---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5809 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 635 10466 4 4887 15011 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:ff:0f:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84792sec preferred_lft 84792sec inet6 fe80::f816:3eff:feff:f92/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:68:49:49:8b:0d 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-5809) 03/19/26 _x86_64_ (4 CPU) 06:06:26 LINUX RESTART (4 CPU) 06:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:20:01 6.18 0.19 5.56 0.43 12.77 876.53 376.94 06:30:07 10.62 0.52 9.41 0.68 18.91 1782.81 3621.93 Average: 8.41 0.36 7.49 0.56 15.85 1331.97 2007.66 06:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:20:01 8455584 11524220 4437808 27.10 114564 3117860 4596832 26.39 521604 7056928 1760 06:30:07 10082884 13588484 2369940 14.47 133248 3506820 2503260 14.37 690044 5210428 13540 Average: 9269234 12556352 3403874 20.79 123906 3312340 3550046 20.38 605824 6133678 7650 06:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:20:01 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 06:20:01 ens3 15.31 11.34 160.37 2.46 0.00 0.00 0.00 0.00 06:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:07 lo 165.96 165.96 157.66 157.66 0.00 0.00 0.00 0.00 06:30:07 ens3 35.67 24.25 405.12 3.76 0.00 0.00 0.00 0.00 06:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 83.72 83.72 79.42 79.42 0.00 0.00 0.00 0.00 Average: ens3 25.54 17.83 283.37 3.12 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-5809) 03/19/26 _x86_64_ (4 CPU) 06:06:26 LINUX RESTART (4 CPU) 06:10:01 CPU %user %nice %system %iowait %steal %idle 06:20:01 all 48.54 0.00 0.78 0.26 0.10 50.32 06:20:01 0 51.41 0.00 0.70 0.08 0.09 47.72 06:20:01 1 56.39 0.00 0.80 0.02 0.10 42.69 06:20:01 2 44.89 0.00 0.83 0.88 0.09 53.30 06:20:01 3 41.49 0.00 0.80 0.05 0.10 57.56 06:30:07 all 56.80 0.00 0.96 0.05 0.10 42.09 06:30:07 0 73.90 0.00 0.95 0.03 0.10 25.02 06:30:07 1 46.44 0.00 1.00 0.08 0.10 52.39 06:30:07 2 46.17 0.00 0.91 0.04 0.09 52.78 06:30:07 3 60.68 0.00 0.98 0.04 0.10 38.19 Average: all 52.69 0.00 0.87 0.15 0.10 46.19 Average: 0 62.71 0.00 0.83 0.05 0.10 36.31 Average: 1 51.39 0.00 0.90 0.05 0.10 47.56 Average: 2 45.53 0.00 0.87 0.46 0.09 53.04 Average: 3 51.13 0.00 0.89 0.05 0.10 47.83