4 6.30 0.00 3.00 0.12 0.08 90.50 08:30:01 5 7.01 0.00 2.76 0.38 0.08 89.77 08:30:01 6 6.46 0.00 3.66 3.28 0.08 86.51 08:30:01 7 9.38 0.00 3.25 0.54 0.08 86.75 08:31:01 all 12.04 0.00 1.32 0.55 0.06 86.02 08:31:01 0 4.86 0.00 1.10 0.02 0.03 93.99 08:31:01 1 12.91 0.00 1.37 0.07 0.07 85.59 08:31:01 2 7.22 0.00 1.19 0.27 0.07 91.25 08:31:01 3 16.64 0.00 0.95 0.52 0.07 81.83 08:31:01 4 8.26 0.00 0.90 0.30 0.08 90.45 08:31:01 5 13.50 0.00 1.35 0.32 0.08 84.75 08:31:01 6 18.23 0.00 1.86 1.79 0.07 78.06 08:31:01 7 14.74 0.00 1.82 1.14 0.07 82.24 Average: all 23.52 0.16 4.52 1.52 0.07 70.21 Average: 0 21.54 0.00 4.96 2.22 0.07 71.22 Average: 1 22.11 0.63 4.50 1.27 0.07 71.42 Average: 2 22.75 0.00 4.44 0.81 0.07 71.92 Average: 3 24.33 0.00 4.65 1.62 0.07 69.32 Average: 4 21.87 0.30 4.02 0.56 0.08 73.17 Average: 5 25.16 0.06 4.52 1.55 0.08 68.63 Average: 6 25.76 0.00 4.60 2.19 0.08 67.37 Average: 7 24.66 0.29 4.45 1.96 0.07 68.58