---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2250 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 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: 5599.86 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 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 8.0G 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 778 5185 4 2270 7163 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:5a:b0:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83932sec preferred_lft 83932sec inet6 fe80::f816:3eff:fe5a:b01e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2250) 08/05/26 _x86_64_ (2 CPU) 02:54:11 LINUX RESTART (2 CPU) 03:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:00 11.79 1.25 9.16 1.38 109.37 1457.85 257.19 03:20:00 1.21 0.00 1.21 0.00 0.01 15.07 0.00 03:30:00 2.37 0.71 1.65 0.02 94.13 76.87 56.35 Average: 5.12 0.65 4.00 0.47 67.84 516.60 104.51 03:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:00 5192136 7369576 398108 4.90 86416 2251268 658684 7.17 600996 2024108 168 03:20:00 5196716 7374648 392992 4.83 86572 2251620 658748 7.18 601744 2024608 152 03:30:00 5141760 7348580 418460 5.15 86952 2280040 844076 9.19 618520 2043104 120 Average: 5176871 7364268 403187 4.96 86647 2260976 720503 7.85 607087 2030607 147 03:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:00 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 03:10:00 ens3 30.83 20.83 39.82 5.43 0.00 0.00 0.00 0.00 03:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:00 ens3 0.86 0.24 0.14 0.07 0.00 0.00 0.00 0.00 03:30:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:30:00 ens3 0.79 0.40 3.34 0.08 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.83 7.16 14.44 1.86 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2250) 08/05/26 _x86_64_ (2 CPU) 02:54:11 LINUX RESTART (2 CPU) 03:00:00 CPU %user %nice %system %iowait %steal %idle 03:10:00 all 6.37 0.00 1.01 0.15 0.05 92.42 03:10:00 0 5.97 0.00 1.09 0.23 0.05 92.67 03:10:00 1 6.78 0.00 0.93 0.07 0.05 92.18 03:20:00 all 0.36 0.00 0.13 0.01 0.05 99.46 03:20:00 0 0.45 0.00 0.07 0.01 0.02 99.45 03:20:00 1 0.27 0.00 0.19 0.01 0.07 99.46 03:30:00 all 0.52 0.00 0.24 0.02 0.06 99.15 03:30:00 0 0.68 0.00 0.23 0.04 0.05 99.01 03:30:00 1 0.37 0.00 0.26 0.01 0.07 99.30 Average: all 2.42 0.00 0.46 0.06 0.05 97.01 Average: 0 2.36 0.00 0.46 0.09 0.04 97.05 Average: 1 2.47 0.00 0.46 0.03 0.06 96.98