---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27163 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: 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 10G 68G 13% / 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 669 10904 4 4415 14977 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:cf:b0:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84986sec preferred_lft 84986sec inet6 fe80::f816:3eff:fecf:b0ce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:f7:0d:8c:46:3c 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-27163) 06/13/26 _x86_64_ (4 CPU) 21:39:30 LINUX RESTART (4 CPU) 21:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:50:01 42.40 4.56 36.89 0.94 468.83 4740.66 923.57 22:00:18 26.57 0.51 12.33 13.74 18.61 1993.09 237106.54 Average: 34.37 2.50 24.44 7.43 240.49 3347.17 120708.98 21:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:50:01 9267992 12423624 3539208 21.62 110044 3209020 3754536 21.55 534724 6222016 244 22:00:18 7970700 11879860 4078548 24.91 129916 3901628 4269308 24.51 757224 7255504 267464 Average: 8619346 12151742 3808878 23.26 119980 3555324 4011922 23.03 645974 6738760 133854 21:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:50:01 lo 0.58 0.58 0.06 0.06 0.00 0.00 0.00 0.00 21:50:01 ens3 120.82 87.00 974.17 14.68 0.00 0.00 0.00 0.00 21:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:18 lo 263.43 263.43 250.89 250.89 0.00 0.00 0.00 0.00 22:00:18 ens3 43.60 31.25 440.89 5.56 0.00 0.00 0.00 0.00 22:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 133.89 133.89 127.27 127.27 0.00 0.00 0.00 0.00 Average: ens3 81.66 58.73 703.71 10.06 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-27163) 06/13/26 _x86_64_ (4 CPU) 21:39:30 LINUX RESTART (4 CPU) 21:40:01 CPU %user %nice %system %iowait %steal %idle 21:50:01 all 48.47 0.00 1.20 0.29 0.08 49.97 21:50:01 0 42.17 0.00 1.04 0.15 0.08 56.57 21:50:01 1 54.27 0.00 1.25 0.09 0.08 44.31 21:50:01 2 46.47 0.00 1.10 0.14 0.07 52.21 21:50:01 3 51.00 0.00 1.40 0.77 0.08 46.76 22:00:18 all 49.70 0.00 1.00 0.07 0.07 49.16 22:00:18 0 39.87 0.00 0.94 0.04 0.08 59.07 22:00:18 1 59.31 0.00 1.12 0.12 0.07 39.38 22:00:18 2 54.42 0.00 1.18 0.06 0.08 44.27 22:00:18 3 45.22 0.00 0.75 0.05 0.06 53.91 Average: all 49.10 0.00 1.10 0.18 0.08 49.56 Average: 0 41.01 0.00 0.99 0.09 0.08 57.83 Average: 1 56.83 0.00 1.19 0.10 0.08 41.81 Average: 2 50.51 0.00 1.14 0.10 0.07 48.18 Average: 3 48.07 0.00 1.07 0.41 0.07 50.39