---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-43825 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 624 10515 4 4848 15022 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:1e:5b:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.249/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84791sec preferred_lft 84791sec inet6 fe80::f816:3eff:fe1e:5be9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:f4:9e:4f:3d:c8 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-43825) 03/25/26 _x86_64_ (4 CPU) 10:44:19 LINUX RESTART (4 CPU) 10:50:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:06 3.98 0.07 3.74 0.17 7.20 633.42 322.35 11:10:06 31.30 12.40 17.36 1.55 150.57 2565.23 5308.77 Average: 17.74 6.28 10.60 0.87 79.40 1606.19 2833.26 10:50:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:06 9644164 12659076 3304476 20.18 113532 3063312 3534908 20.29 500632 5882736 812 11:10:06 10865120 15460524 495936 3.03 136312 4546856 995796 5.72 905272 4158656 1067244 Average: 10254642 14059800 1900206 11.61 124922 3805084 2265352 13.00 702952 5020696 534028 10:50:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:06 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 11:00:06 ens3 9.73 7.89 36.86 2.29 0.00 0.00 0.00 0.00 11:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:06 lo 437.69 437.69 416.52 416.52 0.00 0.00 0.00 0.00 11:10:06 ens3 44.38 33.76 482.99 5.56 0.00 0.00 0.00 0.00 11:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 220.70 220.70 209.93 209.93 0.00 0.00 0.00 0.00 Average: ens3 27.18 20.92 261.51 3.94 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-43825) 03/25/26 _x86_64_ (4 CPU) 10:44:19 LINUX RESTART (4 CPU) 10:50:16 CPU %user %nice %system %iowait %steal %idle 11:00:06 all 48.70 0.00 0.73 0.01 0.10 50.45 11:00:06 0 44.08 0.00 0.69 0.01 0.09 55.12 11:00:06 1 53.20 0.00 0.77 0.01 0.10 45.92 11:00:06 2 51.53 0.00 0.85 0.02 0.10 47.51 11:00:06 3 46.01 0.00 0.63 0.01 0.09 53.27 11:10:06 all 52.55 0.08 1.49 0.11 0.10 45.67 11:10:06 0 40.61 0.00 1.39 0.03 0.09 57.88 11:10:06 1 58.28 0.34 1.40 0.28 0.10 39.60 11:10:06 2 68.65 0.00 1.67 0.06 0.11 29.52 11:10:06 3 42.69 0.00 1.48 0.06 0.10 55.66 Average: all 50.64 0.04 1.11 0.06 0.10 48.05 Average: 0 42.33 0.00 1.04 0.02 0.09 56.51 Average: 1 55.75 0.17 1.09 0.15 0.10 42.74 Average: 2 60.13 0.00 1.26 0.04 0.10 38.47 Average: 3 44.34 0.00 1.06 0.03 0.09 54.48