---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27136 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 15% / 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 672 9654 4 5662 14974 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:9c:12:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84336sec preferred_lft 84336sec inet6 fe80::f816:3eff:fe9c:12a9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:2f:a3:5f:38:ae 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-27136) 06/13/26 _x86_64_ (4 CPU) 18:21:30 LINUX RESTART (4 CPU) 18:30:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:15 44.47 0.03 37.68 6.77 0.63 1660.79 129927.69 18:50:01 42.85 0.16 24.21 18.48 5.13 2334.07 265855.63 Average: 43.67 0.09 31.02 12.56 2.85 1993.27 197052.26 18:30:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:15 9304396 13025892 2931296 17.90 159504 3668744 3193816 18.33 850468 5812904 272 18:50:01 7646876 12838256 3112236 19.01 180312 5052800 3341756 19.18 1325956 6909848 970028 Average: 8475636 12932074 3021766 18.46 169908 4360772 3267786 18.76 1088212 6361376 485150 18:30:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:15 lo 36.70 36.70 8.62 8.62 0.00 0.00 0.00 0.00 18:40:15 ens3 14.84 12.15 14.71 4.11 0.00 0.00 0.00 0.00 18:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1661.26 1661.26 1564.87 1564.87 0.00 0.00 0.00 0.00 18:50:01 ens3 64.95 49.96 476.88 12.90 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 Average: lo 838.95 838.95 777.13 777.13 0.00 0.00 0.00 0.00 Average: ens3 39.59 30.82 242.94 8.45 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-27136) 06/13/26 _x86_64_ (4 CPU) 18:21:30 LINUX RESTART (4 CPU) 18:30:15 CPU %user %nice %system %iowait %steal %idle 18:40:15 all 26.89 0.00 1.12 0.28 0.09 71.62 18:40:15 0 26.15 0.00 1.06 0.11 0.09 72.59 18:40:15 1 27.10 0.00 1.24 0.35 0.08 71.22 18:40:15 2 28.00 0.00 1.11 0.46 0.09 70.34 18:40:15 3 26.30 0.00 1.05 0.22 0.09 72.34 18:50:01 all 43.18 0.00 2.15 0.07 0.09 54.51 18:50:01 0 43.31 0.00 1.80 0.07 0.09 54.73 18:50:01 1 44.68 0.00 2.54 0.06 0.09 52.63 18:50:01 2 42.51 0.00 2.20 0.09 0.09 55.12 18:50:01 3 42.23 0.00 2.05 0.08 0.09 55.55 Average: all 34.93 0.00 1.63 0.18 0.09 63.18 Average: 0 34.62 0.00 1.42 0.09 0.09 63.77 Average: 1 35.77 0.00 1.88 0.21 0.09 62.05 Average: 2 35.16 0.00 1.65 0.28 0.09 62.83 Average: 3 34.17 0.00 1.55 0.15 0.09 64.05