---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-57457 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 8.2G 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 761 5022 4 2459 7180 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:25:7e:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83672sec preferred_lft 83672sec inet6 fe80::f816:3eff:fe25:7ef3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57457) 09/22/26 _x86_64_ (2 CPU) 14:21:24 LINUX RESTART (2 CPU) 14:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:13 1.21 0.01 1.19 0.01 0.05 18.45 0.47 14:50:01 1.17 0.00 1.17 0.00 0.00 18.06 0.07 15:00:06 1.62 0.00 1.56 0.05 0.00 21.56 1.66 Average: 1.33 0.00 1.31 0.02 0.02 19.37 0.74 14:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:13 5205632 7396796 369316 4.54 87856 2264404 608952 6.63 575352 2037656 308 14:50:01 5203364 7395836 370288 4.55 88004 2265556 609152 6.63 576052 2038964 240 15:00:06 5213536 7407004 359024 4.41 88184 2266372 610176 6.65 576392 2039960 168 Average: 5207511 7399879 366209 4.50 88015 2265444 609427 6.64 575932 2038860 239 14:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 14:40:13 ens3 0.88 0.31 0.23 0.15 0.00 0.00 0.00 0.00 14:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 14:50:01 ens3 0.56 0.26 0.12 0.09 0.00 0.00 0.00 0.00 15:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 15:00:06 ens3 0.64 0.33 0.12 0.09 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 0.69 0.30 0.16 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57457) 09/22/26 _x86_64_ (2 CPU) 14:21:24 LINUX RESTART (2 CPU) 14:30:06 CPU %user %nice %system %iowait %steal %idle 14:40:13 all 0.78 0.00 0.14 0.01 0.00 99.06 14:40:13 0 0.82 0.00 0.17 0.01 0.00 98.99 14:40:13 1 0.74 0.00 0.11 0.01 0.00 99.13 14:50:01 all 0.79 0.00 0.13 0.01 0.00 99.07 14:50:01 0 0.75 0.00 0.11 0.01 0.00 99.13 14:50:01 1 0.83 0.00 0.14 0.01 0.01 99.01 15:00:06 all 0.63 0.00 0.20 0.01 0.00 99.15 15:00:06 0 0.48 0.00 0.16 0.01 0.00 99.34 15:00:06 1 0.78 0.00 0.24 0.00 0.00 98.96 Average: all 0.73 0.00 0.16 0.01 0.00 99.10 Average: 0 0.68 0.00 0.15 0.01 0.00 99.16 Average: 1 0.79 0.00 0.17 0.01 0.00 99.04