---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4676 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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): 2 On-line CPU(s) list: 0,1 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): 2 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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 Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 743 5300 4 2186 7198 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:a4:13:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81473sec preferred_lft 81473sec inet6 fe80::f816:3eff:fea4:13ea/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4676) 04/20/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:14 1.47 0.01 1.43 0.03 0.80 17.47 427.07 00:20:01 1.50 0.12 1.36 0.02 3.56 17.48 316.66 00:30:01 1.41 0.00 1.40 0.01 0.00 17.33 435.45 00:40:12 19.75 2.95 14.76 2.03 223.17 2465.29 733.12 00:50:01 3.38 0.01 3.21 0.16 1.10 668.64 5.77 Average: 5.56 0.63 4.47 0.46 46.52 643.74 386.74 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:14 6246812 7527956 291832 3.59 31344 1454976 736724 8.02 461212 1205508 132 00:20:01 6240968 7522788 296828 3.65 31652 1455272 735968 8.02 461428 1205896 244 00:30:01 6248712 7531180 288420 3.55 31824 1455728 736032 8.02 463728 1206396 244 00:40:12 5301512 7415796 355608 4.37 84968 2193316 790536 8.61 583876 1951692 181588 00:50:01 5271480 7389052 382320 4.70 85480 2196032 840056 9.15 600204 1954796 628 Average: 5861897 7477354 323002 3.97 53054 1751065 767863 8.36 514090 1504858 36567 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:14 ens3 0.31 0.06 0.08 0.04 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.24 0.06 0.05 0.02 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.40 0.08 0.11 0.05 0.00 0.00 0.00 0.00 00:40:12 lo 1.28 1.28 0.09 0.09 0.00 0.00 0.00 0.00 00:40:12 ens3 41.97 26.71 289.68 7.43 0.00 0.00 0.00 0.00 00:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 33.09 23.27 30.28 5.22 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.24 10.05 64.98 2.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4676) 04/20/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:14 all 0.26 0.00 0.10 0.09 0.03 99.51 00:10:14 0 0.47 0.00 0.09 0.02 0.03 99.38 00:10:14 1 0.06 0.00 0.12 0.15 0.03 99.64 00:20:01 all 0.49 0.00 0.21 0.08 0.02 99.20 00:20:01 0 0.48 0.00 0.22 0.06 0.02 99.22 00:20:01 1 0.50 0.00 0.20 0.10 0.02 99.18 00:30:01 all 0.34 0.00 0.16 0.01 0.03 99.46 00:30:01 0 0.53 0.00 0.14 0.01 0.02 99.30 00:30:01 1 0.15 0.00 0.19 0.02 0.03 99.62 00:40:12 all 10.00 0.00 1.50 0.52 0.05 87.93 00:40:12 0 10.30 0.00 1.41 0.46 0.04 87.78 00:40:12 1 9.71 0.00 1.58 0.58 0.05 88.08 00:50:01 all 1.58 0.00 0.31 0.04 0.06 98.01 00:50:01 0 1.04 0.00 0.27 0.03 0.05 98.60 00:50:01 1 2.12 0.00 0.35 0.05 0.07 97.41 Average: all 2.56 0.00 0.46 0.15 0.04 96.79 Average: 0 2.59 0.00 0.43 0.12 0.03 96.82 Average: 1 2.53 0.00 0.49 0.18 0.04 96.75