---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-58560 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 8.1G 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 790 5020 4 2426 7151 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:1a:17:3e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84084sec preferred_lft 84084sec inet6 fe80::f816:3eff:fe1a:173e/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-58560) 09/25/26 _x86_64_ (2 CPU) 02:43:47 LINUX RESTART (2 CPU) 02:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:21 1.49 0.01 1.45 0.03 0.25 60.12 3.04 03:10:05 1.39 0.00 1.34 0.05 0.00 97.89 2034.98 03:20:05 1.32 0.01 1.27 0.04 0.49 79.49 796.51 Average: 1.40 0.01 1.35 0.04 0.25 78.94 932.24 02:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:21 5134556 7387444 377508 4.64 87916 2325532 891632 9.71 611084 2087712 444 03:10:05 5102324 7379872 384924 4.73 88120 2349892 915240 9.97 618900 2112272 1020 03:20:05 5144416 7446192 318312 3.91 88304 2373568 768528 8.37 558088 2136036 5312 Average: 5127099 7404503 360248 4.43 88113 2349664 858467 9.35 596024 2112007 2259 02:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:21 ens3 6.15 5.99 3.88 1.06 0.00 0.00 0.00 0.00 03:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:05 ens3 52.04 50.04 19.93 5.13 0.00 0.00 0.00 0.00 03:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:05 ens3 56.88 43.90 24.43 4.23 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 38.13 33.08 16.01 3.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-58560) 09/25/26 _x86_64_ (2 CPU) 02:43:47 LINUX RESTART (2 CPU) 02:50:15 CPU %user %nice %system %iowait %steal %idle 03:00:21 all 2.90 0.00 0.39 0.01 0.01 96.69 03:00:21 0 2.05 0.00 0.35 0.01 0.01 97.58 03:00:21 1 3.76 0.00 0.42 0.01 0.02 95.80 03:10:05 all 5.27 0.00 1.00 0.02 0.02 93.69 03:10:05 0 3.67 0.00 0.89 0.03 0.02 95.40 03:10:05 1 6.90 0.00 1.11 0.01 0.02 91.97 03:20:05 all 5.48 0.00 0.87 0.01 0.01 93.63 03:20:05 0 3.49 0.00 0.84 0.02 0.01 95.65 03:20:05 1 7.51 0.00 0.90 0.00 0.02 91.56 Average: all 4.54 0.00 0.75 0.01 0.02 94.69 Average: 0 3.06 0.00 0.69 0.02 0.01 96.22 Average: 1 6.03 0.00 0.80 0.01 0.02 93.14