---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5614 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: 5599.86 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 12G 67G 15% / 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 680 9452 4 5856 14966 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:af:1a:3a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84500sec preferred_lft 84500sec inet6 fe80::f816:3eff:feaf:1a3a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:21:da:70:23:0b 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-5614) 03/18/26 _x86_64_ (4 CPU) 16:51:06 LINUX RESTART (4 CPU) 17:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:10:18 9.44 0.02 7.93 1.50 0.21 706.32 23427.13 17:20:01 38.19 0.62 32.38 5.20 20.42 8358.95 21464.43 Average: 23.40 0.31 19.80 3.29 10.03 4422.61 22473.99 17:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:10:18 9700056 13182004 2776660 16.96 135496 3462744 3047524 17.49 690020 5585756 1780 17:20:01 9734064 15373564 574120 3.51 180868 5473056 1097224 6.30 1573836 4550292 204 Average: 9717060 14277784 1675390 10.23 158182 4467900 2072374 11.90 1131928 5068024 992 17:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:10:18 lo 58.87 58.87 14.94 14.94 0.00 0.00 0.00 0.00 17:10:18 ens3 6.66 5.29 4.34 1.67 0.00 0.00 0.00 0.00 17:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 lo 2492.47 2492.47 2398.98 2398.98 0.00 0.00 0.00 0.00 17:20:01 ens3 89.42 74.32 486.06 170.73 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1240.68 1240.68 1172.68 1172.68 0.00 0.00 0.00 0.00 Average: ens3 46.85 38.81 238.28 83.77 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-5614) 03/18/26 _x86_64_ (4 CPU) 16:51:06 LINUX RESTART (4 CPU) 17:00:01 CPU %user %nice %system %iowait %steal %idle 17:10:18 all 15.33 0.00 0.75 0.05 0.09 83.78 17:10:18 0 14.78 0.00 0.70 0.07 0.09 84.35 17:10:18 1 15.11 0.00 0.74 0.03 0.09 84.03 17:10:18 2 15.74 0.00 0.69 0.02 0.09 83.47 17:10:18 3 15.70 0.00 0.88 0.07 0.09 83.26 17:20:01 all 51.86 0.00 2.64 0.12 0.07 45.30 17:20:01 0 53.85 0.00 2.71 0.03 0.08 43.34 17:20:01 1 50.22 0.00 2.26 0.21 0.07 47.23 17:20:01 2 50.50 0.00 3.11 0.09 0.07 46.22 17:20:01 3 52.88 0.00 2.48 0.15 0.08 44.42 Average: all 33.06 0.00 1.67 0.08 0.08 65.11 Average: 0 33.73 0.00 1.68 0.05 0.08 64.45 Average: 1 32.16 0.00 1.48 0.12 0.08 66.16 Average: 2 32.61 0.00 1.86 0.05 0.08 65.39 Average: 3 33.73 0.00 1.66 0.11 0.08 64.42