---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14861 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: 5600.00 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 637 10569 4 4782 15009 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:0b:5f:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84986sec preferred_lft 84986sec inet6 fe80::f816:3eff:fe0b:5fab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:73:78:66:d0:a0 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-14861) 12/18/25 _x86_64_ (4 CPU) 18:28:46 LINUX RESTART (4 CPU) 18:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:05 51.43 10.17 26.90 14.36 1912.80 12757.04 260238.06 18:50:26 22.66 0.90 18.74 3.02 28.52 2683.60 3303.49 Average: 36.85 5.47 22.76 8.61 957.69 7650.98 130002.25 18:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:05 10620360 14029812 1929848 11.79 126500 3423576 2275596 13.06 719468 4672748 22376 18:50:26 9183540 13330948 2621956 16.01 162104 4058220 2763780 15.86 945288 5805468 36764 Average: 9901950 13680380 2275902 13.90 144302 3740898 2519688 14.46 832378 5239108 29570 18:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:05 lo 1.25 1.25 0.14 0.14 0.00 0.00 0.00 0.00 18:40:05 ens3 133.78 100.14 983.38 19.95 0.00 0.00 0.00 0.00 18:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:26 lo 1439.17 1439.17 1370.80 1370.80 0.00 0.00 0.00 0.00 18:50:26 ens3 51.01 42.62 354.52 9.76 0.00 0.00 0.00 0.00 18:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 730.11 730.11 694.90 694.90 0.00 0.00 0.00 0.00 Average: ens3 91.83 70.98 664.63 14.79 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-14861) 12/18/25 _x86_64_ (4 CPU) 18:28:46 LINUX RESTART (4 CPU) 18:30:00 CPU %user %nice %system %iowait %steal %idle 18:40:05 all 53.77 0.00 2.14 5.22 0.11 38.77 18:40:05 0 53.29 0.00 2.11 6.22 0.10 38.27 18:40:05 1 53.51 0.00 2.17 3.74 0.11 40.47 18:40:05 2 55.79 0.00 1.96 7.39 0.10 34.75 18:40:05 3 52.51 0.00 2.30 3.51 0.12 41.57 18:50:26 all 70.63 0.00 2.68 0.13 0.14 26.43 18:50:26 0 69.55 0.00 2.60 0.16 0.14 27.55 18:50:26 1 72.52 0.00 2.89 0.11 0.14 24.33 18:50:26 2 71.86 0.00 2.49 0.07 0.13 25.45 18:50:26 3 68.60 0.00 2.72 0.18 0.14 28.37 Average: all 62.32 0.00 2.41 2.64 0.12 32.51 Average: 0 61.53 0.00 2.36 3.15 0.12 32.84 Average: 1 63.15 0.00 2.54 1.90 0.13 32.28 Average: 2 63.94 0.00 2.23 3.68 0.11 30.04 Average: 3 60.66 0.00 2.51 1.82 0.13 34.88