---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15467 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 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 636 10592 4 4761 15010 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:22:65:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84725sec preferred_lft 84725sec inet6 fe80::f816:3eff:fe22:658b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:40:2e:ed:33:fe 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-15467) 05/15/26 _x86_64_ (4 CPU) 09:56:22 LINUX RESTART (4 CPU) 10:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 4.96 0.26 4.50 0.21 25.60 950.93 150.05 10:20:21 11.27 0.51 10.09 0.67 18.44 1669.49 2337.41 Average: 8.19 0.39 7.36 0.45 21.94 1318.37 1268.59 10:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 8755576 11732836 4231056 25.84 111708 3032188 4353356 24.99 492588 6768872 308 10:20:21 10201484 13608620 2351596 14.36 130308 3415332 2502748 14.37 655244 5143204 9420 Average: 9478530 12670728 3291326 20.10 121008 3223760 3428052 19.68 573916 5956038 4864 10:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 10:10:01 ens3 13.34 11.08 81.41 2.89 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:21 lo 160.33 160.33 152.40 152.40 0.00 0.00 0.00 0.00 10:20:21 ens3 35.96 25.97 400.06 3.31 0.00 0.00 0.00 0.00 10:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 82.29 82.29 78.12 78.12 0.00 0.00 0.00 0.00 Average: ens3 24.91 18.69 244.36 3.11 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-15467) 05/15/26 _x86_64_ (4 CPU) 09:56:22 LINUX RESTART (4 CPU) 10:00:09 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 48.92 0.00 0.76 0.05 0.09 50.18 10:10:01 0 43.80 0.00 0.63 0.02 0.09 55.47 10:10:01 1 45.56 0.00 0.86 0.11 0.09 53.38 10:10:01 2 45.63 0.00 0.78 0.04 0.09 53.47 10:10:01 3 60.67 0.00 0.79 0.04 0.10 38.41 10:20:21 all 52.35 0.00 0.86 0.04 0.08 46.67 10:20:21 0 74.23 0.00 0.97 0.01 0.09 24.70 10:20:21 1 50.09 0.00 0.64 0.01 0.08 49.18 10:20:21 2 39.64 0.00 0.96 0.06 0.08 59.27 10:20:21 3 45.46 0.00 0.88 0.06 0.07 53.53 Average: all 50.67 0.00 0.81 0.04 0.09 48.38 Average: 0 59.35 0.00 0.80 0.01 0.09 39.75 Average: 1 47.88 0.00 0.74 0.06 0.09 51.23 Average: 2 42.57 0.00 0.87 0.05 0.08 56.43 Average: 3 52.90 0.00 0.84 0.05 0.08 46.13