---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6209 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 8.2G 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 754 5044 4 2443 7187 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:f1:dc:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83672sec preferred_lft 83672sec inet6 fe80::f816:3eff:fef1:dc20/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6209) 09/09/26 _x86_64_ (2 CPU) 01:07:26 LINUX RESTART (2 CPU) 01:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:06 14.26 1.44 11.29 1.53 119.90 1973.06 1427.50 01:30:01 1.38 0.01 1.35 0.02 0.05 20.49 3.83 01:40:06 1.20 0.00 1.19 0.01 0.00 17.96 0.42 01:50:06 1.37 0.00 1.34 0.03 0.00 18.28 0.92 Average: 4.55 0.36 3.79 0.40 29.99 507.45 358.16 01:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:06 5233500 7410660 356696 4.39 87284 2251052 601196 6.55 576764 2023348 288 01:30:01 5219400 7397888 369228 4.54 87432 2252232 602212 6.56 578004 2024676 176 01:40:06 5219148 7398768 368336 4.53 87612 2253200 602348 6.56 578360 2025808 256 01:50:06 5219148 7399616 367488 4.52 87816 2253840 603416 6.57 578656 2026656 276 Average: 5222799 7401733 365437 4.49 87536 2252581 602293 6.56 577946 2025122 249 01:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:06 lo 1.20 1.20 0.07 0.07 0.00 0.00 0.00 0.00 01:20:06 ens3 9.63 6.17 36.13 1.66 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.65 0.19 0.12 0.07 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.69 0.38 0.14 0.11 0.00 0.00 0.00 0.00 01:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:06 ens3 0.48 0.18 0.09 0.07 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.86 1.73 9.12 0.48 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6209) 09/09/26 _x86_64_ (2 CPU) 01:07:26 LINUX RESTART (2 CPU) 01:10:06 CPU %user %nice %system %iowait %steal %idle 01:20:06 all 7.16 0.00 1.10 0.36 0.02 91.36 01:20:06 0 7.48 0.00 1.09 0.51 0.02 90.91 01:20:06 1 6.84 0.00 1.12 0.22 0.02 91.81 01:30:01 all 1.26 0.00 0.27 0.01 0.02 98.44 01:30:01 0 1.13 0.00 0.26 0.01 0.02 98.58 01:30:01 1 1.40 0.00 0.27 0.01 0.02 98.30 01:40:06 all 1.10 0.00 0.14 0.01 0.01 98.73 01:40:06 0 0.89 0.00 0.14 0.02 0.01 98.94 01:40:06 1 1.31 0.00 0.15 0.01 0.01 98.52 01:50:06 all 1.01 0.00 0.14 0.02 0.01 98.82 01:50:06 0 1.30 0.00 0.15 0.03 0.02 98.50 01:50:06 1 0.72 0.00 0.12 0.00 0.01 99.15 Average: all 2.63 0.00 0.41 0.10 0.01 96.84 Average: 0 2.70 0.00 0.41 0.14 0.02 96.73 Average: 1 2.57 0.00 0.41 0.06 0.01 96.94