---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4634 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 688 10429 4 4871 14958 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:ff:db:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84635sec preferred_lft 84635sec inet6 fe80::f816:3eff:feff:db7a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:a8:78:99:cf:69 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-4634) 04/19/26 _x86_64_ (4 CPU) 14:38:20 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:02 28.89 2.31 12.86 13.72 140.45 3211.41 240226.45 15:00:02 13.72 0.80 11.82 1.10 27.33 2712.01 2749.73 Average: 21.31 1.55 12.34 7.42 83.95 2961.99 121618.56 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:02 11085180 14147180 1814556 11.08 122700 3092080 2203364 12.65 532048 4407784 30696 15:00:02 8494920 12754376 3197688 19.53 166596 4144764 3398160 19.51 773452 6635964 409780 Average: 9790050 13450778 2506122 15.31 144648 3618422 2800762 16.08 652750 5521874 220238 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:02 lo 0.64 0.64 0.07 0.07 0.00 0.00 0.00 0.00 14:50:02 ens3 74.68 59.20 670.45 12.26 0.00 0.00 0.00 0.00 14:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:02 lo 71.52 71.52 66.97 66.97 0.00 0.00 0.00 0.00 15:00:02 ens3 90.65 65.58 420.44 18.67 0.00 0.00 0.00 0.00 15:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 36.04 36.04 33.48 33.48 0.00 0.00 0.00 0.00 Average: ens3 82.66 62.39 545.58 15.47 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-4634) 04/19/26 _x86_64_ (4 CPU) 14:38:20 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:02 all 25.70 0.00 1.00 0.08 0.05 73.18 14:50:02 0 24.39 0.00 0.73 0.07 0.05 74.76 14:50:02 1 25.99 0.00 0.91 0.04 0.05 73.02 14:50:02 2 26.42 0.00 1.37 0.06 0.05 72.09 14:50:02 3 26.01 0.00 0.98 0.13 0.05 72.83 15:00:02 all 71.55 0.00 2.27 0.03 0.10 26.05 15:00:02 0 68.49 0.00 2.38 0.04 0.10 28.99 15:00:02 1 72.56 0.00 2.32 0.03 0.11 24.99 15:00:02 2 72.26 0.00 2.25 0.02 0.11 25.36 15:00:02 3 72.90 0.00 2.12 0.02 0.10 24.86 Average: all 48.59 0.00 1.63 0.05 0.08 49.65 Average: 0 46.40 0.00 1.56 0.05 0.08 51.92 Average: 1 49.25 0.00 1.61 0.03 0.08 49.03 Average: 2 49.30 0.00 1.81 0.04 0.08 48.77 Average: 3 49.40 0.00 1.55 0.08 0.08 48.90