---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2414 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 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 627 10535 4 4826 15019 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:48:ee:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84865sec preferred_lft 84865sec inet6 fe80::f816:3eff:fe48:ee4a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:15:27:32:59:d5 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-2414) 01/20/26 _x86_64_ (4 CPU) 17:16:47 LINUX RESTART (4 CPU) 17:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:30:05 14.48 0.91 12.26 1.32 417.74 3081.89 2991.94 17:40:05 26.40 0.61 21.87 3.92 21.64 3831.63 9759.68 Average: 20.42 0.76 17.04 2.61 220.52 3455.20 6361.74 17:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:30:05 10054820 13651648 2305752 14.08 144100 3556336 2835648 16.28 768688 5149824 23404 17:40:05 10816772 15397488 553824 3.38 168892 4450700 1100900 6.32 1033168 4024636 228 Average: 10435796 14524568 1429788 8.73 156496 4003518 1968274 11.30 900928 4587230 11816 17:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:30:05 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 17:30:05 ens3 73.28 56.75 266.25 17.95 0.00 0.00 0.00 0.00 17:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:05 lo 1501.86 1501.86 1421.33 1421.33 0.00 0.00 0.00 0.00 17:40:05 ens3 101.46 89.34 410.79 155.40 0.00 0.00 0.00 0.00 17:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 748.52 748.52 707.78 707.78 0.00 0.00 0.00 0.00 Average: ens3 87.31 72.98 338.22 86.39 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-2414) 01/20/26 _x86_64_ (4 CPU) 17:16:47 LINUX RESTART (4 CPU) 17:20:00 CPU %user %nice %system %iowait %steal %idle 17:30:05 all 74.20 0.00 2.29 0.18 0.12 23.20 17:30:05 0 74.63 0.00 2.46 0.16 0.12 22.62 17:30:05 1 77.35 0.00 2.45 0.11 0.12 19.97 17:30:05 2 73.99 0.00 2.24 0.18 0.12 23.48 17:30:05 3 70.85 0.00 2.00 0.28 0.12 26.74 17:40:05 all 50.29 0.00 2.20 0.45 0.10 46.97 17:40:05 0 46.37 0.00 2.16 0.32 0.10 51.05 17:40:05 1 47.88 0.00 2.37 0.32 0.10 49.34 17:40:05 2 53.35 0.00 2.23 0.45 0.09 43.88 17:40:05 3 53.57 0.00 2.02 0.72 0.10 43.59 Average: all 62.30 0.00 2.24 0.32 0.11 35.03 Average: 0 60.56 0.00 2.31 0.24 0.11 36.78 Average: 1 62.68 0.00 2.41 0.21 0.11 34.59 Average: 2 63.72 0.00 2.23 0.32 0.11 33.63 Average: 3 62.26 0.00 2.01 0.50 0.11 35.12