---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7427 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 812 5107 4 2316 7129 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:da:c3:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83613sec preferred_lft 83613sec inet6 fe80::f816:3eff:feda:c3ab/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-7427) 09/12/26 _x86_64_ (2 CPU) 02:33:13 LINUX RESTART (2 CPU) 02:40:50 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:02 1.47 0.01 1.45 0.01 0.06 25.90 0.51 03:00:42 1.57 0.00 1.55 0.02 0.19 29.94 3.65 03:10:50 1.34 0.00 1.34 0.00 0.00 22.45 0.00 Average: 1.46 0.00 1.45 0.01 0.08 26.17 1.45 02:40:50 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:02 5191140 7381256 385456 4.74 87440 2263776 693248 7.55 609120 2035992 124 03:00:42 5181248 7375448 391128 4.81 87584 2267716 671636 7.32 611552 2040080 176 03:10:50 5178496 7375132 391436 4.81 87740 2269988 671636 7.32 611456 2042516 124 Average: 5183628 7377279 389340 4.79 87588 2267160 678840 7.39 610709 2039529 141 02:40:50 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 8.03 7.27 1.93 0.59 0.00 0.00 0.00 0.00 03:00:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:42 ens3 15.93 15.63 3.38 1.23 0.00 0.00 0.00 0.00 03:10:50 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:50 ens3 12.44 12.27 2.41 0.86 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.33 11.93 2.61 0.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7427) 09/12/26 _x86_64_ (2 CPU) 02:33:13 LINUX RESTART (2 CPU) 02:40:50 CPU %user %nice %system %iowait %steal %idle 02:50:02 all 1.53 0.00 0.37 0.01 0.02 98.07 02:50:02 0 2.14 0.00 0.33 0.01 0.02 97.50 02:50:02 1 0.92 0.00 0.41 0.01 0.01 98.64 03:00:42 all 2.20 0.00 0.55 0.01 0.02 97.21 03:00:42 0 2.87 0.00 0.66 0.01 0.03 96.44 03:00:42 1 1.53 0.00 0.45 0.01 0.02 97.98 03:10:50 all 1.31 0.00 0.34 0.01 0.02 98.33 03:10:50 0 1.60 0.00 0.35 0.01 0.03 98.01 03:10:50 1 1.01 0.00 0.33 0.00 0.02 98.64 Average: all 1.69 0.00 0.42 0.01 0.02 97.85 Average: 0 2.22 0.00 0.45 0.01 0.02 97.30 Average: 1 1.17 0.00 0.40 0.01 0.02 98.41