---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-160 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: 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 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 764 5156 4 2314 7177 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:a8:74:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83595sec preferred_lft 83595sec inet6 fe80::f816:3eff:fea8:7422/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-160) 09/05/26 _x86_64_ (2 CPU) 02:30:11 LINUX RESTART (2 CPU) 02:40:39 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:39 1.28 0.01 1.27 0.01 0.05 24.28 0.27 03:00:39 1.49 0.01 1.48 0.01 0.20 28.56 3.41 03:10:09 2.02 0.34 1.68 0.01 45.35 115.93 0.18 Average: 1.59 0.11 1.47 0.01 14.69 55.25 1.31 02:40:39 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:39 5223140 7408516 358344 4.41 88264 2258524 670448 7.30 585412 2031068 236 03:00:39 5212096 7401064 365760 4.50 88420 2261944 648832 7.07 587556 2034652 236 03:10:09 5127664 7359696 406464 5.00 88868 2304312 849428 9.25 605576 2067392 2312 Average: 5187633 7389759 376856 4.63 88517 2274927 722903 7.87 592848 2044371 928 02:40:39 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:39 ens3 12.52 12.10 2.54 0.91 0.00 0.00 0.00 0.00 03:00:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:39 ens3 12.95 12.69 2.91 1.05 0.00 0.00 0.00 0.00 03:10:09 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 03:10:09 ens3 26.80 26.81 8.57 1.86 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 17.27 17.03 4.61 1.27 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-160) 09/05/26 _x86_64_ (2 CPU) 02:30:11 LINUX RESTART (2 CPU) 02:40:39 CPU %user %nice %system %iowait %steal %idle 02:50:39 all 1.53 0.00 0.34 0.01 0.01 98.11 02:50:39 0 1.70 0.00 0.33 0.01 0.01 97.95 02:50:39 1 1.36 0.00 0.35 0.00 0.01 98.27 03:00:39 all 1.91 0.00 0.47 0.01 0.01 97.59 03:00:39 0 1.55 0.00 0.38 0.01 0.02 98.04 03:00:39 1 2.28 0.00 0.56 0.01 0.01 97.14 03:10:09 all 1.91 0.00 0.54 0.02 0.02 97.51 03:10:09 0 1.96 0.00 0.49 0.02 0.02 97.51 03:10:09 1 1.86 0.00 0.58 0.03 0.02 97.51 Average: all 1.78 0.00 0.45 0.01 0.02 97.74 Average: 0 1.73 0.00 0.40 0.01 0.02 97.84 Average: 1 1.83 0.00 0.49 0.01 0.02 97.64