---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32433 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 10562 4 4794 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:97:70:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84742sec preferred_lft 84742sec inet6 fe80::f816:3eff:fe97:704d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:be:bb:10:6d:25 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-32433) 03/25/26 _x86_64_ (4 CPU) 07:24:14 LINUX RESTART (4 CPU) 07:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:01 3.73 0.07 3.49 0.18 7.10 601.09 187.24 07:50:02 17.98 0.51 16.08 1.39 18.97 2285.78 10784.04 Average: 10.86 0.29 9.79 0.78 13.04 1444.05 5489.49 07:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:01 10053372 13063592 2900048 17.71 113488 3058920 3061036 17.57 499536 5483256 8764 07:50:02 9266356 12968072 2990736 18.27 133556 3693708 3099976 17.79 701668 6010656 272872 Average: 9659864 13015832 2945392 17.99 123522 3376314 3080506 17.68 600602 5746956 140818 07:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:01 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 07:40:01 ens3 9.56 7.81 36.40 2.35 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 07:50:02 lo 467.72 467.72 445.61 445.61 0.00 0.00 0.00 0.00 07:50:02 ens3 36.19 27.01 407.93 3.83 0.00 0.00 0.00 0.00 07:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 234.34 234.34 223.16 223.16 0.00 0.00 0.00 0.00 Average: ens3 22.89 17.42 222.30 3.09 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-32433) 03/25/26 _x86_64_ (4 CPU) 07:24:14 LINUX RESTART (4 CPU) 07:30:02 CPU %user %nice %system %iowait %steal %idle 07:40:01 all 49.95 0.00 0.73 0.02 0.09 49.22 07:40:01 0 43.22 0.00 0.53 0.02 0.08 56.15 07:40:01 1 51.75 0.00 0.59 0.03 0.09 47.54 07:40:01 2 55.38 0.00 1.02 0.01 0.09 43.50 07:40:01 3 49.43 0.00 0.79 0.01 0.08 49.70 07:50:02 all 56.20 0.00 1.36 0.06 0.11 42.28 07:50:02 0 75.47 0.00 1.38 0.08 0.12 22.96 07:50:02 1 58.81 0.00 1.36 0.05 0.11 39.67 07:50:02 2 46.04 0.00 1.41 0.04 0.10 52.41 07:50:02 3 44.53 0.00 1.31 0.05 0.10 54.02 Average: all 53.08 0.00 1.05 0.04 0.10 45.74 Average: 0 59.36 0.00 0.96 0.05 0.10 39.54 Average: 1 55.28 0.00 0.97 0.04 0.10 43.60 Average: 2 50.71 0.00 1.21 0.03 0.10 47.96 Average: 3 46.97 0.00 1.05 0.03 0.09 51.86