---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53112 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 673 10158 4 5157 14973 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:d0:5b:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84352sec preferred_lft 84352sec inet6 fe80::f816:3eff:fed0:5b31/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:89:89:7f:b5:07 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-53112) 03/26/26 _x86_64_ (4 CPU) 09:13:09 LINUX RESTART (4 CPU) 09:20:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 12.69 1.97 9.92 0.80 127.29 2775.79 36.84 09:40:00 44.18 0.81 26.26 17.11 28.51 3427.26 248077.69 Average: 28.62 1.38 18.19 9.06 77.31 3105.44 125548.91 09:20:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10480396 14048156 1911268 11.67 136828 3556656 2513668 14.43 751300 4766236 25980 09:40:00 8663368 13178804 2772200 16.93 175468 4386168 2882024 16.54 992648 6229732 51152 Average: 9571882 13613480 2341734 14.30 156148 3971412 2697846 15.49 871974 5497984 38566 09:20:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1.14 1.14 0.12 0.12 0.00 0.00 0.00 0.00 09:30:01 ens3 89.46 73.26 610.65 18.63 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:00 lo 1515.77 1515.77 1444.54 1444.54 0.00 0.00 0.00 0.00 09:40:00 ens3 71.91 54.13 434.21 16.10 0.00 0.00 0.00 0.00 09:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 767.56 767.56 731.02 731.02 0.00 0.00 0.00 0.00 Average: ens3 80.58 63.58 521.37 17.35 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-53112) 03/26/26 _x86_64_ (4 CPU) 09:13:09 LINUX RESTART (4 CPU) 09:20:16 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 57.21 0.00 1.92 0.18 0.13 40.56 09:30:01 0 55.67 0.00 2.11 0.09 0.12 42.01 09:30:01 1 59.61 0.00 1.94 0.10 0.13 38.22 09:30:01 2 58.81 0.00 1.94 0.32 0.13 38.80 09:30:01 3 54.76 0.00 1.71 0.22 0.12 43.18 09:40:00 all 69.83 0.00 2.76 0.25 0.17 27.00 09:40:00 0 68.45 0.00 2.59 0.28 0.16 28.52 09:40:00 1 70.08 0.00 2.99 0.32 0.17 26.44 09:40:00 2 70.07 0.00 2.49 0.22 0.16 27.05 09:40:00 3 70.75 0.00 2.96 0.16 0.17 25.97 Average: all 63.59 0.00 2.35 0.21 0.15 33.70 Average: 0 62.13 0.00 2.35 0.19 0.14 35.18 Average: 1 64.90 0.00 2.47 0.21 0.15 32.26 Average: 2 64.50 0.00 2.22 0.27 0.15 32.86 Average: 3 62.84 0.00 2.34 0.19 0.15 34.49