---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34180 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: 5599.99 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 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 740 5220 4 2272 7200 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:53:be:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.152/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84044sec preferred_lft 84044sec inet6 fe80::f816:3eff:fe53:bed3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34180) 08/11/26 _x86_64_ (2 CPU) 03:06:21 LINUX RESTART (2 CPU) 03:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:01 13.07 1.28 10.30 1.50 112.22 1392.05 545.84 03:30:08 2.37 0.70 1.64 0.02 93.08 77.03 55.86 03:40:08 1.28 0.01 1.27 0.01 1.05 15.68 0.05 Average: 5.53 0.66 4.36 0.50 68.69 489.25 198.46 03:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:01 5230588 7408256 359676 4.42 85996 2252252 624000 6.80 578148 2024168 160 03:30:08 5172796 7379460 387720 4.77 86412 2280748 809868 8.82 595004 2042768 132 03:40:08 5196296 7403788 363524 4.47 86572 2281412 624200 6.80 589004 2043280 140 Average: 5199893 7397168 370307 4.55 86327 2271471 686023 7.47 587385 2036739 144 03:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:20:01 ens3 31.42 20.34 40.41 5.36 0.00 0.00 0.00 0.00 03:30:08 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:30:08 ens3 1.04 0.44 3.33 0.10 0.00 0.00 0.00 0.00 03:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:08 ens3 0.56 0.24 0.13 0.06 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 10.87 6.92 14.47 1.81 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34180) 08/11/26 _x86_64_ (2 CPU) 03:06:21 LINUX RESTART (2 CPU) 03:10:09 CPU %user %nice %system %iowait %steal %idle 03:20:01 all 6.10 0.00 1.01 0.19 0.07 92.63 03:20:01 0 8.41 0.00 1.15 0.28 0.08 90.09 03:20:01 1 3.79 0.00 0.88 0.11 0.05 95.17 03:30:08 all 0.54 0.00 0.28 0.02 0.06 99.09 03:30:08 0 0.46 0.00 0.27 0.03 0.08 99.17 03:30:08 1 0.62 0.00 0.30 0.01 0.05 99.01 03:40:08 all 0.39 0.00 0.13 0.01 0.07 99.42 03:40:08 0 0.49 0.00 0.06 0.01 0.04 99.40 03:40:08 1 0.28 0.00 0.19 0.00 0.10 99.43 Average: all 2.32 0.00 0.47 0.07 0.07 97.07 Average: 0 3.08 0.00 0.49 0.11 0.06 96.26 Average: 1 1.55 0.00 0.45 0.04 0.07 97.88