---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19130 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 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: 5600.00 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 18G 138G 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 771 18979 4 12341 30852 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:a5:7b:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84480sec preferred_lft 84480sec inet6 fe80::f816:3eff:fea5:7b80/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:f7:40:f4:5f:e0 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::6cf7:40ff:fef4:5fe0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-19130) 05/23/26 _x86_64_ (8 CPU) 00:00:31 LINUX RESTART (8 CPU) 00:10:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 33.76 12.75 20.48 0.54 154.03 15729.83 1472.10 00:30:19 40.57 1.96 37.38 1.24 305.25 10283.27 4792.41 Average: 37.27 7.19 29.19 0.90 231.96 12923.04 3183.16 00:10:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 19422508 28198800 4090344 12.45 190992 8626648 4405000 12.99 2114792 10649760 2740 00:30:19 19621868 31576964 693564 2.11 236864 11613488 1303908 3.85 3147204 9227048 12 Average: 19522188 29887882 2391954 7.28 213928 10120068 2854454 8.42 2630998 9938404 1376 00:10:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 240.60 240.60 235.00 235.00 0.00 0.00 0.00 0.00 00:20:01 ens3 55.96 48.71 329.09 12.70 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:19 lo 12.32 12.32 1.42 1.42 0.00 0.00 0.00 0.00 00:30:19 ens3 158.41 171.60 320.57 2626.18 0.00 0.00 0.00 0.00 00:30:19 docker0 85.54 83.79 1336.26 156.90 0.00 0.00 0.00 0.00 Average: lo 122.96 122.96 114.63 114.63 0.00 0.00 0.00 0.00 Average: ens3 108.75 112.04 324.70 1359.51 0.00 0.00 0.00 0.00 Average: docker0 44.08 43.18 688.62 80.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-19130) 05/23/26 _x86_64_ (8 CPU) 00:00:31 LINUX RESTART (8 CPU) 00:10:19 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 27.51 0.04 1.24 0.17 0.07 70.97 00:20:01 0 24.36 0.02 1.17 0.15 0.07 74.23 00:20:01 1 37.15 0.00 1.57 0.11 0.07 61.10 00:20:01 2 30.63 0.09 1.44 0.22 0.07 67.55 00:20:01 3 24.41 0.20 1.12 0.20 0.07 74.01 00:20:01 4 25.76 0.00 1.11 0.15 0.06 72.92 00:20:01 5 28.15 0.01 1.29 0.16 0.07 70.33 00:20:01 6 24.14 0.00 1.28 0.33 0.06 74.18 00:20:01 7 25.49 0.00 0.98 0.02 0.06 73.46 00:30:19 all 9.22 0.00 0.99 0.19 0.04 89.56 00:30:19 0 8.99 0.00 0.91 0.46 0.04 89.59 00:30:19 1 11.05 0.00 0.77 0.17 0.05 87.97 00:30:19 2 13.05 0.00 1.39 0.09 0.04 85.43 00:30:19 3 11.87 0.00 1.68 0.09 0.05 86.31 00:30:19 4 9.65 0.00 0.98 0.17 0.04 89.15 00:30:19 5 7.40 0.00 0.96 0.18 0.04 91.42 00:30:19 6 7.64 0.00 0.63 0.30 0.04 91.39 00:30:19 7 4.08 0.00 0.61 0.07 0.04 95.19 Average: all 18.08 0.02 1.11 0.18 0.06 80.55 Average: 0 16.43 0.01 1.04 0.31 0.05 82.16 Average: 1 23.69 0.00 1.16 0.14 0.06 74.95 Average: 2 21.56 0.05 1.41 0.15 0.06 76.77 Average: 3 17.94 0.10 1.41 0.14 0.06 80.35 Average: 4 17.45 0.00 1.04 0.16 0.05 81.29 Average: 5 17.45 0.01 1.12 0.17 0.06 81.21 Average: 6 15.64 0.00 0.94 0.32 0.05 83.05 Average: 7 14.45 0.00 0.79 0.04 0.05 84.66