---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6708 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 66G 16% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 631 8964 4 6393 15015 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:bf:38:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84554sec preferred_lft 84554sec inet6 fe80::f816:3eff:febf:3830/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:db:b9:f1:59:10 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-6708) 02/01/26 _x86_64_ (4 CPU) 10:39:48 LINUX RESTART (4 CPU) 10:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:17 63.28 11.91 48.95 2.42 1853.57 8920.66 13140.54 11:00:08 41.05 0.03 23.96 17.06 0.64 2373.41 255712.88 11:10:17 33.76 0.20 29.94 3.63 12.67 9107.99 10203.40 Average: 46.16 4.13 34.46 7.58 634.47 6856.64 90953.47 10:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:17 9945324 13207848 2754108 16.82 121320 3294892 2811736 16.14 723716 5350012 61900 11:00:08 9314340 12989640 2968332 18.13 143468 3650624 3027332 17.38 854780 5806808 26492 11:10:17 9237984 15429220 518980 3.17 170532 6050928 1027176 5.90 1713828 4928124 13400 Average: 9499216 13875569 2080473 12.71 145107 4332148 2288748 13.14 1097441 5361648 33931 10:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:17 lo 837.09 837.09 796.42 796.42 0.00 0.00 0.00 0.00 10:50:17 ens3 153.14 115.56 1198.81 23.98 0.00 0.00 0.00 0.00 10:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:08 lo 1317.69 1317.69 1248.75 1248.75 0.00 0.00 0.00 0.00 11:00:08 ens3 44.79 35.20 19.28 12.12 0.00 0.00 0.00 0.00 11:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:17 lo 770.49 770.49 722.55 722.55 0.00 0.00 0.00 0.00 11:10:17 ens3 120.39 117.38 169.69 1041.09 0.00 0.00 0.00 0.00 11:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 970.88 970.88 918.59 918.59 0.00 0.00 0.00 0.00 Average: ens3 106.97 90.06 470.62 361.13 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-6708) 02/01/26 _x86_64_ (4 CPU) 10:39:48 LINUX RESTART (4 CPU) 10:40:00 CPU %user %nice %system %iowait %steal %idle 10:50:17 all 34.51 0.00 1.76 0.70 0.06 62.97 10:50:17 0 33.96 0.00 1.65 0.79 0.06 63.54 10:50:17 1 34.02 0.00 1.69 0.45 0.06 63.79 10:50:17 2 37.25 0.00 1.92 0.48 0.06 60.30 10:50:17 3 32.80 0.00 1.80 1.08 0.06 64.26 11:00:08 all 64.17 0.00 2.39 0.17 0.10 33.18 11:00:08 0 63.15 0.00 2.21 0.24 0.10 34.30 11:00:08 1 63.26 0.00 2.50 0.10 0.10 34.04 11:00:08 2 64.73 0.00 2.44 0.15 0.09 32.58 11:00:08 3 65.55 0.00 2.39 0.17 0.12 31.78 11:10:17 all 43.33 0.00 1.92 0.36 0.08 54.30 11:10:17 0 45.45 0.00 2.24 0.40 0.08 51.83 11:10:17 1 45.62 0.00 1.84 0.31 0.09 52.14 11:10:17 2 43.63 0.00 1.88 0.26 0.09 54.15 11:10:17 3 38.61 0.00 1.72 0.50 0.08 59.10 Average: all 47.09 0.00 2.02 0.41 0.08 50.39 Average: 0 47.29 0.00 2.03 0.48 0.08 50.12 Average: 1 47.40 0.00 2.00 0.29 0.08 50.23 Average: 2 48.30 0.00 2.08 0.30 0.08 49.25 Average: 3 45.38 0.00 1.96 0.59 0.09 51.98