---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-690 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 642 10557 4 4788 15004 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:bb:59:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84746sec preferred_lft 84746sec inet6 fe80::f816:3eff:febb:5974/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:9b:9e:d8:60:50 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-690) 04/07/26 _x86_64_ (4 CPU) 09:08:46 LINUX RESTART (4 CPU) 09:10:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:19 24.06 3.02 20.27 0.78 165.24 3888.36 1264.45 09:30:01 3.02 0.04 2.91 0.06 3.57 299.05 22.98 Average: 13.69 1.55 11.72 0.43 85.59 2119.93 652.79 09:10:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:19 10585188 13545564 2418080 14.77 112124 3014636 2788804 16.01 487556 4964512 2928 09:30:01 10229024 13266684 2696500 16.47 115052 3082416 2905604 16.68 508392 5299204 1920 Average: 10407106 13406124 2557290 15.62 113588 3048526 2847204 16.34 497974 5131858 2424 09:10:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:19 lo 0.66 0.66 0.09 0.09 0.00 0.00 0.00 0.00 09:20:19 ens3 81.36 64.72 829.29 9.51 0.00 0.00 0.00 0.00 09:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 0.51 0.51 0.38 0.38 0.00 0.00 0.00 0.00 09:30:01 ens3 3.23 2.63 1.99 0.76 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.59 0.59 0.23 0.23 0.00 0.00 0.00 0.00 Average: ens3 42.87 34.13 421.68 5.20 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-690) 04/07/26 _x86_64_ (4 CPU) 09:08:46 LINUX RESTART (4 CPU) 09:10:19 CPU %user %nice %system %iowait %steal %idle 09:20:19 all 50.56 0.00 1.11 0.21 0.08 48.04 09:20:19 0 50.32 0.00 1.13 0.09 0.08 48.38 09:20:19 1 52.70 0.00 1.17 0.40 0.08 45.65 09:20:19 2 52.35 0.00 1.21 0.08 0.08 46.29 09:20:19 3 46.86 0.00 0.93 0.29 0.07 51.85 09:30:01 all 42.75 0.00 0.42 0.01 0.06 56.75 09:30:01 0 39.75 0.00 0.51 0.02 0.07 59.65 09:30:01 1 33.96 0.00 0.39 0.01 0.06 65.57 09:30:01 2 51.99 0.00 0.34 0.00 0.06 47.60 09:30:01 3 45.33 0.00 0.46 0.01 0.05 54.15 Average: all 46.71 0.00 0.77 0.11 0.07 52.34 Average: 0 45.11 0.00 0.83 0.06 0.08 53.93 Average: 1 43.45 0.00 0.79 0.21 0.07 55.49 Average: 2 52.17 0.00 0.78 0.04 0.07 46.93 Average: 3 46.11 0.00 0.69 0.15 0.06 52.99