---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-450982 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: 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 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 619 10427 4 4942 15027 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:30:9a:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84782sec preferred_lft 84782sec inet6 fe80::f816:3eff:fe30:9a76/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:22:01:9b:43:01 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-450982) 03/12/26 _x86_64_ (4 CPU) 09:56:42 LINUX RESTART (4 CPU) 10:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:20 20.26 0.68 6.28 13.30 423.86 1396.17 235388.68 10:20:20 12.96 0.51 11.64 0.81 18.83 1851.43 2073.71 Average: 16.64 0.60 8.93 7.11 223.24 1621.66 119826.15 10:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:20 8737828 11907824 4054740 24.76 115608 3217744 4178232 23.98 646144 6642576 156 10:20:20 8973876 12841212 3117260 19.04 135020 3857548 3286116 18.86 846036 6168436 270224 Average: 8855852 12374518 3586000 21.90 125314 3537646 3732174 21.42 746090 6405506 135190 10:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:20 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 10:10:20 ens3 19.30 15.44 206.92 3.05 0.00 0.00 0.00 0.00 10:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:20 lo 323.65 323.65 308.43 308.43 0.00 0.00 0.00 0.00 10:20:20 ens3 33.58 24.04 389.14 3.50 0.00 0.00 0.00 0.00 10:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 160.63 160.63 152.96 152.96 0.00 0.00 0.00 0.00 Average: ens3 26.37 19.70 297.17 3.27 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-450982) 03/12/26 _x86_64_ (4 CPU) 09:56:42 LINUX RESTART (4 CPU) 10:00:09 CPU %user %nice %system %iowait %steal %idle 10:10:20 all 51.09 0.00 0.82 0.07 0.08 47.94 10:10:20 0 43.14 0.00 0.79 0.09 0.08 55.89 10:10:20 1 49.38 0.00 0.85 0.10 0.08 49.59 10:10:20 2 59.92 0.00 0.76 0.03 0.09 39.20 10:10:20 3 51.95 0.00 0.89 0.04 0.08 47.04 10:20:20 all 50.12 0.00 1.08 0.04 0.08 48.68 10:20:20 0 37.08 0.00 0.99 0.04 0.08 61.82 10:20:20 1 37.65 0.00 1.08 0.06 0.07 61.14 10:20:20 2 49.56 0.00 1.03 0.04 0.07 49.29 10:20:20 3 76.25 0.00 1.22 0.03 0.09 22.41 Average: all 50.61 0.00 0.95 0.05 0.08 48.30 Average: 0 40.14 0.00 0.89 0.06 0.08 58.83 Average: 1 43.56 0.00 0.96 0.09 0.08 55.31 Average: 2 54.79 0.00 0.90 0.03 0.08 44.20 Average: 3 63.99 0.00 1.05 0.03 0.08 34.84