---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40266 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 9.7G 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 631 11305 4 4052 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:e8:8b:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.91/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85032sec preferred_lft 85032sec inet6 fe80::f816:3eff:fee8:8b93/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:f2:f0:20:08:1a 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-40266) 08/23/26 _x86_64_ (4 CPU) 01:08:19 LINUX RESTART (4 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:09 26.57 3.55 20.89 2.13 206.35 5515.77 20510.20 01:30:10 10.66 0.01 9.07 1.58 0.17 611.49 19368.27 Average: 18.66 1.79 15.02 1.85 103.90 3078.77 19942.76 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:09 9589316 13268224 2690524 16.43 128880 3666492 3006840 17.26 677112 5719120 12504 01:30:10 9271400 13075476 2881760 17.60 137788 3772580 3093772 17.76 701320 5990540 104 Average: 9430358 13171850 2786142 17.02 133334 3719536 3050306 17.51 689216 5854830 6304 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:09 lo 0.72 0.72 0.07 0.07 0.00 0.00 0.00 0.00 01:20:09 ens3 95.48 72.33 1079.56 14.21 0.00 0.00 0.00 0.00 01:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:10 lo 58.83 58.83 14.67 14.67 0.00 0.00 0.00 0.00 01:30:10 ens3 4.66 3.57 3.97 1.35 0.00 0.00 0.00 0.00 01:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 29.59 29.59 7.33 7.33 0.00 0.00 0.00 0.00 Average: ens3 50.35 38.16 545.09 7.82 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-40266) 08/23/26 _x86_64_ (4 CPU) 01:08:19 LINUX RESTART (4 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:09 all 30.73 0.00 1.29 0.53 0.13 67.33 01:20:09 0 30.71 0.00 1.10 0.78 0.08 67.34 01:20:09 1 29.94 0.00 1.61 0.27 0.08 68.10 01:20:09 2 30.52 0.00 1.26 0.34 0.24 67.63 01:20:09 3 31.77 0.00 1.18 0.72 0.10 66.24 01:30:10 all 14.08 0.00 0.80 0.06 0.09 84.96 01:30:10 0 13.72 0.00 0.86 0.05 0.10 85.28 01:30:10 1 14.59 0.00 0.81 0.11 0.10 84.39 01:30:10 2 13.81 0.00 0.83 0.05 0.09 85.22 01:30:10 3 14.20 0.00 0.72 0.02 0.09 84.96 Average: all 22.46 0.00 1.05 0.29 0.11 76.09 Average: 0 22.27 0.00 0.98 0.41 0.09 76.26 Average: 1 22.32 0.00 1.21 0.19 0.09 76.19 Average: 2 22.22 0.00 1.05 0.20 0.17 76.37 Average: 3 23.03 0.00 0.95 0.37 0.10 75.55