---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-1639 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev tmpfs 798M 992K 797M 1% /run /dev/vda1 20G 12G 8.1G 58% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 5.3M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7976 1663 1772 0 4540 6013 Swap: 1023 0 1023 ---> 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 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:dd:80:86 brd ff:ff:ff:ff:ff:ff inet 10.32.7.223/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86058sec preferred_lft 86058sec inet6 fe80::f816:3eff:fedd:8086/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7c:51:60:3c 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 4: br-8735f7b17d43: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:f2:9a:b8:2e brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-8735f7b17d43 valid_lft forever preferred_lft forever inet6 fe80::42:f2ff:fe9a:b82e/64 scope link valid_lft forever preferred_lft forever 6: veth351bf38@if5: mtu 1500 qdisc noqueue master br-8735f7b17d43 state UP group default link/ether f6:b8:af:c2:0b:f4 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::f4b8:afff:fec2:bf4/64 scope link valid_lft forever preferred_lft forever 8: vethf7f2648@if7: mtu 1500 qdisc noqueue master br-8735f7b17d43 state UP group default link/ether 3e:72:19:27:61:1e brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::3c72:19ff:fe27:611e/64 scope link valid_lft forever preferred_lft forever 10: veth517bdf3@if9: mtu 1500 qdisc noqueue master br-8735f7b17d43 state UP group default link/ether ae:10:b8:63:7b:48 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::ac10:b8ff:fe63:7b48/64 scope link valid_lft forever preferred_lft forever 12: vethd943df0@if11: mtu 1500 qdisc noqueue master br-8735f7b17d43 state UP group default link/ether 62:4b:3d:e8:e4:6d brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::604b:3dff:fee8:e46d/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1639) 08/22/25 _x86_64_ (4 CPU) 00:00:01 tps rtps wtps bread/s bwrtn/s 00:01:01 152.06 69.07 82.99 5601.87 40221.58 00:02:01 56.18 0.27 55.91 29.86 8433.99 00:03:01 151.67 13.11 138.55 2249.65 74433.99 00:04:01 78.34 2.92 75.42 439.39 32885.99 00:05:01 22.85 0.50 22.35 32.26 1717.18 Average: 92.22 17.17 75.05 1670.57 31539.20 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:01:01 5875428 7410244 2292000 28.06 37128 1678076 1007904 10.94 596712 1526864 60264 00:02:01 5611620 7380796 2555808 31.29 57200 1879412 1023836 11.11 641552 1719604 108176 00:03:01 4071676 7385716 4095752 50.15 81728 3349540 1181476 12.82 806692 3012060 240 00:04:01 1909812 6238472 6257616 76.62 99924 4289944 4161608 45.16 2118024 3782780 1532 00:05:01 1810580 6151992 6356848 77.83 102196 4298856 4250084 46.12 2213124 3785624 12580 Average: 3855823 6913444 4311605 52.79 75635 3099166 2324982 25.23 1275221 2765386 36558 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:01:01 ens3 491.78 256.22 1319.30 67.94 0.00 0.00 0.00 0.00 00:01:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 00:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:02:01 ens3 54.55 45.72 688.30 5.87 0.00 0.00 0.00 0.00 00:02:01 lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 00:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:03:01 ens3 1925.77 553.95 12013.24 60.33 0.00 0.00 0.00 0.00 00:03:01 lo 2.23 2.23 0.24 0.24 0.00 0.00 0.00 0.00 00:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:04:01 veth517bdf3 0.70 0.75 0.08 0.08 0.00 0.00 0.00 0.00 00:04:01 ens3 956.54 583.10 8517.61 54.35 0.00 0.00 0.00 0.00 00:04:01 vethf7f2648 0.80 1.28 0.09 0.13 0.00 0.00 0.00 0.00 00:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:05:01 veth517bdf3 2.07 1.08 0.29 0.13 0.00 0.00 0.00 0.00 00:05:01 ens3 21.55 17.60 17.98 7.51 0.00 0.00 0.00 0.00 00:05:01 vethf7f2648 0.10 0.15 0.00 0.01 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth517bdf3 0.55 0.37 0.07 0.04 0.00 0.00 0.00 0.00 Average: ens3 690.06 291.32 4511.41 39.20 0.00 0.00 0.00 0.00 Average: vethf7f2648 0.18 0.29 0.02 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1639) 08/22/25 _x86_64_ (4 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:01:01 all 17.99 0.00 2.86 4.50 1.06 73.58 00:01:01 0 11.04 0.00 1.38 3.60 0.77 83.21 00:01:01 1 13.24 0.00 2.14 3.94 1.10 79.58 00:01:01 2 13.64 0.00 4.79 6.81 0.98 73.78 00:01:01 3 34.07 0.00 3.14 3.67 1.39 57.73 00:02:01 all 20.81 0.00 1.17 1.60 0.84 75.57 00:02:01 0 6.07 0.00 0.37 0.05 0.60 92.91 00:02:01 1 23.90 0.00 1.72 4.89 0.80 68.69 00:02:01 2 9.92 0.00 0.63 1.13 0.71 87.61 00:02:01 3 43.46 0.00 1.97 0.33 1.27 52.97 00:03:01 all 36.56 0.00 8.46 2.59 2.93 49.46 00:03:01 0 28.27 0.00 8.57 0.70 2.58 59.88 00:03:01 1 30.62 0.00 8.92 3.92 2.91 53.63 00:03:01 2 33.09 0.00 7.07 1.01 2.98 55.86 00:03:01 3 54.36 0.00 9.30 4.77 3.26 28.31 00:04:01 all 43.18 0.00 6.78 1.90 2.59 45.56 00:04:01 0 42.56 0.00 6.47 1.56 2.46 46.96 00:04:01 1 43.44 0.00 8.22 2.42 2.65 43.27 00:04:01 2 41.70 0.00 6.02 2.55 2.52 47.21 00:04:01 3 45.03 0.00 6.37 1.08 2.72 44.81 00:05:01 all 22.44 0.00 1.29 0.75 1.71 73.81 00:05:01 0 14.24 0.00 1.13 1.49 1.54 81.59 00:05:01 1 34.86 0.00 1.61 0.48 1.81 61.25 00:05:01 2 11.18 0.00 1.19 0.95 1.63 85.05 00:05:01 3 29.46 0.00 1.25 0.08 1.89 67.32 Average: all 28.15 0.00 4.10 2.27 1.82 63.66 Average: 0 20.40 0.00 3.57 1.48 1.59 72.96 Average: 1 29.20 0.00 4.51 3.12 1.85 61.32 Average: 2 21.81 0.00 3.92 2.49 1.76 70.03 Average: 3 41.23 0.00 4.39 1.98 2.10 50.30