---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-458964 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: 5599.94 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 633 10574 4 4781 15013 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:59:f4:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84749sec preferred_lft 84749sec inet6 fe80::f816:3eff:fe59:f4dd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:43:2f:c6:61:66 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-458964) 03/13/26 _x86_64_ (4 CPU) 07:12:59 LINUX RESTART (4 CPU) 07:20:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:01 3.21 0.07 2.97 0.17 7.29 633.13 252.66 07:40:01 22.86 0.58 20.06 2.22 26.88 4766.58 14712.93 Average: 13.14 0.33 11.60 1.20 17.20 2722.31 7561.35 07:20:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:01 9583480 12594560 3368776 20.58 113464 3059836 3549968 20.38 501388 5945120 956 07:40:01 10790336 15330716 626828 3.83 136316 4507420 1123664 6.45 877172 4286360 421888 Average: 10186908 13962638 1997802 12.20 124890 3783628 2336816 13.41 689280 5115740 211422 07:20:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:01 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 07:30:01 ens3 10.93 8.34 37.08 2.31 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 435.65 435.65 414.82 414.82 0.00 0.00 0.00 0.00 07:40:01 ens3 50.96 38.95 485.70 18.05 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 220.50 220.50 209.85 209.85 0.00 0.00 0.00 0.00 Average: ens3 31.16 23.81 263.83 10.27 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-458964) 03/13/26 _x86_64_ (4 CPU) 07:12:59 LINUX RESTART (4 CPU) 07:20:14 CPU %user %nice %system %iowait %steal %idle 07:30:01 all 49.15 0.00 0.67 0.02 0.07 50.08 07:30:01 0 54.43 0.00 0.82 0.02 0.08 44.66 07:30:01 1 43.20 0.00 0.62 0.02 0.07 56.09 07:30:01 2 38.11 0.00 0.54 0.03 0.07 61.25 07:30:01 3 60.95 0.00 0.71 0.02 0.07 38.26 07:40:01 all 54.59 0.00 1.40 0.12 0.08 43.80 07:40:01 0 62.72 0.00 1.28 0.04 0.09 35.87 07:40:01 1 56.65 0.00 1.54 0.14 0.09 41.58 07:40:01 2 49.73 0.00 1.58 0.08 0.08 48.52 07:40:01 3 49.24 0.00 1.20 0.24 0.07 49.25 Average: all 51.90 0.00 1.04 0.07 0.08 46.91 Average: 0 58.62 0.00 1.05 0.03 0.08 40.21 Average: 1 49.99 0.00 1.09 0.08 0.08 48.76 Average: 2 43.96 0.00 1.06 0.05 0.07 54.84 Average: 3 55.03 0.00 0.96 0.13 0.07 43.81