---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26127 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 615 10633 4 4740 15031 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:f6:f4:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84749sec preferred_lft 84749sec inet6 fe80::f816:3eff:fef6:f479/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:a7:8d:94:3f:82 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-26127) 03/04/26 _x86_64_ (4 CPU) 00:25:27 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:12 16.96 0.11 3.75 13.10 8.80 626.77 236029.14 00:50:12 18.99 0.52 17.05 1.42 19.12 2356.33 11219.79 Average: 17.97 0.32 10.34 7.31 13.92 1484.33 124563.56 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:12 10621412 13550012 2413652 14.74 113276 2981448 2703768 15.52 503552 4912996 6916 00:50:12 9364908 13019640 2939208 17.95 136820 3644880 3266132 18.75 716240 5903820 272688 Average: 9993160 13284826 2676430 16.35 125048 3313164 2984950 17.13 609896 5408408 139802 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:12 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 00:40:12 ens3 12.45 8.57 35.31 2.58 0.00 0.00 0.00 0.00 00:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:12 lo 522.99 522.99 498.49 498.49 0.00 0.00 0.00 0.00 00:50:12 ens3 41.75 28.48 411.04 5.06 0.00 0.00 0.00 0.00 00:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 259.60 259.60 247.35 247.35 0.00 0.00 0.00 0.00 Average: ens3 26.98 18.44 221.61 3.81 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-26127) 03/04/26 _x86_64_ (4 CPU) 00:25:27 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:12 all 45.27 0.00 0.69 0.08 0.08 53.89 00:40:12 0 34.26 0.00 0.84 0.12 0.08 64.70 00:40:12 1 68.00 0.00 0.75 0.04 0.09 31.11 00:40:12 2 38.28 0.00 0.62 0.07 0.08 60.95 00:40:12 3 40.55 0.00 0.55 0.07 0.07 58.76 00:50:12 all 56.65 0.00 1.34 0.18 0.10 41.73 00:50:12 0 64.99 0.00 1.26 0.16 0.10 33.49 00:50:12 1 63.12 0.00 1.31 0.10 0.10 35.36 00:50:12 2 50.08 0.00 1.40 0.20 0.09 48.24 00:50:12 3 48.44 0.00 1.41 0.26 0.09 49.80 Average: all 50.91 0.00 1.01 0.13 0.09 47.86 Average: 0 49.48 0.00 1.04 0.14 0.09 49.24 Average: 1 65.58 0.00 1.03 0.07 0.10 33.22 Average: 2 44.13 0.00 1.00 0.13 0.08 54.65 Average: 3 44.47 0.00 0.98 0.16 0.08 54.31