---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8299 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 639 10346 4 5003 15007 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:79:75:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84375sec preferred_lft 84375sec inet6 fe80::f816:3eff:fe79:752e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:74:5a:9c:99:96 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-8299) 03/23/26 _x86_64_ (4 CPU) 07:12:34 LINUX RESTART (4 CPU) 07:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:05 3.61 0.07 3.38 0.15 7.89 508.25 16.72 07:40:05 2.70 0.00 2.60 0.10 0.00 320.40 137.20 Average: 3.15 0.04 2.99 0.13 3.95 414.61 76.78 07:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:05 7855204 11040476 4921960 30.06 115252 3233144 5108352 29.32 626096 7546740 228 07:40:05 10216644 13528948 2432644 14.86 119312 3345760 2780688 15.96 650664 5154256 38620 Average: 9035924 12284712 3677302 22.46 117282 3289452 3944520 22.64 638380 6350498 19424 07:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:05 lo 0.59 0.59 0.38 0.38 0.00 0.00 0.00 0.00 07:30:05 ens3 7.39 6.27 34.56 1.94 0.00 0.00 0.00 0.00 07:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:05 lo 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 07:40:05 ens3 4.75 4.02 30.08 0.99 0.00 0.00 0.00 0.00 07:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.39 0.39 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 6.08 5.15 32.33 1.47 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-8299) 03/23/26 _x86_64_ (4 CPU) 07:12:34 LINUX RESTART (4 CPU) 07:20:01 CPU %user %nice %system %iowait %steal %idle 07:30:05 all 47.77 0.00 1.07 0.13 0.63 50.40 07:30:05 0 41.08 0.00 0.74 0.45 0.59 57.14 07:30:05 1 49.03 0.00 1.32 0.03 0.58 49.04 07:30:05 2 53.17 0.00 1.00 0.02 0.44 45.37 07:30:05 3 47.87 0.00 1.21 0.02 0.93 49.98 07:40:05 all 49.92 0.00 0.63 0.83 1.04 47.58 07:40:05 0 36.12 0.00 0.63 1.15 0.96 61.14 07:40:05 1 42.26 0.00 0.57 0.55 1.33 55.29 07:40:05 2 71.37 0.00 0.77 1.53 1.00 25.33 07:40:05 3 50.06 0.00 0.56 0.09 0.89 48.40 Average: all 48.84 0.00 0.85 0.48 0.84 48.99 Average: 0 38.61 0.00 0.69 0.80 0.77 59.13 Average: 1 45.65 0.00 0.94 0.29 0.95 52.17 Average: 2 62.27 0.00 0.89 0.78 0.72 35.35 Average: 3 48.96 0.00 0.89 0.05 0.91 49.19