---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21571 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: 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 668 10314 4 5005 14978 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:2c:18:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84624sec preferred_lft 84624sec inet6 fe80::f816:3eff:fe2c:18a9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:e8:01:7d:ac: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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-21571) 05/30/26 _x86_64_ (4 CPU) 14:38:30 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:10 44.96 14.55 16.19 14.21 292.04 3853.45 236894.11 15:00:20 23.52 0.77 21.00 1.75 26.81 3431.26 2746.19 Average: 34.24 7.66 18.60 7.98 159.39 3642.29 119782.69 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:10 10794600 14104692 1855152 11.33 127980 3305640 2176976 12.50 597340 4591840 28212 15:00:20 8683992 13085780 2865072 17.50 170668 4263352 3061924 17.58 850224 6357832 109056 Average: 9739296 13595236 2360112 14.41 149324 3784496 2619450 15.04 723782 5474836 68634 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:10 lo 0.79 0.79 0.08 0.08 0.00 0.00 0.00 0.00 14:50:10 ens3 120.67 88.40 780.81 16.00 0.00 0.00 0.00 0.00 14:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:20 lo 631.35 631.35 600.73 600.73 0.00 0.00 0.00 0.00 15:00:20 ens3 81.17 60.37 364.34 17.41 0.00 0.00 0.00 0.00 15:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 316.17 316.17 300.50 300.50 0.00 0.00 0.00 0.00 Average: ens3 100.91 74.38 572.51 16.71 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-21571) 05/30/26 _x86_64_ (4 CPU) 14:38:30 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:10 all 36.54 0.07 1.40 0.20 0.06 61.73 14:50:10 0 37.74 0.12 1.50 0.13 0.06 60.45 14:50:10 1 36.30 0.05 1.32 0.29 0.07 61.97 14:50:10 2 35.10 0.09 1.40 0.32 0.06 63.02 14:50:10 3 37.03 0.00 1.39 0.06 0.06 61.47 15:00:20 all 71.08 0.00 2.66 0.06 0.09 26.12 15:00:20 0 71.61 0.00 2.33 0.03 0.09 25.94 15:00:20 1 72.20 0.00 3.33 0.06 0.09 24.33 15:00:20 2 68.56 0.00 2.40 0.06 0.09 28.90 15:00:20 3 71.94 0.00 2.58 0.06 0.08 25.33 Average: all 53.80 0.03 2.03 0.13 0.07 43.94 Average: 0 54.67 0.06 1.91 0.08 0.07 43.20 Average: 1 54.23 0.03 2.32 0.17 0.08 43.16 Average: 2 51.81 0.05 1.90 0.19 0.07 45.97 Average: 3 54.47 0.00 1.98 0.06 0.07 43.41