---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53586 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 13G 66G 16% / 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 661 8594 4 6733 14985 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:92:e5:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84563sec preferred_lft 84563sec inet6 fe80::f816:3eff:fe92:e56a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:12:7a:7e:76:ce 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-53586) 03/27/26 _x86_64_ (4 CPU) 17:34:57 LINUX RESTART (4 CPU) 17:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:16 23.31 0.24 20.60 2.47 30.50 2425.66 17731.10 18:00:16 27.76 0.03 24.98 2.76 0.36 4265.97 18401.67 Average: 25.51 0.13 22.77 2.61 15.58 3336.53 18063.00 17:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:16 8445480 12460108 3496068 21.35 146304 3972104 3545644 20.35 865820 6640308 193160 18:00:16 5941636 10768448 5183996 31.66 161232 4733604 5042588 28.94 1131508 8835576 244 Average: 7193558 11614278 4340032 26.51 153768 4352854 4294116 24.65 998664 7737942 96702 17:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:16 lo 1224.12 1224.12 1160.06 1160.06 0.00 0.00 0.00 0.00 17:50:16 ens3 24.34 22.32 19.46 7.13 0.00 0.00 0.00 0.00 17:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:16 lo 1100.88 1100.88 1089.46 1089.46 0.00 0.00 0.00 0.00 18:00:16 ens3 28.39 23.59 43.71 6.85 0.00 0.00 0.00 0.00 18:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1163.12 1163.12 1125.12 1125.12 0.00 0.00 0.00 0.00 Average: ens3 26.34 22.95 31.47 6.99 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-53586) 03/27/26 _x86_64_ (4 CPU) 17:34:57 LINUX RESTART (4 CPU) 17:40:03 CPU %user %nice %system %iowait %steal %idle 17:50:16 all 66.69 0.00 2.21 0.05 0.09 30.95 17:50:16 0 66.93 0.00 1.98 0.03 0.10 30.96 17:50:16 1 65.60 0.00 2.28 0.06 0.10 31.96 17:50:16 2 68.19 0.00 2.48 0.05 0.09 29.18 17:50:16 3 66.05 0.00 2.11 0.05 0.09 31.70 18:00:16 all 55.32 0.00 2.19 0.18 0.11 42.20 18:00:16 0 57.99 0.00 2.21 0.19 0.10 39.50 18:00:16 1 53.49 0.00 2.28 0.22 0.11 43.90 18:00:16 2 55.79 0.00 2.36 0.16 0.10 41.59 18:00:16 3 54.03 0.00 1.92 0.13 0.11 43.82 Average: all 61.07 0.00 2.20 0.11 0.10 36.52 Average: 0 62.51 0.00 2.09 0.11 0.10 35.19 Average: 1 59.60 0.00 2.28 0.14 0.10 37.87 Average: 2 62.05 0.00 2.42 0.11 0.10 35.32 Average: 3 60.09 0.00 2.02 0.09 0.10 37.71