---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-50320 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 634 10570 4 4783 15012 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:b0:df:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.102/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84801sec preferred_lft 84801sec inet6 fe80::f816:3eff:feb0:df95/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:26:83:01:e2:54 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-50320) 03/05/26 _x86_64_ (4 CPU) 08:17:02 LINUX RESTART (4 CPU) 08:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:01 5.87 0.28 5.23 0.36 26.21 974.08 381.84 08:40:01 7.04 0.51 6.21 0.32 18.79 829.25 160.77 Average: 6.45 0.39 5.72 0.34 22.50 901.69 271.35 08:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:01 8779164 11739976 4222768 25.79 113856 3013016 4516616 25.93 497796 6755332 208 08:40:01 10253644 13632120 2327204 14.21 131864 3384200 2462216 14.13 563068 5170564 215404 Average: 9516404 12686048 3274986 20.00 122860 3198608 3489416 20.03 530432 5962948 107806 08:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:01 lo 0.65 0.65 0.38 0.38 0.00 0.00 0.00 0.00 08:30:01 ens3 23.93 16.45 160.38 2.91 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 101.93 101.93 96.44 96.44 0.00 0.00 0.00 0.00 08:40:01 ens3 36.10 25.38 409.12 3.27 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 51.27 51.27 48.39 48.39 0.00 0.00 0.00 0.00 Average: ens3 30.01 20.92 284.70 3.09 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-50320) 03/05/26 _x86_64_ (4 CPU) 08:17:02 LINUX RESTART (4 CPU) 08:20:01 CPU %user %nice %system %iowait %steal %idle 08:30:01 all 49.32 0.00 0.76 0.04 0.08 49.80 08:30:01 0 44.48 0.00 0.70 0.06 0.08 54.69 08:30:01 1 43.83 0.00 0.91 0.06 0.08 55.13 08:30:01 2 55.86 0.00 0.78 0.03 0.08 43.25 08:30:01 3 53.13 0.00 0.66 0.03 0.08 46.11 08:40:01 all 54.57 0.00 0.78 0.02 0.08 44.55 08:40:01 0 65.65 0.00 0.76 0.01 0.08 33.49 08:40:01 1 47.21 0.00 0.66 0.02 0.07 52.04 08:40:01 2 59.58 0.00 0.84 0.03 0.08 39.48 08:40:01 3 45.89 0.00 0.85 0.02 0.07 53.17 Average: all 51.95 0.00 0.77 0.03 0.08 47.18 Average: 0 55.06 0.00 0.73 0.03 0.08 44.09 Average: 1 45.52 0.00 0.78 0.04 0.08 53.59 Average: 2 57.72 0.00 0.81 0.03 0.08 41.37 Average: 3 49.50 0.00 0.76 0.02 0.07 49.64