---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-3255 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: 7975 1605 1846 0 4523 6071 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:f2:30:5a brd ff:ff:ff:ff:ff:ff inet 10.32.6.108/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86067sec preferred_lft 86067sec inet6 fe80::f816:3eff:fef2:305a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cf:90:2d:c4 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-a8c570fc86e4: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:fd:0d:3d:85 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-a8c570fc86e4 valid_lft forever preferred_lft forever inet6 fe80::42:fdff:fe0d:3d85/64 scope link valid_lft forever preferred_lft forever 6: veth680b0b3@if5: mtu 1500 qdisc noqueue master br-a8c570fc86e4 state UP group default link/ether 56:f4:c6:a7:f2:8b brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::54f4:c6ff:fea7:f28b/64 scope link valid_lft forever preferred_lft forever 8: vethe44abde@if7: mtu 1500 qdisc noqueue master br-a8c570fc86e4 state UP group default link/ether 56:bb:b9:f9:a4:f5 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::54bb:b9ff:fef9:a4f5/64 scope link valid_lft forever preferred_lft forever 10: veth0a96df2@if9: mtu 1500 qdisc noqueue master br-a8c570fc86e4 state UP group default link/ether 92:fb:3c:46:84:ad brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::90fb:3cff:fe46:84ad/64 scope link valid_lft forever preferred_lft forever 12: vethdf45e6f@if11: mtu 1500 qdisc noqueue master br-a8c570fc86e4 state UP group default link/ether 52:ff:96:6c:74:22 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::50ff:96ff:fe6c:7422/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-3255) 06/20/25 _x86_64_ (4 CPU) 00:00:01 tps rtps wtps bread/s bwrtn/s 00:01:01 152.12 69.00 83.12 5593.47 40255.48 00:02:01 61.62 0.15 61.47 26.12 8954.32 00:03:01 148.68 13.35 135.33 2275.75 73096.62 00:04:01 80.35 3.22 77.14 470.45 32849.59 00:05:01 24.52 0.32 24.20 23.04 1534.53 Average: 93.68 17.26 76.42 1683.00 31434.97 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:01:01 5858836 7400700 2308584 28.27 37576 1683816 993600 10.78 605684 1531492 65536 00:02:01 5650524 7444156 2516896 30.82 58468 1899088 939964 10.20 568188 1745776 103332 00:03:01 3614124 7374560 4553296 55.75 85748 3776340 1127572 12.23 820692 3436776 443900 00:04:01 1920860 6234320 6246560 76.48 99192 4277212 4103400 44.52 2120552 3769176 1688 00:05:01 1906232 6229224 6261188 76.66 101368 4283740 4130040 44.81 2131744 3770904 9368 Average: 3790115 6936592 4377305 53.59 76470 3184039 2258915 24.51 1249372 2850825 124765 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:01:01 ens3 454.83 253.07 1304.88 67.52 0.00 0.00 0.00 0.00 00:01:01 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 00:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:02:01 ens3 51.29 42.36 655.19 5.44 0.00 0.00 0.00 0.00 00:02:01 lo 0.53 0.53 0.04 0.04 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 00:03:01 ens3 1977.00 738.64 15538.49 75.56 0.00 0.00 0.00 0.00 00:03:01 lo 4.43 4.43 0.53 0.53 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 br-a8c570fc86e4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:04:01 ens3 395.50 243.89 4966.34 29.19 0.00 0.00 0.00 0.00 00:04:01 veth680b0b3 3.42 4.28 0.37 0.49 0.00 0.00 0.00 0.00 00:04:01 lo 4.83 4.83 0.46 0.46 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 00:05:01 ens3 19.15 15.84 15.91 6.41 0.00 0.00 0.00 0.00 00:05:01 veth680b0b3 9.40 9.71 0.93 1.27 0.00 0.00 0.00 0.00 00:05:01 lo 0.75 0.75 0.07 0.07 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 Average: ens3 581.38 259.55 4510.84 36.92 0.00 0.00 0.00 0.00 Average: veth680b0b3 2.54 2.78 0.26 0.35 0.00 0.00 0.00 0.00 Average: lo 2.33 2.33 0.24 0.24 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 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-3255) 06/20/25 _x86_64_ (4 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:01:01 all 19.31 0.00 2.70 4.73 1.03 72.24 00:01:01 0 29.33 0.00 5.27 3.90 1.40 60.10 00:01:01 1 16.42 0.00 1.37 5.98 0.87 75.36 00:01:01 2 14.23 0.00 1.90 6.28 0.87 76.73 00:01:01 3 17.24 0.00 2.29 2.76 0.99 76.73 00:02:01 all 21.09 0.00 1.16 1.38 0.83 75.54 00:02:01 0 10.21 0.00 0.55 0.07 0.38 88.79 00:02:01 1 11.24 0.00 0.58 0.91 1.10 86.17 00:02:01 2 2.54 0.00 0.50 4.26 0.18 92.52 00:02:01 3 60.56 0.00 2.97 0.27 1.67 34.53 00:03:01 all 35.91 0.00 9.81 2.49 2.65 49.15 00:03:01 0 30.98 0.00 8.68 2.73 2.32 55.29 00:03:01 1 37.67 0.00 9.03 1.89 2.55 48.86 00:03:01 2 32.77 0.00 10.21 1.62 2.80 52.61 00:03:01 3 42.28 0.00 11.36 3.71 2.93 39.72 00:04:01 all 44.33 0.00 5.73 2.00 2.55 45.39 00:04:01 0 43.77 0.00 4.62 4.09 2.51 45.01 00:04:01 1 44.02 0.00 6.13 1.34 2.45 46.06 00:04:01 2 45.26 0.00 5.73 1.78 2.46 44.77 00:04:01 3 44.33 0.00 6.41 0.77 2.73 45.76 00:05:01 all 22.41 0.00 1.29 0.70 1.52 74.09 00:05:01 0 15.92 0.00 0.99 0.45 1.45 81.18 00:05:01 1 26.17 0.00 1.16 0.19 1.78 70.70 00:05:01 2 14.30 0.00 1.25 0.29 1.38 82.78 00:05:01 3 33.24 0.00 1.79 1.89 1.45 61.62 Average: all 28.58 0.00 4.12 2.26 1.71 63.32 Average: 0 26.03 0.00 4.02 2.25 1.61 66.09 Average: 1 27.04 0.00 3.64 2.07 1.75 65.51 Average: 2 21.78 0.00 3.90 2.85 1.53 69.93 Average: 3 39.53 0.00 4.95 1.87 1.95 51.70