---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2577 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 67G 15% / 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 725 9703 4 5559 14920 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:af:42:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84464sec preferred_lft 84464sec inet6 fe80::f816:3eff:feaf:42ce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:c7:ed:ec:a5:e1 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-2577) 01/21/26 _x86_64_ (4 CPU) 06:26:32 LINUX RESTART (4 CPU) 06:30:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:21 29.58 2.86 24.43 2.29 352.91 4906.25 7572.88 06:50:10 30.83 0.07 27.35 3.41 1.52 3035.71 13310.60 Average: 30.20 1.48 25.88 2.84 179.00 3980.50 10412.56 06:30:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:21 9459972 13144756 2811268 17.17 154344 3628676 3045192 17.48 784640 5719836 20096 06:50:10 8043360 13104124 2845428 17.38 181332 4906800 2952152 16.95 1080188 6735580 831212 Average: 8751666 13124440 2828348 17.27 167838 4267738 2998672 17.21 932414 6227708 425654 06:30:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:21 lo 703.24 703.24 668.94 668.94 0.00 0.00 0.00 0.00 06:40:21 ens3 95.30 71.52 766.64 16.72 0.00 0.00 0.00 0.00 06:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:10 lo 1365.25 1365.25 1300.41 1300.41 0.00 0.00 0.00 0.00 06:50:10 ens3 59.00 42.39 202.92 12.93 0.00 0.00 0.00 0.00 06:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1030.88 1030.88 981.46 981.46 0.00 0.00 0.00 0.00 Average: ens3 77.34 57.11 487.65 14.84 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-2577) 01/21/26 _x86_64_ (4 CPU) 06:26:32 LINUX RESTART (4 CPU) 06:30:21 CPU %user %nice %system %iowait %steal %idle 06:40:21 all 62.03 0.00 2.24 1.13 0.12 34.47 06:40:21 0 61.58 0.00 1.92 0.21 0.12 36.16 06:40:21 1 62.55 0.00 2.43 0.09 0.12 34.81 06:40:21 2 62.12 0.00 2.84 2.21 0.12 32.71 06:40:21 3 61.86 0.00 1.78 2.03 0.12 34.21 06:50:10 all 53.70 0.00 2.47 0.97 0.13 42.74 06:50:10 0 49.87 0.00 2.30 0.97 0.12 46.74 06:50:10 1 57.49 0.00 2.56 0.78 0.13 39.04 06:50:10 2 56.03 0.00 2.82 0.64 0.14 40.38 06:50:10 3 51.40 0.00 2.19 1.49 0.13 44.80 Average: all 57.91 0.00 2.35 1.05 0.12 38.56 Average: 0 55.80 0.00 2.11 0.58 0.12 41.39 Average: 1 60.05 0.00 2.49 0.43 0.12 36.90 Average: 2 59.12 0.00 2.83 1.44 0.13 36.49 Average: 3 56.69 0.00 1.98 1.76 0.12 39.44