---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41927 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 623 10569 4 4795 15023 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:9c:84:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84648sec preferred_lft 84648sec inet6 fe80::f816:3eff:fe9c:840d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:a6:02:5c:17:9e 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-41927) 03/25/26 _x86_64_ (4 CPU) 10:24:27 LINUX RESTART (4 CPU) 10:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:09 3.49 0.08 3.27 0.15 7.17 495.22 27.98 10:50:17 10.84 0.51 9.65 0.68 18.71 1788.87 1490.13 Average: 7.19 0.29 6.49 0.41 12.99 1147.70 765.46 10:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:09 8378036 11348372 4615400 28.19 112128 3024188 4737692 27.19 489892 7164352 128 10:50:17 10249040 13656004 2304360 14.07 131612 3412204 2506880 14.39 659128 5082000 10588 Average: 9313538 12502188 3459880 21.13 121870 3218196 3622286 20.79 574510 6123176 5358 10:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:09 lo 0.59 0.59 0.37 0.37 0.00 0.00 0.00 0.00 10:40:09 ens3 6.80 5.92 34.70 1.77 0.00 0.00 0.00 0.00 10:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:17 lo 174.11 174.11 165.39 165.39 0.00 0.00 0.00 0.00 10:50:17 ens3 34.05 24.77 403.39 3.54 0.00 0.00 0.00 0.00 10:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 88.11 88.11 83.60 83.60 0.00 0.00 0.00 0.00 Average: ens3 20.54 15.43 220.66 2.66 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-41927) 03/25/26 _x86_64_ (4 CPU) 10:24:27 LINUX RESTART (4 CPU) 10:30:11 CPU %user %nice %system %iowait %steal %idle 10:40:09 all 47.47 0.00 0.68 0.02 0.11 51.72 10:40:09 0 45.53 0.00 0.64 0.03 0.11 53.68 10:40:09 1 33.63 0.00 0.63 0.04 0.09 65.60 10:40:09 2 66.43 0.00 0.66 0.01 0.13 32.77 10:40:09 3 44.30 0.00 0.79 0.01 0.10 54.80 10:50:17 all 51.58 0.00 1.03 0.05 0.11 47.22 10:50:17 0 41.12 0.00 0.87 0.04 0.10 57.87 10:50:17 1 66.20 0.00 1.15 0.06 0.12 32.46 10:50:17 2 42.85 0.00 1.16 0.07 0.11 55.81 10:50:17 3 56.14 0.00 0.92 0.04 0.12 42.78 Average: all 49.54 0.00 0.85 0.04 0.11 49.45 Average: 0 43.31 0.00 0.76 0.04 0.10 55.79 Average: 1 50.06 0.00 0.89 0.05 0.11 48.89 Average: 2 54.53 0.00 0.91 0.04 0.12 44.40 Average: 3 50.27 0.00 0.86 0.02 0.11 48.74