---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9222 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 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 617 10313 4 5058 15029 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:b3:10:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84777sec preferred_lft 84777sec inet6 fe80::f816:3eff:feb3:10a4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:16:d6:d2:7b:be 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-9222) 12/05/25 _x86_64_ (4 CPU) 13:25:04 LINUX RESTART (4 CPU) 13:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:05 20.91 12.48 7.72 0.71 745.88 1395.24 6777.20 13:50:05 17.98 0.53 16.11 1.34 19.36 2202.32 11392.80 Average: 19.45 6.51 11.91 1.02 382.77 1798.62 9084.08 13:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:05 10481336 13768204 2193548 13.40 117396 3319564 2424148 13.91 715936 4814192 27516 13:50:05 8807356 12772628 3185108 19.45 136096 3944104 3850664 22.10 898004 6271656 268132 Average: 9644346 13270416 2689328 16.43 126746 3631834 3137406 18.01 806970 5542924 147824 13:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:05 lo 0.68 0.68 0.38 0.38 0.00 0.00 0.00 0.00 13:40:05 ens3 30.03 22.16 311.66 3.31 0.00 0.00 0.00 0.00 13:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:05 lo 451.40 451.40 429.54 429.54 0.00 0.00 0.00 0.00 13:50:05 ens3 35.26 25.73 404.12 3.60 0.00 0.00 0.00 0.00 13:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 225.95 225.95 214.87 214.87 0.00 0.00 0.00 0.00 Average: ens3 32.64 23.94 357.87 3.46 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-9222) 12/05/25 _x86_64_ (4 CPU) 13:25:04 LINUX RESTART (4 CPU) 13:30:05 CPU %user %nice %system %iowait %steal %idle 13:40:05 all 49.97 0.08 0.87 0.27 0.09 48.73 13:40:05 0 42.47 0.00 0.71 0.22 0.08 56.51 13:40:05 1 49.69 0.02 0.86 0.50 0.08 48.84 13:40:05 2 48.50 0.29 0.82 0.26 0.08 50.03 13:40:05 3 59.23 0.00 1.06 0.09 0.09 39.51 13:50:05 all 56.97 0.00 1.28 0.29 0.09 41.37 13:50:05 0 69.39 0.00 1.44 0.12 0.11 28.94 13:50:05 1 61.42 0.00 1.33 0.31 0.10 36.84 13:50:05 2 51.27 0.00 1.37 0.32 0.09 46.94 13:50:05 3 45.82 0.00 0.97 0.40 0.08 52.73 Average: all 53.46 0.04 1.07 0.28 0.09 45.06 Average: 0 55.91 0.00 1.07 0.17 0.09 42.75 Average: 1 55.55 0.01 1.10 0.41 0.09 42.85 Average: 2 49.88 0.15 1.10 0.29 0.09 48.49 Average: 3 52.52 0.00 1.02 0.25 0.09 46.13