---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-38884 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: 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 17G 138G 11% / 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 755 19370 4 11965 30868 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:0b:44:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84466sec preferred_lft 84466sec inet6 fe80::f816:3eff:fe0b:44f9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:de:63:6f:cb:07 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::94de:63ff:fe6f:cb07/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-38884) 07/26/26 _x86_64_ (8 CPU) 00:25:44 LINUX RESTART (8 CPU) 00:30:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:26 11.86 0.43 10.59 0.84 34.44 4343.49 18529.20 00:50:15 34.91 1.93 32.03 0.96 285.58 21722.85 1981.83 Average: 23.28 1.17 21.21 0.90 158.89 12955.73 10329.25 00:30:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:26 23743140 28265780 4040344 12.29 150800 4579304 3997500 11.79 828840 7821268 20 00:50:15 20656792 31724748 554648 1.69 221684 10804648 1330232 3.92 2869216 8589580 35660 Average: 22199966 29995264 2297496 6.99 186242 7691976 2663866 7.86 1849028 8205424 17840 00:30:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:26 lo 5.69 5.69 0.54 0.54 0.00 0.00 0.00 0.00 00:40:26 ens3 56.48 38.08 395.37 10.51 0.00 0.00 0.00 0.00 00:40:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:15 lo 214.39 214.39 210.06 210.06 0.00 0.00 0.00 0.00 00:50:15 ens3 63.83 54.05 348.26 13.94 0.00 0.00 0.00 0.00 00:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 109.11 109.11 104.37 104.37 0.00 0.00 0.00 0.00 Average: ens3 60.12 45.99 372.02 12.21 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 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-38884) 07/26/26 _x86_64_ (8 CPU) 00:25:44 LINUX RESTART (8 CPU) 00:30:26 CPU %user %nice %system %iowait %steal %idle 00:40:26 all 38.92 0.00 1.41 0.10 0.09 59.47 00:40:26 0 36.00 0.00 1.17 0.07 0.09 62.67 00:40:26 1 39.83 0.00 1.47 0.27 0.10 58.33 00:40:26 2 40.76 0.00 1.67 0.04 0.10 57.43 00:40:26 3 41.12 0.00 1.54 0.02 0.09 57.23 00:40:26 4 43.58 0.00 1.32 0.04 0.10 54.96 00:40:26 5 37.92 0.00 1.31 0.02 0.09 60.66 00:40:26 6 39.09 0.00 1.49 0.21 0.09 59.12 00:40:26 7 33.09 0.00 1.29 0.17 0.09 65.37 00:50:15 all 16.75 0.00 1.27 0.74 0.06 81.18 00:50:15 0 12.12 0.00 0.95 1.63 0.06 85.24 00:50:15 1 19.94 0.00 1.49 0.36 0.06 78.14 00:50:15 2 18.10 0.00 1.19 0.52 0.06 80.13 00:50:15 3 17.61 0.00 1.34 0.48 0.06 80.51 00:50:15 4 14.66 0.00 1.46 1.50 0.06 82.32 00:50:15 5 18.55 0.00 1.46 0.63 0.06 79.30 00:50:15 6 17.38 0.00 1.13 0.72 0.05 80.72 00:50:15 7 15.61 0.00 1.17 0.10 0.05 83.07 Average: all 27.94 0.00 1.34 0.42 0.08 70.23 Average: 0 24.16 0.00 1.06 0.85 0.07 73.85 Average: 1 29.97 0.00 1.48 0.32 0.08 68.15 Average: 2 29.53 0.00 1.44 0.28 0.08 68.67 Average: 3 29.47 0.00 1.44 0.24 0.08 68.76 Average: 4 29.26 0.00 1.39 0.76 0.08 68.51 Average: 5 28.32 0.00 1.39 0.32 0.07 69.90 Average: 6 28.34 0.00 1.31 0.46 0.07 69.81 Average: 7 24.43 0.00 1.23 0.14 0.07 74.14