---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19321 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 68G 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 647 10769 4 4572 14999 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:61:8e:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.244/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84487sec preferred_lft 84487sec inet6 fe80::f816:3eff:fe61:8e47/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:60:e7:2e:8d:e9 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-19321) 05/23/26 _x86_64_ (4 CPU) 14:45:41 LINUX RESTART (4 CPU) 14:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:19 21.48 2.71 17.67 1.10 145.81 6534.77 2362.88 15:10:19 9.18 0.49 8.05 0.63 18.29 2857.79 2227.91 Average: 15.33 1.60 12.86 0.86 82.05 4696.28 2295.39 14:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:19 10804112 13799948 2163308 13.21 116744 3034732 2812748 16.15 487280 4730260 30840 15:10:19 9223896 13038708 2918608 17.83 144132 3770240 3366644 19.32 714868 6028000 1760 Average: 10014004 13419328 2540958 15.52 130438 3402486 3089696 17.73 601074 5379130 16300 14:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:19 lo 0.82 0.82 0.08 0.08 0.00 0.00 0.00 0.00 15:00:19 ens3 51.15 42.79 570.76 9.04 0.00 0.00 0.00 0.00 15:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:19 lo 1.49 1.49 0.15 0.15 0.00 0.00 0.00 0.00 15:10:19 ens3 57.34 49.48 278.56 12.75 0.00 0.00 0.00 0.00 15:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.15 1.15 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 54.25 46.14 424.66 10.90 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-19321) 05/23/26 _x86_64_ (4 CPU) 14:45:41 LINUX RESTART (4 CPU) 14:50:19 CPU %user %nice %system %iowait %steal %idle 15:00:19 all 34.59 0.00 1.22 13.59 0.11 50.50 15:00:19 0 33.55 0.00 1.07 6.20 0.11 59.07 15:00:19 1 35.19 0.00 1.16 25.44 0.10 38.11 15:00:19 2 35.40 0.00 1.26 9.92 0.10 53.32 15:00:19 3 34.21 0.00 1.38 12.83 0.12 51.46 15:10:19 all 66.99 0.00 2.18 1.65 0.19 28.98 15:10:19 0 66.40 0.00 1.90 0.63 0.19 30.88 15:10:19 1 66.71 0.00 2.33 1.51 0.18 29.27 15:10:19 2 64.71 0.00 2.00 2.00 0.19 31.10 15:10:19 3 70.15 0.00 2.47 2.48 0.22 24.67 Average: all 50.75 0.00 1.70 7.64 0.15 39.77 Average: 0 49.94 0.00 1.48 3.42 0.15 45.01 Average: 1 50.93 0.00 1.74 13.49 0.14 33.69 Average: 2 50.03 0.00 1.63 5.96 0.15 42.23 Average: 3 52.11 0.00 1.92 7.68 0.17 38.12