---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31251 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: 5600.00 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 8.2G 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 789 4871 4 2576 7152 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:b3:ac:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81747sec preferred_lft 81747sec inet6 fe80::f816:3eff:feb3:ac33/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31251) 06/28/26 _x86_64_ (2 CPU) 00:16:27 LINUX RESTART (2 CPU) 00:20:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 1.57 0.03 1.53 0.01 1.27 18.65 448.24 00:40:18 36.58 2.94 18.66 14.97 221.45 3365.82 105411.85 00:50:17 1.31 0.00 1.29 0.01 0.00 15.85 0.96 01:00:01 1.54 0.00 1.52 0.02 0.00 19.16 0.56 01:10:18 2.06 0.24 1.80 0.02 30.13 361.69 1.57 01:20:09 1.47 0.00 1.45 0.02 0.00 201.91 2.95 01:30:01 1.52 0.00 1.49 0.03 0.00 19.16 3.08 Average: 6.74 0.47 4.04 2.22 37.28 588.48 15608.23 00:20:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 6276260 7522548 298176 3.67 30592 1421576 519904 5.66 446296 1183248 124 00:40:18 5069344 7240032 527732 6.49 86008 2245360 779340 8.49 726108 2016860 132 00:50:17 4970516 7141672 626148 7.70 86156 2245744 875464 9.54 821628 2017384 200 01:00:01 4914972 7086788 680968 8.37 86308 2246244 931380 10.14 860208 2018044 124 01:10:18 4855900 7157280 608844 7.49 86612 2374248 1074820 11.71 821496 2137576 13412 01:20:09 4716652 7060728 704644 8.66 86784 2416168 1154168 12.57 901476 2179552 132 01:30:01 4724376 7069136 696108 8.56 86952 2416640 1145592 12.48 892248 2180192 124 Average: 5075431 7182598 591803 7.28 78487 2195140 925810 10.08 781351 1961837 2035 00:20:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 1.16 0.09 0.17 0.07 0.00 0.00 0.00 0.00 00:40:18 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 00:40:18 ens3 88.21 62.45 609.54 12.60 0.00 0.00 0.00 0.00 00:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:17 ens3 21.09 18.70 305.36 1.28 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 76.99 73.18 1219.09 4.81 0.00 0.00 0.00 0.00 01:10:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:18 ens3 33.49 31.30 525.74 2.11 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 30.16 28.56 473.14 1.93 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 14.00 13.56 220.48 0.94 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 38.11 32.68 479.25 3.44 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31251) 06/28/26 _x86_64_ (2 CPU) 00:16:27 LINUX RESTART (2 CPU) 00:20:18 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.25 0.00 0.17 0.06 0.03 99.50 00:30:01 0 0.07 0.00 0.18 0.10 0.04 99.61 00:30:01 1 0.42 0.00 0.15 0.01 0.03 99.39 00:40:18 all 11.68 0.00 1.77 1.06 0.06 85.44 00:40:18 0 10.48 0.00 1.70 1.33 0.06 86.44 00:40:18 1 12.87 0.00 1.84 0.79 0.05 84.45 00:50:17 all 0.51 0.00 0.21 0.01 0.06 99.21 00:50:17 0 0.53 0.00 0.32 0.00 0.09 99.06 00:50:17 1 0.49 0.00 0.09 0.01 0.04 99.37 01:00:01 all 1.01 0.00 0.61 0.01 0.07 98.30 01:00:01 0 0.78 0.00 0.48 0.01 0.07 98.65 01:00:01 1 1.23 0.00 0.75 0.01 0.06 97.95 01:10:18 all 0.95 0.00 0.29 0.03 0.08 98.65 01:10:18 0 0.71 0.00 0.19 0.01 0.07 99.03 01:10:18 1 1.20 0.00 0.40 0.05 0.09 98.27 01:20:09 all 0.73 0.00 0.24 0.01 0.08 98.94 01:20:09 0 0.69 0.00 0.19 0.02 0.07 99.04 01:20:09 1 0.77 0.00 0.29 0.01 0.09 98.84 01:30:01 all 0.54 0.00 0.31 0.01 0.07 99.06 01:30:01 0 0.54 0.00 0.19 0.01 0.05 99.21 01:30:01 1 0.54 0.00 0.42 0.01 0.10 98.92 Average: all 2.29 0.00 0.52 0.17 0.06 96.95 Average: 0 2.02 0.00 0.47 0.22 0.06 97.23 Average: 1 2.56 0.00 0.57 0.13 0.07 96.67