---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66029 6.8.0-146-generic #146-Ubuntu SMP PREEMPT_DYNAMIC Thu Sep 3 16:12:30 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): 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 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: 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 Tsa: 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 911 4891 4 2439 7030 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:36:8a:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84048sec preferred_lft 84048sec inet6 fe80::f816:3eff:fe36:8a63/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-146-generic (prd-ubuntu2404-robot-2c-8g-66029) 10/20/26 _x86_64_ (2 CPU) 23:05:29 LINUX RESTART (2 CPU) 23:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:20 6.75 0.04 6.14 0.57 3.09 912.96 235.63 23:30:20 17.00 0.33 2.18 14.50 42.83 144.38 105711.78 23:40:01 1.62 0.00 1.62 0.00 0.00 57.61 0.00 Average: 8.51 0.12 3.36 5.03 15.33 380.79 35309.71 23:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:20 5032896 7303032 456984 5.62 113392 2312052 799772 8.71 684032 2099212 128 23:30:20 4955596 7274544 484248 5.95 113732 2360196 1007224 10.97 699856 2137572 220 23:40:01 4954900 7286820 471804 5.80 113860 2372868 1007420 10.97 700276 2150232 1812 Average: 4981131 7288132 471012 5.79 113661 2348372 938139 10.22 694721 2129005 720 23:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:20 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 23:20:20 ens3 28.57 23.28 6.43 5.01 0.00 0.00 0.00 0.00 23:30:20 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 23:30:20 ens3 16.35 14.82 6.36 1.96 0.00 0.00 0.00 0.00 23:40:01 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 23:40:01 ens3 29.60 28.32 6.74 4.28 0.00 0.00 0.00 0.00 Average: lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 24.83 22.09 6.51 3.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-146-generic (prd-ubuntu2404-robot-2c-8g-66029) 10/20/26 _x86_64_ (2 CPU) 23:05:29 LINUX RESTART (2 CPU) 23:10:01 CPU %user %nice %system %iowait %steal %idle 23:20:20 all 4.65 0.00 0.65 0.07 0.01 94.61 23:20:20 0 4.90 0.00 0.69 0.09 0.01 94.31 23:20:20 1 4.41 0.00 0.61 0.05 0.01 94.92 23:30:20 all 2.99 0.00 0.46 0.06 0.01 96.48 23:30:20 0 1.67 0.00 0.41 0.01 0.01 97.90 23:30:20 1 4.32 0.00 0.51 0.11 0.01 95.05 23:40:01 all 3.25 0.00 0.51 0.03 0.01 96.20 23:40:01 0 3.36 0.00 0.51 0.00 0.01 96.12 23:40:01 1 3.14 0.00 0.51 0.05 0.01 96.29 Average: all 3.65 0.00 0.54 0.05 0.01 95.75 Average: 0 3.33 0.00 0.54 0.04 0.01 96.09 Average: 1 3.97 0.00 0.54 0.07 0.01 95.40