---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-48037 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 708K 3.2G 1% /run /dev/vda1 155G 13G 143G 8% / 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 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32167 860 26596 0 4710 30850 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:af:a5:1e brd ff:ff:ff:ff:ff:ff inet 10.30.106.86/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86135sec preferred_lft 86135sec inet6 fe80::f816:3eff:feaf:a51e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f9:1b:4b:b2 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 ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-48037) 09/22/25 _x86_64_ (8 CPU) 12:22:50 LINUX RESTART (8 CPU) 12:23:01 tps rtps wtps bread/s bwrtn/s 12:24:02 426.00 74.02 351.97 5337.91 130370.40 12:25:01 188.61 21.69 166.92 815.86 71148.75 12:26:01 124.38 6.58 117.80 840.93 93329.78 12:27:01 41.54 0.58 40.96 47.06 3032.43 Average: 195.16 25.74 169.42 1764.39 74484.24 12:23:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:24:02 30191996 31721928 2747224 8.34 67212 1775700 1404036 4.13 823124 1634868 160012 12:25:01 27259552 30125320 5679668 17.24 96940 3039244 3394584 9.99 2509464 2785528 995512 12:26:01 24757812 29452388 8181408 24.84 106868 4791136 7124628 20.96 3241116 4461160 652 12:27:01 27219820 31575772 5719400 17.36 109584 4464148 1489800 4.38 1170792 4108820 11108 Average: 27357295 30718852 5581925 16.95 95151 3517557 3353262 9.87 1936124 3247594 291821 12:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:24:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:24:02 ens3 385.47 263.22 1682.21 76.79 0.00 0.00 0.00 0.00 12:24:02 lo 2.00 2.00 0.22 0.22 0.00 0.00 0.00 0.00 12:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:25:01 ens3 842.81 516.30 10068.87 105.91 0.00 0.00 0.00 0.00 12:25:01 lo 3.58 3.58 0.52 0.52 0.00 0.00 0.00 0.00 12:26:01 br-ca50c6e0a5b9 5.82 11.43 0.78 0.94 0.00 0.00 0.00 0.00 12:26:01 veth81ee585 36.36 30.51 3.47 5.36 0.00 0.00 0.00 0.00 12:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:26:01 vethfbd3875 0.00 0.25 0.00 0.02 0.00 0.00 0.00 0.00 12:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:27:01 ens3 2334.78 1494.75 13711.10 387.05 0.00 0.00 0.00 0.00 12:27:01 lo 43.33 43.33 4.09 4.09 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: ens3 584.85 373.93 3440.71 97.05 0.00 0.00 0.00 0.00 Average: lo 10.12 10.12 0.97 0.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-48037) 09/22/25 _x86_64_ (8 CPU) 12:22:50 LINUX RESTART (8 CPU) 12:23:01 CPU %user %nice %system %iowait %steal %idle 12:24:02 all 9.97 0.00 1.25 2.53 0.04 86.21 12:24:02 0 4.74 0.00 0.72 0.37 0.02 94.16 12:24:02 1 3.38 0.00 0.25 2.76 0.02 93.59 12:24:02 2 4.79 0.00 0.70 3.37 0.02 91.12 12:24:02 3 2.85 0.00 1.94 0.23 0.05 94.93 12:24:02 4 30.12 0.00 3.01 4.31 0.08 62.48 12:24:02 5 16.14 0.00 1.62 0.60 0.03 81.60 12:24:02 6 8.22 0.00 1.19 8.13 0.05 82.41 12:24:02 7 9.46 0.00 0.55 0.50 0.03 89.46 12:25:01 all 25.45 0.00 2.18 0.89 0.07 71.41 12:25:01 0 13.86 0.00 1.55 0.43 0.07 84.10 12:25:01 1 16.46 0.00 1.72 0.02 0.03 81.77 12:25:01 2 24.87 0.00 2.48 0.12 0.07 72.46 12:25:01 3 30.43 0.00 1.41 2.44 0.07 65.65 12:25:01 4 30.87 0.00 2.85 0.34 0.09 65.85 12:25:01 5 37.90 0.00 2.73 0.39 0.10 58.88 12:25:01 6 28.43 0.00 2.56 2.80 0.10 66.11 12:25:01 7 20.80 0.00 2.13 0.63 0.05 76.38 12:26:01 all 8.55 0.00 2.81 1.02 0.07 87.54 12:26:01 0 9.55 0.00 2.48 0.25 0.08 87.63 12:26:01 1 7.95 0.00 2.20 0.10 0.05 89.70 12:26:01 2 7.09 0.00 5.26 0.02 0.07 87.56 12:26:01 3 7.04 0.00 1.80 0.47 0.07 90.63 12:26:01 4 9.65 0.00 2.32 0.12 0.05 87.87 12:26:01 5 11.01 0.00 3.16 6.20 0.08 79.54 12:26:01 6 8.24 0.00 3.12 0.83 0.07 87.74 12:26:01 7 7.89 0.00 2.16 0.15 0.08 89.71 12:27:01 all 7.73 0.00 0.99 0.13 0.04 91.12 12:27:01 0 8.69 0.00 1.30 0.12 0.03 89.85 12:27:01 1 1.74 0.00 0.73 0.03 0.03 97.46 12:27:01 2 29.01 0.00 1.52 0.15 0.05 69.27 12:27:01 3 2.86 0.00 0.53 0.00 0.02 96.59 12:27:01 4 3.68 0.00 0.52 0.10 0.05 95.66 12:27:01 5 7.95 0.00 1.69 0.62 0.05 89.70 12:27:01 6 2.57 0.00 0.77 0.02 0.03 96.61 12:27:01 7 5.36 0.00 0.89 0.02 0.03 93.70 Average: all 12.87 0.00 1.80 1.14 0.05 84.13 Average: 0 9.19 0.00 1.51 0.29 0.05 88.96 Average: 1 7.33 0.00 1.22 0.73 0.03 90.68 Average: 2 16.42 0.00 2.48 0.92 0.05 80.12 Average: 3 10.70 0.00 1.42 0.78 0.05 87.05 Average: 4 18.52 0.00 2.17 1.22 0.07 78.02 Average: 5 18.17 0.00 2.29 1.95 0.07 77.52 Average: 6 11.79 0.00 1.90 2.95 0.06 83.30 Average: 7 10.83 0.00 1.43 0.32 0.05 87.37