---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-458955 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 631 10580 4 4777 15015 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:15:88:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84683sec preferred_lft 84683sec inet6 fe80::f816:3eff:fe15:88a7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:24:01:55:fa:cc 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-458955) 03/13/26 _x86_64_ (4 CPU) 07:12:47 LINUX RESTART (4 CPU) 07:20:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:18 3.64 0.07 3.40 0.17 7.02 618.32 55.56 07:40:01 18.82 0.53 16.78 1.52 19.54 2348.57 14987.00 Average: 11.08 0.30 9.95 0.83 13.16 1466.22 7372.63 07:20:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:18 9726104 12733200 3230444 19.73 113744 3055288 3367396 19.33 500252 5795652 1156 07:40:01 10148152 13576648 2383080 14.55 133052 3431340 2515216 14.44 673668 5178140 16960 Average: 9937128 13154924 2806762 17.14 123398 3243314 2941306 16.88 586960 5486896 9058 07:20:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:18 lo 0.61 0.61 0.37 0.37 0.00 0.00 0.00 0.00 07:30:18 ens3 10.11 8.08 35.99 2.36 0.00 0.00 0.00 0.00 07:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 517.73 517.73 493.07 493.07 0.00 0.00 0.00 0.00 07:40:01 ens3 34.85 24.64 420.42 3.80 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 254.02 254.02 241.82 241.82 0.00 0.00 0.00 0.00 Average: ens3 22.23 16.19 224.38 3.07 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-458955) 03/13/26 _x86_64_ (4 CPU) 07:12:47 LINUX RESTART (4 CPU) 07:20:12 CPU %user %nice %system %iowait %steal %idle 07:30:18 all 52.97 0.00 0.68 0.02 0.09 46.23 07:30:18 0 49.41 0.00 0.67 0.00 0.09 49.83 07:30:18 1 45.14 0.00 0.75 0.06 0.09 53.96 07:30:18 2 50.21 0.00 0.55 0.00 0.09 49.15 07:30:18 3 67.13 0.00 0.77 0.01 0.09 32.00 07:40:01 all 56.93 0.00 1.28 0.14 0.09 41.56 07:40:01 0 67.28 0.00 1.74 0.25 0.09 30.65 07:40:01 1 47.78 0.00 1.11 0.12 0.09 50.90 07:40:01 2 60.15 0.00 0.99 0.03 0.09 38.73 07:40:01 3 52.55 0.00 1.29 0.15 0.09 45.93 Average: all 54.91 0.00 0.98 0.08 0.09 43.94 Average: 0 58.16 0.00 1.19 0.12 0.09 40.44 Average: 1 46.44 0.00 0.93 0.09 0.09 52.46 Average: 2 55.08 0.00 0.77 0.02 0.09 44.04 Average: 3 59.99 0.00 1.02 0.08 0.09 38.82