---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37859 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 5600.00 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 638 10157 4 5193 15008 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:3c:f1:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.201/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84788sec preferred_lft 84788sec inet6 fe80::f816:3eff:fe3c:f1cb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:a5:27:9e:8b:9a 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-37859) 07/23/26 _x86_64_ (4 CPU) 00:25:59 LINUX RESTART (4 CPU) 00:30:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 7.38 0.44 6.42 0.51 50.98 1447.37 17339.00 00:50:01 17.17 0.52 15.38 1.28 19.18 2388.18 6980.01 Average: 12.32 0.48 10.94 0.90 34.93 1922.30 12109.71 00:30:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 9182256 12493008 3468088 21.18 119560 3341384 3655264 20.98 514520 6300896 6592 00:50:01 9507988 13407424 2549576 15.57 140060 3874716 2766224 15.88 716408 5755940 112028 Average: 9345122 12950216 3008832 18.38 129810 3608050 3210744 18.43 615464 6028418 59310 00:30:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 0.65 0.65 0.39 0.39 0.00 0.00 0.00 0.00 00:40:01 ens3 36.68 20.16 412.92 3.98 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 lo 483.53 483.53 460.55 460.55 0.00 0.00 0.00 0.00 00:50:01 ens3 50.02 32.87 453.49 5.30 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 244.41 244.41 232.68 232.68 0.00 0.00 0.00 0.00 Average: ens3 43.42 26.58 433.40 4.65 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-37859) 07/23/26 _x86_64_ (4 CPU) 00:25:59 LINUX RESTART (4 CPU) 00:30:13 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 47.75 0.00 0.77 0.15 0.08 51.25 00:40:01 0 46.21 0.00 0.83 0.08 0.08 52.81 00:40:01 1 40.45 0.00 0.67 0.12 0.07 58.68 00:40:01 2 53.61 0.00 0.93 0.27 0.08 45.11 00:40:01 3 50.73 0.00 0.66 0.14 0.09 48.38 00:50:01 all 62.15 0.00 1.32 0.05 0.10 36.38 00:50:01 0 52.07 0.00 1.39 0.08 0.10 46.36 00:50:01 1 63.29 0.00 1.13 0.02 0.10 35.47 00:50:01 2 78.36 0.00 1.42 0.05 0.10 20.07 00:50:01 3 54.88 0.00 1.33 0.05 0.10 43.65 Average: all 55.01 0.00 1.05 0.10 0.09 43.75 Average: 0 49.17 0.00 1.11 0.08 0.09 49.55 Average: 1 51.96 0.00 0.90 0.07 0.09 46.99 Average: 2 66.10 0.00 1.18 0.16 0.09 32.47 Average: 3 52.82 0.00 1.00 0.10 0.09 45.99