---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27569 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 697 10252 4 5039 14949 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:eb:3a:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84464sec preferred_lft 84464sec inet6 fe80::f816:3eff:feeb:3aa3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:11:0f:b5:bf:88 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-27569) 06/15/26 _x86_64_ (4 CPU) 09:12:19 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:12 13.87 1.89 11.14 0.85 121.82 2769.05 2083.66 09:40:12 29.87 0.77 25.60 3.50 27.89 4183.71 10199.88 Average: 21.80 1.33 18.30 2.16 75.30 3469.75 6103.77 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:12 10453380 14034104 1924588 11.75 136500 3560796 2552832 14.65 701168 4834768 25940 09:40:12 8150068 12842728 3107608 18.98 171216 4557456 3613836 20.74 1003368 6738380 2176 Average: 9301724 13438416 2516098 15.37 153858 4059126 3083334 17.70 852268 5786574 14058 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:12 lo 1.10 1.10 0.11 0.11 0.00 0.00 0.00 0.00 09:30:12 ens3 91.60 74.56 588.77 17.99 0.00 0.00 0.00 0.00 09:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:12 lo 1451.91 1451.91 1383.48 1383.48 0.00 0.00 0.00 0.00 09:40:12 ens3 100.41 70.17 432.93 24.28 0.00 0.00 0.00 0.00 09:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 719.71 719.71 685.32 685.32 0.00 0.00 0.00 0.00 Average: ens3 95.97 72.39 511.58 21.10 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-27569) 06/15/26 _x86_64_ (4 CPU) 09:12:19 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:12 all 55.34 0.00 1.81 0.04 0.10 42.71 09:30:12 0 53.12 0.00 1.65 0.02 0.10 45.10 09:30:12 1 56.24 0.00 1.89 0.02 0.10 41.75 09:30:12 2 57.85 0.00 1.87 0.09 0.10 40.10 09:30:12 3 54.15 0.00 1.81 0.03 0.10 43.91 09:40:12 all 69.35 0.00 2.77 0.06 0.11 27.71 09:40:12 0 67.49 0.00 2.88 0.06 0.11 29.46 09:40:12 1 70.00 0.00 2.96 0.05 0.12 26.87 09:40:12 2 72.18 0.00 3.02 0.08 0.11 24.61 09:40:12 3 67.74 0.00 2.23 0.04 0.11 29.89 Average: all 62.27 0.00 2.29 0.05 0.11 35.29 Average: 0 60.23 0.00 2.26 0.04 0.11 37.36 Average: 1 63.04 0.00 2.42 0.03 0.11 34.39 Average: 2 64.94 0.00 2.44 0.08 0.10 32.43 Average: 3 60.88 0.00 2.02 0.03 0.11 36.97