---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21971 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: 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: 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 67G 15% / 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 716 9457 4 5815 14930 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:16:f8:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.132/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84690sec preferred_lft 84690sec inet6 fe80::f816:3eff:fe16:f8ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:94:15:32:65:a6 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-21971) 05/31/26 _x86_64_ (4 CPU) 15:47:08 LINUX RESTART (4 CPU) 15:50:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:30 28.47 0.80 24.86 2.82 227.21 4266.17 11572.84 16:10:00 29.10 0.05 26.13 2.91 1.70 6191.86 10843.38 Average: 28.78 0.43 25.48 2.87 117.29 5204.82 11217.28 15:50:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:30 9529304 13458448 2496328 15.25 160916 3848172 2677380 15.37 787204 5602664 7496 16:10:00 7575112 12926364 3022684 18.46 192808 5166892 3213188 18.44 1093568 7195308 28668 Average: 8552208 13192406 2759506 16.85 176862 4507532 2945284 16.91 940386 6398986 18082 15:50:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:30 lo 1090.56 1090.56 1039.07 1039.07 0.00 0.00 0.00 0.00 16:00:30 ens3 75.27 59.31 388.56 14.98 0.00 0.00 0.00 0.00 16:00:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:00 lo 1038.87 1038.87 989.83 989.83 0.00 0.00 0.00 0.00 16:10:00 ens3 63.14 47.68 246.10 13.13 0.00 0.00 0.00 0.00 16:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1065.36 1065.36 1015.07 1015.07 0.00 0.00 0.00 0.00 Average: ens3 69.35 53.64 319.12 14.08 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-21971) 05/31/26 _x86_64_ (4 CPU) 15:47:08 LINUX RESTART (4 CPU) 15:50:30 CPU %user %nice %system %iowait %steal %idle 16:00:30 all 64.28 0.00 2.33 0.07 0.11 33.21 16:00:30 0 63.09 0.00 2.40 0.07 0.11 34.34 16:00:30 1 62.79 0.00 2.43 0.15 0.11 34.52 16:00:30 2 66.28 0.00 2.11 0.03 0.11 31.48 16:00:30 3 64.95 0.00 2.39 0.05 0.11 32.50 16:10:00 all 57.20 0.00 2.25 0.23 0.10 40.23 16:10:00 0 53.81 0.00 2.07 0.05 0.10 43.97 16:10:00 1 58.16 0.00 2.38 0.77 0.10 38.58 16:10:00 2 56.08 0.00 2.00 0.05 0.10 41.77 16:10:00 3 60.73 0.00 2.53 0.04 0.11 36.60 Average: all 60.83 0.00 2.29 0.15 0.10 36.63 Average: 0 58.57 0.00 2.24 0.06 0.10 39.03 Average: 1 60.53 0.00 2.41 0.45 0.11 36.50 Average: 2 61.31 0.00 2.06 0.04 0.10 36.49 Average: 3 62.89 0.00 2.46 0.04 0.11 34.50