---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21967 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): 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 11G 67G 14% / 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 711 10323 4 4953 14935 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:67:d8:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.94/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84891sec preferred_lft 84891sec inet6 fe80::f816:3eff:fe67:d872/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:45:c4:ce:03:7d 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-21967) 05/31/26 _x86_64_ (4 CPU) 14:38:20 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:11 33.20 2.86 16.09 14.25 162.55 4310.95 237900.40 15:00:11 29.37 0.90 24.49 3.98 29.91 3499.63 4182.14 Average: 31.30 1.89 20.26 9.15 96.74 3908.38 121931.31 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:11 10664584 14073404 1885272 11.51 132700 3399008 2237612 12.84 588868 4735820 20700 15:00:11 10692980 15394068 556560 3.40 174112 4553560 1058068 6.07 940288 4230892 386944 Average: 10678782 14733736 1220916 7.46 153406 3976284 1647840 9.46 764578 4483356 203822 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:11 lo 1.25 1.25 0.13 0.13 0.00 0.00 0.00 0.00 14:50:11 ens3 133.74 100.30 741.54 20.94 0.00 0.00 0.00 0.00 14:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:11 lo 1456.27 1456.27 1387.71 1387.71 0.00 0.00 0.00 0.00 15:00:11 ens3 86.77 64.97 471.15 17.87 0.00 0.00 0.00 0.00 15:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 723.22 723.22 688.63 688.63 0.00 0.00 0.00 0.00 Average: ens3 110.43 82.77 607.38 19.42 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-4c-4g-21967) 05/31/26 _x86_64_ (4 CPU) 14:38:20 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:11 all 54.83 0.00 1.90 0.07 0.08 43.11 14:50:11 0 53.78 0.00 1.77 0.06 0.08 44.31 14:50:11 1 55.98 0.00 1.72 0.02 0.09 42.19 14:50:11 2 54.28 0.00 1.95 0.14 0.09 43.54 14:50:11 3 55.30 0.00 2.16 0.06 0.08 42.39 15:00:11 all 69.34 0.00 2.66 0.05 0.10 27.85 15:00:11 0 68.64 0.00 2.61 0.05 0.10 28.61 15:00:11 1 68.44 0.00 2.56 0.04 0.10 28.87 15:00:11 2 70.19 0.00 2.72 0.06 0.10 26.93 15:00:11 3 70.08 0.00 2.77 0.05 0.09 27.01 Average: all 62.03 0.00 2.28 0.06 0.09 35.54 Average: 0 61.15 0.00 2.19 0.05 0.09 36.52 Average: 1 62.16 0.00 2.14 0.03 0.09 35.59 Average: 2 62.17 0.00 2.33 0.10 0.09 35.30 Average: 3 62.63 0.00 2.46 0.06 0.09 34.76