---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-264022 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 612 10434 4 4943 15034 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:8d:2b:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.106/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84870sec preferred_lft 84870sec inet6 fe80::f816:3eff:fe8d:2b8c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:70:36:d2:b7:b7 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-264022) 03/08/26 _x86_64_ (4 CPU) 13:28:23 LINUX RESTART (4 CPU) 13:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:03 16.79 2.56 13.81 0.41 537.21 3483.84 5041.28 13:50:03 6.16 0.36 5.55 0.25 11.17 686.48 469.29 Average: 11.47 1.46 9.68 0.33 274.19 2085.16 2755.29 13:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:03 9184596 12310524 3652016 22.31 114668 3175952 3813948 21.89 634188 6212728 6228 13:50:03 9282888 13092256 2866472 17.51 131736 3804824 3023192 17.35 722232 5957364 492892 Average: 9233742 12701390 3259244 19.91 123202 3490388 3418570 19.62 678210 6085046 249560 13:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:03 lo 0.69 0.69 0.39 0.39 0.00 0.00 0.00 0.00 13:40:03 ens3 77.46 59.17 828.32 7.66 0.00 0.00 0.00 0.00 13:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:03 lo 80.72 80.72 76.60 76.60 0.00 0.00 0.00 0.00 13:50:03 ens3 35.31 26.28 408.41 3.28 0.00 0.00 0.00 0.00 13:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 40.70 40.70 38.50 38.50 0.00 0.00 0.00 0.00 Average: ens3 56.38 42.73 618.37 5.47 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-264022) 03/08/26 _x86_64_ (4 CPU) 13:28:23 LINUX RESTART (4 CPU) 13:30:03 CPU %user %nice %system %iowait %steal %idle 13:40:03 all 52.08 0.00 1.07 0.08 0.08 46.69 13:40:03 0 45.39 0.00 0.98 0.08 0.08 53.47 13:40:03 1 52.45 0.00 0.90 0.09 0.08 46.48 13:40:03 2 56.14 0.00 1.34 0.14 0.08 42.30 13:40:03 3 54.34 0.00 1.04 0.03 0.08 44.50 13:50:03 all 51.20 0.00 0.69 0.02 0.07 48.02 13:50:03 0 38.83 0.00 0.84 0.02 0.07 60.24 13:50:03 1 59.35 0.00 0.56 0.02 0.07 40.00 13:50:03 2 53.41 0.00 0.66 0.01 0.07 45.85 13:50:03 3 53.23 0.00 0.70 0.02 0.06 45.99 Average: all 51.64 0.00 0.88 0.05 0.07 47.36 Average: 0 42.10 0.00 0.91 0.05 0.08 56.86 Average: 1 55.90 0.00 0.73 0.05 0.08 43.24 Average: 2 54.78 0.00 1.00 0.07 0.07 44.08 Average: 3 53.78 0.00 0.87 0.02 0.07 45.25