---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31225 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 655 10327 4 5005 14991 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:6f:2b:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84694sec preferred_lft 84694sec inet6 fe80::f816:3eff:fe6f:2b8f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:2f:5e:cf:ea:76 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-31225) 03/25/26 _x86_64_ (4 CPU) 07:14:11 LINUX RESTART (4 CPU) 07:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:01 3.88 0.07 3.63 0.18 7.08 582.19 94.78 07:40:01 13.20 0.51 11.70 0.98 18.98 1932.72 8042.18 Average: 8.53 0.29 7.66 0.58 13.02 1256.64 4063.68 07:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:01 10295408 13526320 2436140 14.88 116424 3273224 2684668 15.41 636224 5102136 14040 07:40:01 9718244 13444316 2514744 15.36 134716 3721820 2864560 16.44 806628 5475156 95156 Average: 10006826 13485318 2475442 15.12 125570 3497522 2774614 15.93 721426 5288646 54598 07:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:01 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 07:30:01 ens3 8.97 7.66 36.20 2.31 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 329.51 329.51 313.82 313.82 0.00 0.00 0.00 0.00 07:40:01 ens3 38.39 25.56 408.59 3.66 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 164.86 164.86 156.91 156.91 0.00 0.00 0.00 0.00 Average: ens3 23.66 16.60 222.17 2.98 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-31225) 03/25/26 _x86_64_ (4 CPU) 07:14:11 LINUX RESTART (4 CPU) 07:20:00 CPU %user %nice %system %iowait %steal %idle 07:30:01 all 51.63 0.00 0.72 0.01 0.11 47.53 07:30:01 0 56.22 0.00 0.71 0.01 0.11 42.96 07:30:01 1 43.48 0.00 0.75 0.02 0.10 55.65 07:30:01 2 43.90 0.00 0.83 0.01 0.10 55.16 07:30:01 3 62.94 0.00 0.60 0.01 0.12 36.34 07:40:01 all 57.44 0.00 1.10 0.05 0.11 41.29 07:40:01 0 46.48 0.00 1.07 0.06 0.10 52.29 07:40:01 1 64.55 0.00 1.31 0.08 0.12 33.94 07:40:01 2 69.31 0.00 1.04 0.03 0.12 29.50 07:40:01 3 49.45 0.00 0.99 0.04 0.10 49.42 Average: all 54.53 0.00 0.91 0.03 0.11 44.42 Average: 0 51.35 0.00 0.89 0.03 0.10 47.62 Average: 1 53.98 0.00 1.03 0.05 0.11 44.84 Average: 2 56.59 0.00 0.93 0.02 0.11 42.34 Average: 3 56.21 0.00 0.79 0.02 0.11 42.87