---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38108 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 8.1G 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 768 5103 4 2363 7173 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:4d:cb:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84217sec preferred_lft 84217sec inet6 fe80::f816:3eff:fe4d:cb6f/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-38108) 08/16/26 _x86_64_ (2 CPU) 02:14:50 LINUX RESTART (2 CPU) 02:20:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:16 2.45 0.73 1.70 0.02 94.90 76.94 261.29 02:40:16 14.57 0.00 1.31 13.26 0.15 16.47 109091.14 02:50:06 32.29 3.09 25.91 3.29 235.13 3760.33 2269.38 Average: 16.27 1.26 9.50 5.50 109.28 1264.12 37196.11 02:20:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:16 6252872 7529104 291680 3.59 31256 1450336 533312 5.81 460352 1202328 132 02:40:16 6267968 7544812 275920 3.39 31484 1450700 534044 5.82 458492 1202892 16 02:50:06 5243832 7354804 421308 5.18 88524 2189968 683160 7.44 659408 1953208 70908 Average: 5921557 7476240 329636 4.05 50421 1697001 583505 6.36 526084 1452809 23685 02:20:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:16 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:30:16 ens3 1.35 0.32 3.37 0.03 0.00 0.00 0.00 0.00 02:40:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:16 ens3 6.48 4.12 4.20 3.66 0.00 0.00 0.00 0.00 02:50:06 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 02:50:06 ens3 86.51 63.99 370.13 27.28 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 30.97 22.45 123.86 10.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38108) 08/16/26 _x86_64_ (2 CPU) 02:14:50 LINUX RESTART (2 CPU) 02:20:06 CPU %user %nice %system %iowait %steal %idle 02:30:16 all 0.38 0.00 0.20 0.03 0.04 99.35 02:30:16 0 0.48 0.00 0.19 0.03 0.03 99.28 02:30:16 1 0.28 0.00 0.22 0.03 0.04 99.43 02:40:16 all 0.43 0.00 0.11 0.03 0.03 99.39 02:40:16 0 0.52 0.00 0.12 0.05 0.03 99.29 02:40:16 1 0.34 0.00 0.11 0.01 0.04 99.49 02:50:06 all 18.83 0.00 2.10 0.53 0.07 78.46 02:50:06 0 14.78 0.00 2.17 0.70 0.07 82.29 02:50:06 1 22.90 0.00 2.03 0.36 0.08 74.63 Average: all 6.44 0.00 0.80 0.19 0.05 92.52 Average: 0 5.18 0.00 0.81 0.26 0.04 93.72 Average: 1 7.71 0.00 0.78 0.13 0.05 91.33