---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7869 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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 8.0G 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 748 5241 4 2245 7193 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:c8:a6:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.174/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84171sec preferred_lft 84171sec inet6 fe80::f816:3eff:fec8:a68b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7869) 09/13/26 _x86_64_ (2 CPU) 02:37:43 LINUX RESTART (2 CPU) 02:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:10 11.87 1.25 9.28 1.34 109.88 1305.70 660.39 03:00:10 1.52 0.01 1.47 0.03 0.05 18.56 0.75 03:10:10 1.30 0.00 1.29 0.01 0.00 15.33 0.32 Average: 4.90 0.42 4.01 0.46 36.64 446.53 220.49 02:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:10 5222468 7406196 360904 4.44 87256 2257536 635976 6.93 577000 2029412 156 03:00:10 5212656 7396948 369792 4.55 87468 2257896 635984 6.93 577120 2029984 180 03:10:10 5212168 7396964 369756 4.55 87632 2258244 636128 6.93 577280 2030488 208 Average: 5215764 7400036 366817 4.51 87452 2257892 636029 6.93 577133 2029961 181 02:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:10 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:50:10 ens3 28.25 19.35 43.12 5.15 0.00 0.00 0.00 0.00 03:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:10 ens3 0.83 0.27 0.27 0.07 0.00 0.00 0.00 0.00 03:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:10 ens3 0.58 0.26 0.08 0.04 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 9.89 6.63 14.49 1.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7869) 09/13/26 _x86_64_ (2 CPU) 02:37:43 LINUX RESTART (2 CPU) 02:40:10 CPU %user %nice %system %iowait %steal %idle 02:50:10 all 6.04 0.00 1.07 0.30 0.03 92.56 02:50:10 0 5.78 0.00 1.12 0.50 0.04 92.55 02:50:10 1 6.30 0.00 1.02 0.11 0.02 92.56 03:00:10 all 0.43 0.00 0.27 0.01 0.02 99.28 03:00:10 0 0.33 0.00 0.35 0.01 0.03 99.28 03:00:10 1 0.52 0.00 0.19 0.01 0.01 99.28 03:10:10 all 0.40 0.00 0.18 0.01 0.02 99.39 03:10:10 0 0.29 0.00 0.24 0.02 0.03 99.42 03:10:10 1 0.51 0.00 0.12 0.00 0.01 99.36 Average: all 2.29 0.00 0.51 0.11 0.02 97.07 Average: 0 2.14 0.00 0.57 0.18 0.03 97.08 Average: 1 2.44 0.00 0.44 0.04 0.01 97.07