---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9193 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 784 4943 4 2516 7157 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:c4:76:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84281sec preferred_lft 84281sec inet6 fe80::f816:3eff:fec4:76ed/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-9193) 09/18/26 _x86_64_ (2 CPU) 02:36:22 LINUX RESTART (2 CPU) 02:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:01 11.58 1.25 9.06 1.27 109.61 1210.65 709.28 03:00:03 2.08 0.33 1.72 0.03 42.94 126.70 1.25 03:10:03 2.67 0.04 2.33 0.30 1.35 163.49 30.44 Average: 5.43 0.54 4.36 0.53 51.20 498.63 245.91 02:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:01 5210812 7402268 364964 4.49 87424 2265052 602480 6.56 575604 2036884 364 03:00:03 5157632 7393796 372520 4.58 87908 2309128 805392 8.77 594468 2071380 196 03:10:03 5000836 7310480 454552 5.59 89124 2380336 871956 9.50 686160 2143636 48272 Average: 5123093 7368848 397345 4.89 88152 2318172 759943 8.28 618744 2083967 16277 02:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:01 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 02:50:01 ens3 9.96 7.23 40.12 1.90 0.00 0.00 0.00 0.00 03:00:03 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:00:03 ens3 1.58 1.00 3.53 0.24 0.00 0.00 0.00 0.00 03:10:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:10:03 ens3 5.10 3.64 8.60 8.51 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 5.54 3.95 17.36 3.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9193) 09/18/26 _x86_64_ (2 CPU) 02:36:22 LINUX RESTART (2 CPU) 02:40:03 CPU %user %nice %system %iowait %steal %idle 02:50:01 all 7.00 0.00 1.01 0.24 0.03 91.72 02:50:01 0 7.66 0.00 1.01 0.25 0.03 91.06 02:50:01 1 6.34 0.00 1.01 0.24 0.03 92.38 03:00:03 all 1.61 0.00 0.37 0.02 0.02 97.99 03:00:03 0 2.31 0.00 0.41 0.01 0.02 97.25 03:00:03 1 0.91 0.00 0.33 0.04 0.01 98.72 03:10:03 all 2.53 0.00 0.31 0.16 0.02 96.98 03:10:03 0 4.26 0.00 0.36 0.07 0.02 95.29 03:10:03 1 0.81 0.00 0.25 0.25 0.01 98.68 Average: all 3.71 0.00 0.56 0.14 0.02 95.57 Average: 0 4.74 0.00 0.59 0.11 0.02 94.54 Average: 1 2.68 0.00 0.53 0.18 0.02 96.60