---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1301 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 Stepping: 0 BogoMIPS: 5599.99 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 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 19G 137G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 779 17324 4 13988 30845 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:a2:ef:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.102/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83222sec preferred_lft 83222sec inet6 fe80::f816:3eff:fea2:ef1a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:25:43:07:67:ba 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::3c25:43ff:fe07:67ba/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-164-generic (prd-ubuntu2204-docker-8c-8g-1301) 01/17/26 _x86_64_ (8 CPU) 00:05:09 LINUX RESTART (8 CPU) 00:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:00 34.84 0.64 17.94 16.26 602.68 4164.16 541804.08 00:30:22 9.34 0.28 8.53 0.53 9.61 2920.35 1836.66 00:40:22 22.89 0.19 22.34 0.36 5.08 16831.52 769.05 00:50:22 36.55 1.77 33.62 1.16 308.05 8834.33 787.41 Average: 25.71 0.72 20.51 4.49 227.59 8156.13 133199.44 00:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:00 23755928 28767200 3534172 10.75 180320 4995800 4335636 12.79 1194096 7398956 31732 00:30:22 22000144 27829672 4465148 13.59 211260 5712388 4603116 13.57 1397132 8871628 124 00:40:22 16687792 28558972 3711528 11.29 273808 11461548 3834120 11.31 3168224 12151344 910944 00:50:22 18027156 31660784 598576 1.82 292472 13131872 1448560 4.27 3780180 10095932 12 Average: 20117755 29204157 3077356 9.36 239465 8825402 3555358 10.48 2384908 9629465 235703 00:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:00 lo 4.97 4.97 0.51 0.51 0.00 0.00 0.00 0.00 00:20:00 ens3 54.69 42.19 354.26 12.18 0.00 0.00 0.00 0.00 00:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:22 lo 1.24 1.24 0.12 0.12 0.00 0.00 0.00 0.00 00:30:22 ens3 49.73 37.01 14.13 13.21 0.00 0.00 0.00 0.00 00:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:22 lo 4449.01 4449.01 4248.19 4248.19 0.00 0.00 0.00 0.00 00:40:22 ens3 64.11 50.31 312.66 13.87 0.00 0.00 0.00 0.00 00:40:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:22 lo 90.91 90.91 86.31 86.31 0.00 0.00 0.00 0.00 00:50:22 ens3 138.40 139.54 318.93 1554.40 0.00 0.00 0.00 0.00 00:50:22 docker0 125.25 112.88 1549.72 77.01 0.00 0.00 0.00 0.00 00:50:22 veth552a9c4 122.97 110.11 1551.26 16.02 0.00 0.00 0.00 0.13 Average: lo 1130.95 1130.95 1078.47 1078.47 0.00 0.00 0.00 0.00 Average: ens3 76.58 67.09 247.30 396.53 0.00 0.00 0.00 0.00 Average: docker0 31.16 28.08 385.53 19.16 0.00 0.00 0.00 0.00 Average: veth552a9c4 30.59 27.39 385.91 3.99 0.00 0.00 0.00 0.03 ---> sar -P ALL: Linux 5.15.0-164-generic (prd-ubuntu2204-docker-8c-8g-1301) 01/17/26 _x86_64_ (8 CPU) 00:05:09 LINUX RESTART (8 CPU) 00:10:10 CPU %user %nice %system %iowait %steal %idle 00:20:00 all 40.99 0.00 1.50 0.18 0.08 57.25 00:20:00 0 37.50 0.00 1.61 0.20 0.08 60.60 00:20:00 1 38.38 0.00 1.48 0.05 0.08 60.01 00:20:00 2 40.11 0.00 1.49 0.47 0.08 57.85 00:20:00 3 42.64 0.00 1.35 0.20 0.08 55.73 00:20:00 4 42.18 0.00 1.48 0.09 0.08 56.17 00:20:00 5 41.04 0.00 1.46 0.10 0.08 57.31 00:20:00 6 44.81 0.00 1.69 0.20 0.09 53.21 00:20:00 7 41.30 0.00 1.40 0.10 0.08 57.12 00:30:22 all 35.89 0.00 1.32 0.07 0.08 62.64 00:30:22 0 31.93 0.00 1.35 0.10 0.07 66.54 00:30:22 1 35.37 0.00 1.43 0.03 0.07 63.10 00:30:22 2 42.09 0.00 1.55 0.02 0.09 56.25 00:30:22 3 37.50 0.00 1.36 0.03 0.08 61.03 00:30:22 4 29.82 0.00 1.22 0.29 0.07 68.60 00:30:22 5 42.19 0.00 1.38 0.00 0.08 56.35 00:30:22 6 35.30 0.00 1.19 0.08 0.07 63.36 00:30:22 7 32.92 0.00 1.08 0.03 0.08 65.89 00:40:22 all 19.41 0.00 2.01 0.27 0.05 78.26 00:40:22 0 11.94 0.00 1.15 0.57 0.05 86.29 00:40:22 1 28.90 0.00 5.14 0.09 0.06 65.80 00:40:22 2 22.21 0.00 2.48 0.26 0.05 75.00 00:40:22 3 26.49 0.00 3.38 0.42 0.06 69.65 00:40:22 4 18.14 0.00 1.31 0.53 0.05 79.96 00:40:22 5 15.32 0.00 0.84 0.05 0.05 83.75 00:40:22 6 19.11 0.00 1.11 0.03 0.05 79.70 00:40:22 7 13.29 0.00 0.71 0.21 0.05 85.74 00:50:22 all 7.72 0.00 1.02 0.23 0.03 91.00 00:50:22 0 10.49 0.00 1.33 0.12 0.04 88.02 00:50:22 1 6.35 0.00 0.76 0.18 0.03 92.67 00:50:22 2 7.27 0.00 0.83 0.21 0.03 91.65 00:50:22 3 8.91 0.00 1.43 0.29 0.03 89.34 00:50:22 4 6.63 0.00 0.85 0.31 0.04 92.17 00:50:22 5 7.01 0.00 0.86 0.31 0.03 91.78 00:50:22 6 4.79 0.00 0.49 0.20 0.03 94.50 00:50:22 7 10.27 0.00 1.62 0.21 0.04 87.87 Average: all 26.02 0.00 1.46 0.19 0.06 72.27 Average: 0 22.98 0.00 1.36 0.25 0.06 75.35 Average: 1 27.25 0.00 2.19 0.09 0.06 70.40 Average: 2 27.99 0.00 1.58 0.24 0.06 70.13 Average: 3 28.90 0.00 1.87 0.23 0.06 68.93 Average: 4 24.15 0.00 1.21 0.31 0.06 74.27 Average: 5 26.46 0.00 1.14 0.11 0.06 72.23 Average: 6 26.00 0.00 1.12 0.12 0.06 72.69 Average: 7 24.44 0.00 1.20 0.14 0.06 74.16