---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8252 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 683 10298 4 5007 14963 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:e5:aa:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84516sec preferred_lft 84516sec inet6 fe80::f816:3eff:fee5:aa9d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:e8:0d:d6:e2:2a 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-8252) 03/23/26 _x86_64_ (4 CPU) 07:11:37 LINUX RESTART (4 CPU) 07:20:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:23 3.66 0.07 3.45 0.14 7.09 515.73 19.68 07:40:01 13.21 0.53 11.81 0.86 19.66 2040.97 3030.36 Average: 8.34 0.30 7.55 0.49 13.26 1264.02 1496.74 07:20:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:23 10361424 13559500 2403284 14.68 115284 3244880 2631364 15.10 628892 5041484 1464 07:40:01 8758676 12673512 3285032 20.06 134484 3903080 3345656 19.20 838372 6392776 272284 Average: 9560050 13116506 2844158 17.37 124884 3573980 2988510 17.15 733632 5717130 136874 07:20:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:23 lo 0.58 0.58 0.38 0.38 0.00 0.00 0.00 0.00 07:30:23 ens3 8.42 6.85 34.82 1.94 0.00 0.00 0.00 0.00 07:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 300.66 300.66 286.41 286.41 0.00 0.00 0.00 0.00 07:40:01 ens3 31.97 24.18 424.55 3.53 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 147.81 147.81 140.70 140.70 0.00 0.00 0.00 0.00 Average: ens3 19.97 15.35 226.02 2.72 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-8252) 03/23/26 _x86_64_ (4 CPU) 07:11:37 LINUX RESTART (4 CPU) 07:20:23 CPU %user %nice %system %iowait %steal %idle 07:30:23 all 47.78 0.00 0.66 0.15 0.11 51.30 07:30:23 0 46.83 0.00 0.52 0.02 0.10 52.53 07:30:23 1 42.11 0.00 0.59 0.02 0.11 57.16 07:30:23 2 55.46 0.00 0.71 0.14 0.11 43.59 07:30:23 3 46.74 0.00 0.84 0.41 0.11 51.91 07:40:01 all 54.71 0.00 1.20 0.52 0.13 43.44 07:40:01 0 44.44 0.00 1.24 0.43 0.13 53.76 07:40:01 1 44.67 0.00 1.00 0.69 0.11 53.54 07:40:01 2 64.01 0.00 1.32 0.18 0.15 34.33 07:40:01 3 65.77 0.00 1.24 0.77 0.14 32.08 Average: all 51.18 0.00 0.93 0.33 0.12 47.44 Average: 0 45.66 0.00 0.87 0.22 0.11 53.13 Average: 1 43.37 0.00 0.79 0.35 0.11 55.38 Average: 2 59.65 0.00 1.01 0.16 0.13 39.05 Average: 3 56.06 0.00 1.04 0.58 0.13 42.19