---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-3501 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: 5600.00 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 13G 65G 17% / 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 631 9417 4 5940 15014 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:0b:26:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.232/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84644sec preferred_lft 84644sec inet6 fe80::f816:3eff:fe0b:2647/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:4e:b0:3d:4c:5e 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-v1-8c-8g-3501) 04/03/26 _x86_64_ (4 CPU) 18:39:27 LINUX RESTART (4 CPU) 18:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:50:01 2.14 0.05 2.07 0.02 2.51 57.84 0.64 19:00:18 48.58 3.74 43.91 0.93 232.37 5254.35 928.10 Average: 25.66 1.92 23.26 0.48 118.92 2689.64 470.35 18:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:50:01 13781952 15509656 510140 3.12 54412 1901188 1134228 6.51 175444 2177272 204 19:00:18 9474712 13218836 2739984 16.73 166932 3684812 2983300 17.12 585388 5907476 624868 Average: 11628332 14364246 1625062 9.93 110672 2793000 2058764 11.82 380416 4042374 312536 18:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:50:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 18:50:01 ens3 0.74 0.39 0.55 0.38 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:18 lo 0.30 0.30 0.04 0.04 0.00 0.00 0.00 0.00 19:00:18 ens3 188.17 162.30 1129.78 38.52 0.00 0.00 0.00 0.00 19:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.21 0.21 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 95.66 82.39 572.46 19.69 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-v1-8c-8g-3501) 04/03/26 _x86_64_ (4 CPU) 18:39:27 LINUX RESTART (4 CPU) 18:40:00 CPU %user %nice %system %iowait %steal %idle 18:50:01 all 0.24 0.00 0.03 0.01 0.02 99.70 18:50:01 0 0.11 0.00 0.04 0.02 0.03 99.80 18:50:01 1 0.06 0.00 0.03 0.01 0.01 99.89 18:50:01 2 0.71 0.00 0.02 0.00 0.02 99.24 18:50:01 3 0.07 0.00 0.03 0.03 0.02 99.86 19:00:18 all 19.66 0.00 1.36 0.37 0.06 78.55 19:00:18 0 22.43 0.00 1.55 0.59 0.06 75.37 19:00:18 1 17.49 0.00 1.14 0.10 0.06 81.22 19:00:18 2 19.84 0.00 1.29 0.17 0.06 78.63 19:00:18 3 18.90 0.00 1.45 0.62 0.06 78.97 Average: all 10.07 0.00 0.70 0.19 0.04 89.00 Average: 0 11.41 0.00 0.81 0.31 0.05 87.43 Average: 1 8.89 0.00 0.59 0.05 0.04 90.44 Average: 2 10.37 0.00 0.66 0.09 0.04 88.83 Average: 3 9.60 0.00 0.75 0.33 0.04 89.29