---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-458990 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 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 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 630 10574 4 4784 15016 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:3f:fe:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84678sec preferred_lft 84678sec inet6 fe80::f816:3eff:fe3f:feca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:7f:91:58:79:60 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-458990) 03/13/26 _x86_64_ (4 CPU) 07:13:38 LINUX RESTART (4 CPU) 07:20:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:01 3.48 0.07 3.26 0.15 7.26 515.69 40.19 07:40:08 15.37 0.51 13.81 1.05 18.77 2132.09 4750.91 Average: 9.53 0.30 8.63 0.61 13.12 1338.03 2436.75 07:20:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:01 8071924 11043104 4920152 30.05 112104 3024992 5076136 29.14 489656 7464568 1676 07:40:08 9141972 12826336 3132244 19.13 131944 3678716 3254360 18.68 706648 6140784 264300 Average: 8606948 11934720 4026198 24.59 122024 3351854 4165248 23.91 598152 6802676 132988 07:20:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:01 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 07:30:01 ens3 9.35 7.35 35.74 2.15 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:08 lo 351.05 351.05 334.35 334.35 0.00 0.00 0.00 0.00 07:40:08 ens3 37.29 26.32 404.58 3.77 0.00 0.00 0.00 0.00 07:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 178.89 178.89 170.28 170.28 0.00 0.00 0.00 0.00 Average: ens3 23.56 17.00 223.39 2.98 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-458990) 03/13/26 _x86_64_ (4 CPU) 07:13:38 LINUX RESTART (4 CPU) 07:20:15 CPU %user %nice %system %iowait %steal %idle 07:30:01 all 46.68 0.00 0.62 0.14 0.09 52.46 07:30:01 0 50.53 0.00 0.62 0.19 0.09 48.57 07:30:01 1 37.43 0.00 0.65 0.13 0.09 61.71 07:30:01 2 42.48 0.00 0.57 0.16 0.09 56.71 07:30:01 3 56.29 0.00 0.67 0.09 0.09 42.86 07:40:08 all 57.69 0.00 1.18 0.10 0.09 40.93 07:40:08 0 69.62 0.00 1.31 0.05 0.10 28.92 07:40:08 1 62.14 0.00 1.12 0.08 0.09 36.57 07:40:08 2 47.61 0.00 1.37 0.17 0.09 50.76 07:40:08 3 51.42 0.00 0.94 0.10 0.08 47.46 Average: all 52.28 0.00 0.91 0.12 0.09 46.60 Average: 0 60.23 0.00 0.97 0.12 0.09 38.59 Average: 1 50.00 0.00 0.89 0.10 0.09 48.92 Average: 2 45.09 0.00 0.97 0.17 0.09 53.69 Average: 3 53.81 0.00 0.80 0.10 0.09 45.20