---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37748 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 649 10545 4 4794 14997 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:59:ec:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84726sec preferred_lft 84726sec inet6 fe80::f816:3eff:fe59:ece4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:1d:c7:cd:d7:d4 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-37748) 03/25/26 _x86_64_ (4 CPU) 09:47:42 LINUX RESTART (4 CPU) 09:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:13 10.40 2.10 8.10 0.20 132.35 2626.93 259.05 10:10:13 3.41 0.01 3.31 0.10 0.29 485.47 14.80 Average: 6.90 1.05 5.70 0.15 66.32 1556.20 136.93 09:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:13 9601908 12562792 3400964 20.77 111944 3015536 3608412 20.71 488700 5936852 256 10:10:13 10237696 13336400 2626488 16.04 116180 3137968 2845788 16.33 515808 5262904 1124 Average: 9919802 12949596 3013726 18.41 114062 3076752 3227100 18.52 502254 5599878 690 09:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:13 lo 0.37 0.37 0.03 0.03 0.00 0.00 0.00 0.00 10:00:13 ens3 55.34 44.12 540.82 5.91 0.00 0.00 0.00 0.00 10:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:13 lo 0.50 0.50 0.37 0.37 0.00 0.00 0.00 0.00 10:10:13 ens3 5.95 4.71 30.25 1.12 0.00 0.00 0.00 0.00 10:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.43 0.43 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 30.64 24.42 285.54 3.51 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-37748) 03/25/26 _x86_64_ (4 CPU) 09:47:42 LINUX RESTART (4 CPU) 09:50:13 CPU %user %nice %system %iowait %steal %idle 10:00:13 all 51.57 0.00 0.99 0.23 0.11 47.10 10:00:13 0 48.50 0.00 0.83 0.21 0.11 50.35 10:00:13 1 49.56 0.00 1.11 0.40 0.11 48.82 10:00:13 2 55.40 0.00 1.05 0.16 0.12 43.28 10:00:13 3 52.80 0.00 0.96 0.16 0.11 45.97 10:10:13 all 44.87 0.00 0.56 0.04 0.09 54.44 10:10:13 0 33.12 0.00 0.42 0.02 0.08 66.37 10:10:13 1 39.75 0.00 0.50 0.01 0.08 59.66 10:10:13 2 68.93 0.00 0.66 0.06 0.13 30.22 10:10:13 3 37.70 0.00 0.65 0.08 0.09 61.49 Average: all 48.22 0.00 0.77 0.14 0.10 50.77 Average: 0 40.81 0.00 0.62 0.11 0.09 58.36 Average: 1 44.64 0.00 0.80 0.21 0.10 54.25 Average: 2 62.16 0.00 0.85 0.11 0.12 36.75 Average: 3 45.25 0.00 0.80 0.12 0.10 53.73