---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65800 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 664 10337 4 4987 14982 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:3a:f7:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84616sec preferred_lft 84616sec inet6 fe80::f816:3eff:fe3a:f7a8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:cf:2a:21:d1:2a 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-65800) 04/01/26 _x86_64_ (4 CPU) 15:11:45 LINUX RESTART (4 CPU) 15:20:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:01 10.60 0.50 9.11 0.98 18.07 2289.91 389.11 15:40:03 39.49 0.71 20.80 17.97 23.63 3466.61 237317.07 Average: 25.33 0.61 15.08 9.65 20.90 2890.11 121239.71 15:20:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:01 9611820 13478120 2477916 15.13 155768 3794816 2987648 17.15 807228 5531388 25628 15:40:03 10628736 15374796 575352 3.51 178608 4597692 1100764 6.32 1049280 4186960 216 Average: 10120278 14426458 1526634 9.32 167188 4196254 2044206 11.73 928254 4859174 12922 15:20:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:01 lo 1.34 1.34 0.13 0.13 0.00 0.00 0.00 0.00 15:30:01 ens3 55.86 44.92 92.31 16.04 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:03 lo 1442.79 1442.79 1366.08 1366.08 0.00 0.00 0.00 0.00 15:40:03 ens3 92.34 82.56 406.65 159.38 0.00 0.00 0.00 0.00 15:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 736.59 736.59 696.87 696.87 0.00 0.00 0.00 0.00 Average: ens3 74.47 64.12 252.65 89.15 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-65800) 04/01/26 _x86_64_ (4 CPU) 15:11:45 LINUX RESTART (4 CPU) 15:20:23 CPU %user %nice %system %iowait %steal %idle 15:30:01 all 74.00 0.00 2.45 0.04 0.13 23.39 15:30:01 0 72.57 0.00 2.43 0.05 0.13 24.82 15:30:01 1 75.39 0.00 2.49 0.04 0.13 21.96 15:30:01 2 74.18 0.00 2.47 0.03 0.12 23.21 15:30:01 3 73.85 0.00 2.43 0.03 0.13 23.55 15:40:03 all 35.53 0.00 1.75 0.15 0.09 62.48 15:40:03 0 32.82 0.00 1.77 0.17 0.08 65.16 15:40:03 1 37.33 0.00 1.77 0.35 0.10 60.45 15:40:03 2 35.16 0.00 1.74 0.05 0.09 62.96 15:40:03 3 36.81 0.00 1.70 0.04 0.09 61.36 Average: all 54.36 0.00 2.09 0.10 0.11 43.35 Average: 0 52.30 0.00 2.09 0.11 0.10 45.40 Average: 1 55.96 0.00 2.12 0.20 0.11 41.61 Average: 2 54.24 0.00 2.10 0.04 0.11 43.52 Average: 3 54.94 0.00 2.06 0.04 0.11 42.86