---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31755 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 8.1G 30G 22% / 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 767 5020 4 2454 7174 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:1a:19:c3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81930sec preferred_lft 81930sec inet6 fe80::f816:3eff:fe1a:19c3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31755) 06/30/26 _x86_64_ (2 CPU) 01:46:35 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.52 0.02 1.48 0.01 1.24 18.70 653.77 02:10:07 1.24 0.01 1.23 0.00 0.05 15.31 0.12 02:20:01 1.12 0.00 1.12 0.00 0.01 13.50 0.12 02:30:01 14.52 0.26 1.70 12.56 32.17 77.41 109751.58 02:40:07 1.34 0.00 1.34 0.00 0.00 15.53 0.00 02:50:01 1.21 0.00 1.21 0.00 0.00 14.71 0.04 03:00:01 27.49 3.01 21.76 2.72 227.73 3566.75 1415.61 Average: 6.92 0.47 4.26 2.19 37.31 531.71 15974.50 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6284160 7530664 289652 3.56 30568 1421812 530856 5.78 445212 1183252 160 02:10:07 6291720 7538756 281524 3.46 30764 1422144 530876 5.78 445308 1183780 176 02:20:01 6290572 7538100 282164 3.47 30924 1422472 530876 5.78 445360 1184268 180 02:30:01 6234408 7509420 310264 3.82 31284 1449184 530876 5.78 454452 1202236 156 02:40:07 6234184 7509800 309868 3.81 31436 1449644 531096 5.78 454748 1202716 296 02:50:01 6238648 7514768 304928 3.75 31600 1449968 531700 5.79 457496 1203204 272 03:00:01 5171368 7368980 397488 4.89 88208 2269300 640664 6.98 628224 2033428 24320 Average: 6106437 7501498 310841 3.82 39255 1554932 546706 5.95 475829 1313269 3651 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.03 0.06 0.11 0.03 0.00 0.00 0.00 0.00 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 0.42 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 1.67 0.04 9.79 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.66 0.26 3.69 0.03 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.32 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.35 0.08 0.10 0.05 0.00 0.00 0.00 0.00 03:00:01 lo 1.33 1.33 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 109.28 78.58 326.88 19.57 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.25 11.30 48.66 2.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31755) 06/30/26 _x86_64_ (2 CPU) 01:46:35 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.31 0.00 0.17 0.03 0.03 99.46 02:00:01 0 0.23 0.00 0.19 0.04 0.03 99.52 02:00:01 1 0.38 0.00 0.16 0.03 0.03 99.41 02:10:07 all 0.21 0.00 0.07 0.04 0.03 99.64 02:10:07 0 0.10 0.00 0.07 0.04 0.03 99.75 02:10:07 1 0.32 0.00 0.07 0.04 0.03 99.53 02:20:01 all 0.26 0.00 0.07 0.04 0.03 99.60 02:20:01 0 0.13 0.00 0.08 0.03 0.03 99.72 02:20:01 1 0.38 0.00 0.06 0.05 0.03 99.48 02:30:01 all 0.39 0.00 0.20 0.07 0.03 99.31 02:30:01 0 0.43 0.00 0.18 0.04 0.02 99.34 02:30:01 1 0.35 0.00 0.22 0.11 0.03 99.29 02:40:07 all 0.25 0.00 0.07 0.01 0.03 99.64 02:40:07 0 0.05 0.00 0.08 0.00 0.03 99.84 02:40:07 1 0.45 0.00 0.06 0.02 0.03 99.44 02:50:01 all 0.27 0.00 0.08 0.18 0.02 99.45 02:50:01 0 0.06 0.00 0.08 0.09 0.02 99.75 02:50:01 1 0.48 0.00 0.07 0.28 0.03 99.15 03:00:01 all 13.57 0.00 2.02 3.41 0.06 80.93 03:00:01 0 15.07 0.00 2.07 3.73 0.06 79.07 03:00:01 1 12.07 0.00 1.98 3.09 0.06 82.79 Average: all 2.18 0.00 0.38 0.54 0.03 96.87 Average: 0 2.29 0.00 0.39 0.57 0.03 96.72 Average: 1 2.06 0.00 0.37 0.52 0.03 97.02