---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8200 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 764 5208 4 2266 7177 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:f0:61:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.108/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 6412sec preferred_lft 6412sec inet6 fe80::f816:3eff:fef0:61f4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8200) 04/27/26 _x86_64_ (2 CPU) 00:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:17 1.62 0.01 1.59 0.01 0.79 20.39 0.27 00:20:01 1.68 0.11 1.53 0.03 3.14 22.19 508.67 00:30:17 1.53 0.00 1.51 0.02 0.00 17.28 0.83 00:40:17 24.53 3.15 17.82 3.56 229.97 3221.91 2355.55 00:50:01 1.60 0.00 1.59 0.01 0.00 18.09 0.22 01:00:10 1.69 0.00 1.67 0.02 0.00 19.10 0.28 01:10:17 6.57 0.08 4.90 1.59 6.06 243.57 2296.38 Average: 5.60 0.48 4.37 0.75 34.14 507.32 736.40 00:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:17 6094936 7497612 310960 3.82 54036 1544712 549416 5.98 480616 1313444 364 00:20:01 6112340 7476608 331896 4.08 54172 1506112 547444 5.96 479192 1274760 268 00:30:17 6117264 7482020 326476 4.01 54316 1506436 547444 5.96 479236 1275232 212 00:40:17 5189948 7386000 374984 4.61 103712 2247680 641400 6.99 604344 2020428 204 00:50:01 5190956 7387436 373416 4.59 103820 2248040 696476 7.59 609580 2020892 284 01:00:10 5185096 7382048 378908 4.66 103932 2248388 642568 7.00 604568 2021356 256 01:10:17 5386100 7401212 368880 4.54 106104 2072712 620172 6.75 609608 1846100 25740 Average: 5610949 7430419 352217 4.33 82870 1910583 606417 6.61 552449 1681745 3904 00:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:17 ens3 0.29 0.06 0.07 0.03 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 0.15 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:17 ens3 0.29 0.09 0.11 0.06 0.00 0.00 0.00 0.00 00:40:17 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:17 ens3 64.48 44.44 300.01 11.44 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 3.21 0.33 0.46 0.11 0.00 0.00 0.00 0.00 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 0.64 0.18 0.11 0.05 0.00 0.00 0.00 0.00 01:10:17 lo 1.09 1.09 0.07 0.07 0.00 0.00 0.00 0.00 01:10:17 ens3 8.86 5.96 9.65 2.80 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 11.09 7.28 44.19 2.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8200) 04/27/26 _x86_64_ (2 CPU) 00:00:00 CPU %user %nice %system %iowait %steal %idle 00:10:17 all 0.24 0.00 0.09 0.02 0.03 99.63 00:10:17 0 0.11 0.00 0.10 0.01 0.03 99.75 00:10:17 1 0.37 0.00 0.08 0.02 0.02 99.51 00:20:01 all 0.63 0.00 0.22 0.01 0.03 99.11 00:20:01 0 0.77 0.00 0.25 0.01 0.03 98.94 00:20:01 1 0.48 0.00 0.19 0.02 0.03 99.29 00:30:17 all 0.27 0.00 0.13 0.01 0.03 99.56 00:30:17 0 0.48 0.00 0.11 0.01 0.02 99.38 00:30:17 1 0.06 0.00 0.16 0.01 0.03 99.73 00:40:17 all 10.55 0.00 1.63 0.54 0.05 87.23 00:40:17 0 10.21 0.00 1.56 0.44 0.05 87.74 00:40:17 1 10.89 0.00 1.70 0.65 0.05 86.72 00:50:01 all 0.40 0.00 0.13 0.02 0.05 99.39 00:50:01 0 0.47 0.00 0.12 0.01 0.04 99.36 00:50:01 1 0.34 0.00 0.15 0.04 0.06 99.41 01:00:10 all 0.41 0.00 0.21 0.01 0.05 99.32 01:00:10 0 0.40 0.00 0.20 0.01 0.05 99.34 01:00:10 1 0.41 0.00 0.22 0.00 0.05 99.31 01:10:17 all 3.95 0.00 0.56 0.11 0.06 95.33 01:10:17 0 0.84 0.00 0.35 0.02 0.06 98.73 01:10:17 1 7.05 0.00 0.77 0.20 0.06 91.92 Average: all 2.34 0.00 0.42 0.10 0.04 97.09 Average: 0 1.89 0.00 0.38 0.07 0.04 97.62 Average: 1 2.80 0.00 0.47 0.13 0.04 96.56