---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3039 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 613 10577 4 4797 15033 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:80:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84825sec preferred_lft 84825sec inet6 fe80::f816:3eff:fe8d:8043/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:fd:04:36:b2:17 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-3039) 04/15/26 _x86_64_ (4 CPU) 14:54:56 LINUX RESTART (4 CPU) 15:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:15 3.80 0.07 3.55 0.18 7.09 624.36 40.18 15:20:14 19.28 0.52 17.22 1.54 18.78 2360.68 15023.59 Average: 11.54 0.29 10.38 0.86 12.94 1492.20 7529.07 15:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:15 9604488 12622488 3341008 20.41 113744 3065908 3523884 20.23 501208 5917940 1008 15:20:14 9461080 13568880 2389304 14.59 134572 4086876 2517920 14.45 836484 5652868 640468 Average: 9532784 13095684 2865156 17.50 124158 3576392 3020902 17.34 668846 5785404 320738 15:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:15 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 15:10:15 ens3 10.12 8.38 36.34 2.42 0.00 0.00 0.00 0.00 15:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:14 lo 445.61 445.61 424.47 424.47 0.00 0.00 0.00 0.00 15:20:14 ens3 39.97 30.90 482.13 5.12 0.00 0.00 0.00 0.00 15:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 223.03 223.03 212.34 212.34 0.00 0.00 0.00 0.00 Average: ens3 25.04 19.63 259.15 3.77 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-3039) 04/15/26 _x86_64_ (4 CPU) 14:54:56 LINUX RESTART (4 CPU) 15:00:14 CPU %user %nice %system %iowait %steal %idle 15:10:15 all 51.59 0.00 0.69 0.02 0.08 47.63 15:10:15 0 44.79 0.00 0.65 0.02 0.08 54.46 15:10:15 1 51.68 0.00 0.76 0.02 0.08 47.46 15:10:15 2 46.19 0.00 0.71 0.02 0.07 53.01 15:10:15 3 63.72 0.00 0.65 0.01 0.08 35.54 15:20:14 all 56.84 0.00 1.35 0.06 0.09 41.65 15:20:14 0 49.19 0.00 1.42 0.07 0.10 49.23 15:20:14 1 56.06 0.00 1.28 0.04 0.09 42.53 15:20:14 2 75.55 0.00 1.51 0.03 0.10 22.81 15:20:14 3 46.60 0.00 1.20 0.12 0.09 52.00 Average: all 54.21 0.00 1.02 0.04 0.09 44.64 Average: 0 46.99 0.00 1.04 0.04 0.09 51.85 Average: 1 53.87 0.00 1.02 0.03 0.09 44.99 Average: 2 60.85 0.00 1.11 0.02 0.09 37.93 Average: 3 55.16 0.00 0.93 0.06 0.08 43.76