---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3702 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 773 5215 4 2244 7168 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:df:73:36 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.194/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84052sec preferred_lft 84052sec inet6 fe80::f816:3eff:fedf:7336/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3702) 08/09/26 _x86_64_ (2 CPU) 02:55:55 LINUX RESTART (2 CPU) 03:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:08 11.82 1.28 9.36 1.18 111.04 1092.03 453.43 03:20:08 1.48 0.01 1.46 0.02 0.07 16.87 1.73 03:30:00 1.62 0.00 1.58 0.04 0.00 19.05 2.04 Average: 4.99 0.43 4.15 0.41 37.25 378.11 153.30 03:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:08 5207744 7385284 382660 4.71 85856 2252048 651540 7.10 588720 2023756 168 03:20:08 5208560 7386636 381036 4.69 86040 2252400 651752 7.10 588880 2024292 172 03:30:00 5205044 7383632 384032 4.72 86212 2252752 651752 7.10 588944 2024808 196 Average: 5207116 7385184 382576 4.70 86036 2252400 651681 7.10 588848 2024285 179 03:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:08 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 03:10:08 ens3 30.22 21.09 39.50 5.52 0.00 0.00 0.00 0.00 03:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:08 ens3 0.79 0.23 0.15 0.08 0.00 0.00 0.00 0.00 03:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:00 ens3 0.60 0.28 0.15 0.07 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.60 7.24 13.34 1.90 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3702) 08/09/26 _x86_64_ (2 CPU) 02:55:55 LINUX RESTART (2 CPU) 03:00:07 CPU %user %nice %system %iowait %steal %idle 03:10:08 all 5.32 0.00 0.90 0.52 0.07 93.19 03:10:08 0 4.25 0.00 0.77 0.10 0.05 94.83 03:10:08 1 6.39 0.00 1.03 0.95 0.09 91.53 03:20:08 all 0.40 0.00 0.13 0.01 0.07 99.40 03:20:08 0 0.30 0.00 0.15 0.00 0.09 99.46 03:20:08 1 0.50 0.00 0.11 0.01 0.05 99.33 03:30:00 all 0.39 0.00 0.23 0.01 0.08 99.30 03:30:00 0 0.29 0.00 0.28 0.00 0.11 99.32 03:30:00 1 0.48 0.00 0.17 0.02 0.04 99.28 Average: all 2.04 0.00 0.42 0.18 0.07 97.28 Average: 0 1.62 0.00 0.40 0.03 0.08 97.86 Average: 1 2.47 0.00 0.44 0.33 0.06 96.70