---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-61273 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 755 5225 4 2253 7185 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:ff:b7:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84168sec preferred_lft 84168sec inet6 fe80::f816:3eff:feff:b74b/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-61273) 10/02/26 _x86_64_ (2 CPU) 01:16:59 LINUX RESTART (2 CPU) 01:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:30:02 10.18 1.24 8.02 0.92 108.12 1119.91 308.66 01:40:07 1.43 0.01 1.41 0.01 0.05 17.10 1.69 01:50:07 1.38 0.00 1.36 0.01 0.00 16.29 1.49 Average: 4.31 0.41 3.58 0.31 35.85 382.31 103.36 01:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:02 5209024 7401852 365052 4.49 87296 2266328 635344 6.92 574064 2038596 216 01:40:07 5210648 7403976 362692 4.46 87436 2266684 635492 6.92 574212 2039096 156 01:50:07 5209924 7403772 362872 4.46 87612 2267032 635492 6.92 574352 2039620 156 Average: 5209865 7403200 363539 4.47 87448 2266681 635443 6.92 574209 2039104 176 01:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:02 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 01:30:02 ens3 29.11 19.33 45.35 5.01 0.00 0.00 0.00 0.00 01:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 1.01 0.36 0.23 0.13 0.00 0.00 0.00 0.00 01:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:07 ens3 0.72 0.24 0.12 0.05 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.22 6.61 15.15 1.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61273) 10/02/26 _x86_64_ (2 CPU) 01:16:59 LINUX RESTART (2 CPU) 01:20:04 CPU %user %nice %system %iowait %steal %idle 01:30:02 all 4.57 0.00 1.03 0.15 0.01 94.24 01:30:02 0 3.99 0.00 1.00 0.15 0.00 94.86 01:30:02 1 5.16 0.00 1.06 0.15 0.01 93.62 01:40:07 all 0.37 0.00 0.15 0.01 0.00 99.48 01:40:07 0 0.44 0.00 0.08 0.01 0.00 99.47 01:40:07 1 0.29 0.00 0.21 0.00 0.00 99.49 01:50:07 all 0.38 0.00 0.12 0.01 0.00 99.49 01:50:07 0 0.48 0.00 0.06 0.01 0.00 99.44 01:50:07 1 0.27 0.00 0.19 0.00 0.01 99.53 Average: all 1.77 0.00 0.43 0.06 0.00 97.74 Average: 0 1.63 0.00 0.38 0.06 0.00 97.93 Average: 1 1.90 0.00 0.49 0.05 0.01 97.55