---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11155 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 629 9975 4 5384 15017 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:02:30:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.158/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84438sec preferred_lft 84438sec inet6 fe80::f816:3eff:fe02:3050/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:f0:95:a8:65:3c 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-11155) 12/06/25 _x86_64_ (4 CPU) 18:23:38 LINUX RESTART (4 CPU) 18:30:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:09 46.57 0.03 39.42 7.13 0.64 1745.91 135131.85 18:50:09 25.69 0.16 21.76 3.78 5.11 1993.61 26324.20 Average: 35.99 0.09 30.47 5.43 2.91 1871.46 79982.12 18:30:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:09 9542436 12977228 2981556 18.21 152036 3418320 3206888 18.41 788340 5668176 1016 18:50:09 9188068 13064696 2890428 17.65 170788 3809728 3105264 17.82 926544 5838172 34404 Average: 9365252 13020962 2935992 17.93 161412 3614024 3156076 18.12 857442 5753174 17710 18:30:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:09 lo 32.60 32.60 7.81 7.81 0.00 0.00 0.00 0.00 18:40:09 ens3 13.71 11.84 13.95 4.15 0.00 0.00 0.00 0.00 18:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:09 lo 1484.63 1484.63 1392.46 1392.46 0.00 0.00 0.00 0.00 18:50:09 ens3 52.36 38.91 258.78 10.62 0.00 0.00 0.00 0.00 18:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 768.57 768.57 709.63 709.63 0.00 0.00 0.00 0.00 Average: ens3 33.30 25.56 138.04 7.43 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-11155) 12/06/25 _x86_64_ (4 CPU) 18:23:38 LINUX RESTART (4 CPU) 18:30:25 CPU %user %nice %system %iowait %steal %idle 18:40:09 all 28.10 0.00 1.09 0.39 0.09 70.34 18:40:09 0 29.00 0.00 0.98 0.21 0.09 69.71 18:40:09 1 27.64 0.00 1.23 0.86 0.09 70.18 18:40:09 2 27.66 0.00 1.18 0.22 0.08 70.86 18:40:09 3 28.09 0.00 0.95 0.28 0.09 70.59 18:50:09 all 38.30 0.00 1.89 0.07 0.09 59.65 18:50:09 0 38.76 0.00 1.61 0.05 0.09 59.49 18:50:09 1 37.49 0.00 2.02 0.06 0.09 60.34 18:50:09 2 38.82 0.00 2.13 0.12 0.09 58.83 18:50:09 3 38.12 0.00 1.79 0.05 0.10 59.95 Average: all 33.26 0.00 1.49 0.23 0.09 64.92 Average: 0 33.95 0.00 1.30 0.13 0.09 64.53 Average: 1 32.63 0.00 1.63 0.45 0.09 65.20 Average: 2 33.31 0.00 1.66 0.17 0.09 64.77 Average: 3 33.17 0.00 1.38 0.16 0.09 65.20