---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1005 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 633 10430 4 4925 15013 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:5d:ac:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84749sec preferred_lft 84749sec inet6 fe80::f816:3eff:fe5d:ac20/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:81:db:16:0e:7c 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-1005) 04/07/26 _x86_64_ (4 CPU) 14:56:20 LINUX RESTART (4 CPU) 15:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:10 5.19 0.32 4.58 0.29 215.46 888.43 617.68 15:20:10 12.93 0.52 11.58 0.83 19.01 2712.05 3764.92 Average: 9.06 0.42 8.08 0.56 117.23 1800.31 2191.42 15:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:10 8315916 11424036 4538812 27.72 113872 3157716 4690900 26.93 555996 7155964 360 15:20:10 10089824 13625832 2333416 14.25 133172 3536584 2503000 14.37 718036 5156908 1596 Average: 9202870 12524934 3436114 20.99 123522 3347150 3596950 20.65 637016 6156436 978 15:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:10 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 15:10:10 ens3 13.56 10.64 93.92 2.16 0.00 0.00 0.00 0.00 15:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:10 lo 213.79 213.79 203.51 203.51 0.00 0.00 0.00 0.00 15:20:10 ens3 31.52 24.94 408.87 3.38 0.00 0.00 0.00 0.00 15:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 107.21 107.21 101.96 101.96 0.00 0.00 0.00 0.00 Average: ens3 22.54 17.79 251.41 2.77 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-1005) 04/07/26 _x86_64_ (4 CPU) 14:56:20 LINUX RESTART (4 CPU) 15:00:10 CPU %user %nice %system %iowait %steal %idle 15:10:10 all 45.69 0.00 0.69 0.16 0.08 53.38 15:10:10 0 42.00 0.00 0.75 0.14 0.08 57.03 15:10:10 1 35.59 0.00 0.67 0.34 0.08 63.32 15:10:10 2 63.15 0.00 0.66 0.07 0.10 36.02 15:10:10 3 42.05 0.00 0.68 0.07 0.07 57.13 15:20:10 all 51.17 0.00 0.99 2.25 0.09 45.50 15:20:10 0 47.80 0.00 1.02 2.68 0.09 48.41 15:20:10 1 49.43 0.00 1.00 2.62 0.10 46.85 15:20:10 2 53.30 0.00 1.07 3.02 0.10 42.52 15:20:10 3 54.16 0.00 0.86 0.67 0.09 44.21 Average: all 48.43 0.00 0.84 1.20 0.09 49.44 Average: 0 44.90 0.00 0.89 1.41 0.08 52.72 Average: 1 42.50 0.00 0.83 1.48 0.09 55.10 Average: 2 58.23 0.00 0.86 1.55 0.10 39.27 Average: 3 48.11 0.00 0.77 0.37 0.08 50.67