---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7808 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 762 5133 4 2347 7179 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:39:36:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83239sec preferred_lft 83239sec inet6 fe80::f816:3eff:fe39:3677/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7808) 09/13/26 _x86_64_ (2 CPU) 00:39:10 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.71 0.03 1.66 0.02 1.31 27.79 220.12 01:00:01 25.47 2.86 20.34 2.27 224.77 3517.39 1847.35 01:10:01 1.24 0.00 1.22 0.02 0.00 17.27 3.07 01:20:01 15.51 13.54 1.91 0.06 151.18 43.63 7.45 01:30:01 2.02 0.32 1.67 0.03 43.08 107.48 2.99 Average: 9.19 3.35 5.36 0.48 84.07 742.73 416.20 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6284436 7531484 289204 3.56 30532 1423176 524672 5.71 442444 1183720 124 01:00:01 5231908 7416300 351004 4.32 87408 2257952 639672 6.97 581668 2029864 1004 01:10:01 5231800 7416636 350812 4.31 87584 2258308 639860 6.97 581856 2030396 164 01:20:01 5146364 7387500 371148 4.56 90936 2303120 639980 6.97 582796 2077832 168 01:30:01 5079168 7359880 398032 4.89 91364 2342076 833208 9.08 600744 2107000 144 Average: 5394735 7422360 352040 4.33 77565 2116926 655478 7.14 557902 1885762 321 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.81 0.15 0.36 0.08 0.00 0.00 0.00 0.00 01:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:00:01 ens3 77.62 54.92 322.12 12.13 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 2.40 0.27 0.50 0.13 0.00 0.00 0.00 0.00 01:20:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.88 0.25 0.16 0.07 0.00 0.00 0.00 0.00 01:30:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 1.03 0.51 3.93 0.07 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.75 11.22 65.41 2.50 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7808) 09/13/26 _x86_64_ (2 CPU) 00:39:10 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.33 0.00 0.16 0.02 0.01 99.49 00:50:01 0 0.46 0.00 0.13 0.03 0.01 99.39 00:50:01 1 0.20 0.00 0.20 0.01 0.01 99.59 01:00:01 all 11.74 0.00 2.10 0.59 0.02 85.56 01:00:01 0 8.21 0.00 1.76 0.52 0.01 89.49 01:00:01 1 15.27 0.00 2.44 0.66 0.02 81.61 01:10:01 all 0.37 0.00 0.15 0.01 0.01 99.47 01:10:01 0 0.27 0.00 0.21 0.00 0.01 99.51 01:10:01 1 0.46 0.00 0.09 0.02 0.00 99.43 01:20:01 all 0.41 0.16 0.22 0.16 0.01 99.04 01:20:01 0 0.27 0.26 0.31 0.26 0.01 98.89 01:20:01 1 0.54 0.05 0.14 0.07 0.01 99.19 01:30:01 all 0.51 0.00 0.28 0.02 0.01 99.17 01:30:01 0 0.65 0.00 0.29 0.03 0.01 99.03 01:30:01 1 0.38 0.00 0.27 0.02 0.01 99.32 Average: all 2.67 0.03 0.58 0.16 0.01 96.54 Average: 0 1.98 0.05 0.54 0.17 0.01 97.25 Average: 1 3.37 0.01 0.63 0.15 0.01 95.83