---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5077 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 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 647 10509 4 4832 14999 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:51:31:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.153/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84722sec preferred_lft 84722sec inet6 fe80::f816:3eff:fe51:3156/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:42:5a:54:58:8b 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-5077) 01/27/26 _x86_64_ (4 CPU) 21:36:22 LINUX RESTART (4 CPU) 21:40:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:50:01 7.09 0.63 6.06 0.40 434.22 1212.91 495.73 22:00:10 7.51 0.49 6.76 0.26 18.32 954.03 87.11 Average: 7.30 0.56 6.41 0.33 223.06 1081.47 288.26 21:40:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:50:01 8883468 11900788 4063204 24.82 110352 3078320 4290748 24.63 614004 6539712 360 22:00:10 9260200 12958352 3001616 18.33 127684 3704104 3183824 18.28 713232 6024716 411748 Average: 9071834 12429570 3532410 21.57 119018 3391212 3737286 21.45 663618 6282214 206054 21:40:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:50:01 lo 0.65 0.65 0.39 0.39 0.00 0.00 0.00 0.00 21:50:01 ens3 23.05 16.40 208.79 3.08 0.00 0.00 0.00 0.00 21:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:10 lo 222.23 222.23 211.73 211.73 0.00 0.00 0.00 0.00 22:00:10 ens3 34.08 23.20 402.78 3.03 0.00 0.00 0.00 0.00 22:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 113.15 113.15 107.69 107.69 0.00 0.00 0.00 0.00 Average: ens3 28.65 19.85 307.28 3.05 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-5077) 01/27/26 _x86_64_ (4 CPU) 21:36:22 LINUX RESTART (4 CPU) 21:40:12 CPU %user %nice %system %iowait %steal %idle 21:50:01 all 48.69 0.00 0.87 0.40 0.11 49.94 21:50:01 0 42.31 0.00 0.66 0.85 0.11 56.07 21:50:01 1 42.37 0.00 0.77 0.30 0.10 56.46 21:50:01 2 50.82 0.00 1.05 0.30 0.11 47.71 21:50:01 3 59.28 0.00 0.99 0.13 0.11 39.49 22:00:10 all 51.29 0.00 0.83 0.43 0.10 47.35 22:00:10 0 58.68 0.00 0.64 0.36 0.11 40.21 22:00:10 1 59.44 0.00 0.98 0.09 0.10 39.39 22:00:10 2 45.29 0.00 0.89 0.60 0.11 53.11 22:00:10 3 41.74 0.00 0.80 0.68 0.09 56.69 Average: all 50.01 0.00 0.85 0.41 0.10 48.62 Average: 0 50.63 0.00 0.65 0.60 0.11 48.01 Average: 1 51.04 0.00 0.88 0.19 0.10 47.79 Average: 2 48.01 0.00 0.97 0.46 0.11 50.46 Average: 3 50.37 0.00 0.90 0.41 0.10 48.23