---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-18122 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 10791 4 4570 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:71:f7:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84815sec preferred_lft 84815sec inet6 fe80::f816:3eff:fe71:f72a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:f5:47:bb:c0:9a 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-18122) 01/03/26 _x86_64_ (4 CPU) 09:56:25 LINUX RESTART (4 CPU) 10:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:15 4.37 0.14 4.05 0.18 11.09 627.45 182.59 10:20:14 16.38 0.54 14.72 1.12 19.45 2178.79 4841.28 Average: 10.37 0.34 9.38 0.65 15.27 1402.67 2510.58 10:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:15 8965344 11752448 4212204 25.73 108316 2853188 4436220 25.46 486588 6593020 172 10:20:14 9282340 12764020 3196508 19.52 131436 3486516 3304500 18.97 710796 5999400 259756 Average: 9123842 12258234 3704356 22.62 119876 3169852 3870360 22.22 598692 6296210 129964 10:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:15 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 10:10:15 ens3 9.90 9.31 79.91 2.39 0.00 0.00 0.00 0.00 10:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:14 lo 384.04 384.04 365.61 365.61 0.00 0.00 0.00 0.00 10:20:14 ens3 32.72 25.40 389.81 3.83 0.00 0.00 0.00 0.00 10:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 192.22 192.22 182.89 182.89 0.00 0.00 0.00 0.00 Average: ens3 21.30 17.35 234.77 3.11 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-18122) 01/03/26 _x86_64_ (4 CPU) 09:56:25 LINUX RESTART (4 CPU) 10:00:14 CPU %user %nice %system %iowait %steal %idle 10:10:15 all 47.90 0.00 0.68 0.04 0.07 51.31 10:10:15 0 62.35 0.00 0.67 0.01 0.08 36.90 10:10:15 1 42.06 0.00 0.60 0.01 0.07 57.26 10:10:15 2 44.84 0.00 0.86 0.11 0.08 54.11 10:10:15 3 42.35 0.00 0.57 0.04 0.07 56.97 10:20:14 all 55.12 0.00 1.14 0.11 0.08 43.54 10:20:14 0 46.25 0.00 0.96 0.07 0.08 52.63 10:20:14 1 81.01 0.00 1.32 0.16 0.09 17.42 10:20:14 2 47.80 0.00 1.26 0.12 0.08 50.73 10:20:14 3 45.44 0.00 1.01 0.11 0.08 53.36 Average: all 51.51 0.00 0.91 0.08 0.08 47.43 Average: 0 54.29 0.00 0.82 0.04 0.08 44.77 Average: 1 61.51 0.00 0.96 0.08 0.08 37.37 Average: 2 46.32 0.00 1.06 0.12 0.08 52.42 Average: 3 43.90 0.00 0.79 0.07 0.08 55.17