---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8271 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 8.1G 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 752 5154 4 2328 7189 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:a5:05:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.59/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83754sec preferred_lft 83754sec inet6 fe80::f816:3eff:fea5:57f/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-8271) 09/15/26 _x86_64_ (2 CPU) 00:39:39 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 14.91 0.04 1.64 13.23 1.71 28.72 109257.62 01:00:04 18.40 1.66 15.23 1.51 120.92 2433.78 975.01 01:10:27 8.58 1.13 6.74 0.71 98.71 1036.99 578.39 01:20:01 1.33 0.00 1.33 0.00 0.01 80.67 0.00 Average: 10.90 0.72 6.31 3.87 56.44 907.32 27708.55 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6294060 7540868 279324 3.43 30492 1422940 531848 5.79 444116 1183624 300 01:00:04 5479940 7427168 350768 4.31 74872 2042660 627476 6.83 552612 1829264 40804 01:10:27 5221348 7416288 350644 4.31 87556 2268436 664064 7.23 579152 2040796 48 01:20:01 5196780 7411256 355656 4.37 87704 2287800 661100 7.20 584288 2060316 1244 Average: 5548032 7448895 334098 4.11 70156 2005459 621122 6.77 540042 1778500 10599 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.71 0.25 0.60 0.14 0.00 0.00 0.00 0.00 01:00:04 lo 1.20 1.20 0.07 0.07 0.00 0.00 0.00 0.00 01:00:04 ens3 45.60 30.82 277.46 6.87 0.00 0.00 0.00 0.00 01:10:27 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 01:10:27 ens3 58.89 45.55 49.94 8.22 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 28.53 27.92 8.32 4.74 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 34.24 26.31 84.84 5.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8271) 09/15/26 _x86_64_ (2 CPU) 00:39:39 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.40 0.00 0.20 0.04 0.01 99.35 00:50:01 0 0.50 0.00 0.18 0.03 0.01 99.28 00:50:01 1 0.31 0.00 0.21 0.05 0.01 99.42 01:00:04 all 8.19 0.00 1.38 0.59 0.01 89.83 01:00:04 0 9.06 0.00 1.39 0.77 0.01 88.77 01:00:04 1 7.32 0.00 1.37 0.40 0.01 90.90 01:10:27 all 5.95 0.00 1.14 0.18 0.02 92.71 01:10:27 0 6.24 0.00 1.27 0.20 0.02 92.27 01:10:27 1 5.65 0.00 1.01 0.15 0.01 93.17 01:20:01 all 4.03 0.00 0.51 0.01 0.01 95.44 01:20:01 0 2.50 0.00 0.49 0.02 0.01 96.99 01:20:01 1 5.57 0.00 0.54 0.01 0.01 93.88 Average: all 4.66 0.00 0.81 0.21 0.01 94.30 Average: 0 4.62 0.00 0.84 0.26 0.01 94.27 Average: 1 4.70 0.00 0.79 0.16 0.01 94.34