---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32883 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 677 10425 4 4886 14969 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:43:da:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84610sec preferred_lft 84610sec inet6 fe80::f816:3eff:fe43:dafe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:7e:8f:d5:d1:d6 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-32883) 07/04/26 _x86_64_ (4 CPU) 14:38:30 LINUX RESTART (4 CPU) 14:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:11 14.57 2.86 11.16 0.55 162.14 3613.81 997.97 15:00:21 32.83 0.79 16.83 15.21 27.06 3431.47 237616.37 Average: 23.81 1.81 14.03 7.96 93.83 3521.59 120667.77 14:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:11 10836932 14026416 1935140 11.82 125724 3199344 2230536 12.80 529040 4640264 31136 15:00:21 8790452 13053144 2899232 17.71 168024 4140496 2948416 16.92 779892 6333736 90008 Average: 9813692 13539780 2417186 14.76 146874 3669920 2589476 14.86 654466 5487000 60572 14:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:11 lo 0.79 0.79 0.08 0.08 0.00 0.00 0.00 0.00 14:50:11 ens3 82.92 68.55 742.01 14.97 0.00 0.00 0.00 0.00 14:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:21 lo 678.12 678.12 645.76 645.76 0.00 0.00 0.00 0.00 15:00:21 ens3 80.14 59.97 366.97 16.88 0.00 0.00 0.00 0.00 15:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 343.35 343.35 326.63 326.63 0.00 0.00 0.00 0.00 Average: ens3 81.51 64.21 552.33 15.94 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-32883) 07/04/26 _x86_64_ (4 CPU) 14:38:30 LINUX RESTART (4 CPU) 14:40:15 CPU %user %nice %system %iowait %steal %idle 14:50:11 all 38.17 0.00 1.31 0.07 0.06 60.39 14:50:11 0 37.70 0.00 1.43 0.06 0.05 60.76 14:50:11 1 38.67 0.00 1.06 0.10 0.06 60.11 14:50:11 2 37.87 0.00 1.43 0.06 0.06 60.58 14:50:11 3 38.44 0.00 1.34 0.05 0.06 60.12 15:00:21 all 71.90 0.00 2.69 0.05 0.09 25.27 15:00:21 0 71.01 0.00 2.59 0.04 0.10 26.27 15:00:21 1 70.42 0.00 2.55 0.04 0.09 26.91 15:00:21 2 73.31 0.00 3.01 0.07 0.09 23.52 15:00:21 3 72.85 0.00 2.61 0.05 0.09 24.40 Average: all 55.21 0.00 2.01 0.06 0.08 42.65 Average: 0 54.53 0.00 2.02 0.05 0.08 43.33 Average: 1 54.70 0.00 1.82 0.07 0.08 43.34 Average: 2 55.79 0.00 2.23 0.07 0.07 41.84 Average: 3 55.81 0.00 1.98 0.05 0.07 42.09