---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9421 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 753 5191 4 2290 7188 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:99:21:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83311sec preferred_lft 83311sec inet6 fe80::f816:3eff:fe99:2161/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9421) 09/19/26 _x86_64_ (2 CPU) 00:41:28 LINUX RESTART (2 CPU) 00:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 23.85 2.91 18.70 2.24 228.44 2945.13 1012.48 01:10:01 4.82 0.33 4.26 0.22 44.06 771.71 64.42 01:20:08 1.18 0.00 1.17 0.00 0.01 14.72 0.18 01:30:13 1.55 0.00 1.54 0.01 0.00 18.89 1.07 Average: 7.73 0.80 6.33 0.61 66.94 922.35 264.26 00:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 5215560 7402680 364356 4.48 87280 2260768 592672 6.46 569104 2032632 188432 01:10:01 5139964 7367560 398924 4.91 88292 2300176 825872 9.00 598220 2062848 124 01:20:08 5139208 7367304 399168 4.91 88436 2300532 825988 9.00 598588 2063348 188 01:30:13 5142064 7370724 395696 4.87 88556 2300948 826148 9.00 598500 2063820 136 Average: 5159199 7377067 389536 4.79 88141 2290606 767670 8.36 591103 2055662 47220 00:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:00:01 ens3 57.78 38.62 327.33 8.18 0.00 0.00 0.00 0.00 01:10:01 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 23.52 13.89 8.38 3.83 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 1.03 0.29 0.22 0.11 0.00 0.00 0.00 0.00 01:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 1.35 0.16 12.23 0.05 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 20.63 13.04 85.36 3.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9421) 09/19/26 _x86_64_ (2 CPU) 00:41:28 LINUX RESTART (2 CPU) 00:50:13 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 11.54 0.00 2.02 0.74 0.01 85.69 01:00:01 0 15.47 0.00 2.23 0.86 0.02 81.41 01:00:01 1 7.60 0.00 1.80 0.61 0.01 89.97 01:10:01 all 1.40 0.00 0.41 0.05 0.02 98.12 01:10:01 0 1.99 0.00 0.51 0.10 0.02 97.38 01:10:01 1 0.81 0.00 0.31 0.01 0.02 98.86 01:20:08 all 0.40 0.00 0.19 0.01 0.01 99.39 01:20:08 0 0.35 0.00 0.21 0.01 0.02 99.40 01:20:08 1 0.44 0.00 0.17 0.00 0.01 99.38 01:30:13 all 0.40 0.00 0.26 0.01 0.01 99.32 01:30:13 0 0.31 0.00 0.34 0.01 0.02 99.31 01:30:13 1 0.49 0.00 0.19 0.00 0.00 99.32 Average: all 3.38 0.00 0.71 0.20 0.02 95.69 Average: 0 4.46 0.00 0.81 0.24 0.02 94.46 Average: 1 2.30 0.00 0.61 0.15 0.01 96.93