---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-47337 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 774 5024 4 2445 7166 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:0a:86:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.195/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 4682sec preferred_lft 4682sec inet6 fe80::f816:3eff:fe0a:86ea/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-47337) 09/05/26 _x86_64_ (2 CPU) 00:00:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:00 1.81 0.02 1.78 0.01 0.84 21.16 437.95 00:20:01 1.87 0.11 1.72 0.03 3.04 24.39 562.67 00:30:24 1.74 0.00 1.71 0.03 0.00 19.35 408.07 00:40:09 11.81 1.39 9.85 0.57 100.99 1555.46 286.31 00:50:00 16.58 1.50 13.23 1.85 125.72 2247.78 1142.12 01:00:24 1.84 0.00 1.82 0.02 0.00 64.70 0.81 Average: 5.85 0.49 4.95 0.41 37.62 642.59 468.62 00:00:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:00 6113640 7522732 285468 3.51 53812 1552060 734056 8.00 465088 1321820 168 00:20:01 6130668 7500468 307592 3.78 53948 1512604 731812 7.97 463908 1282124 288 00:30:24 6145300 7515628 292388 3.60 54108 1512936 732032 7.97 464584 1282648 224 00:40:09 5413740 7329992 442060 5.44 88312 1993684 761756 8.30 534148 1784124 163392 00:50:00 5072432 7373856 381648 4.69 105712 2347632 849548 9.25 617588 2124020 124 01:00:24 5057884 7373252 382180 4.70 105816 2361476 852464 9.29 620048 2137976 432 Average: 5655611 7435988 348556 4.29 76951 1880065 776945 8.46 527561 1655452 27438 00:00:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:00 ens3 0.41 0.11 0.14 0.08 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.39 0.10 0.10 0.05 0.00 0.00 0.00 0.00 00:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:24 ens3 0.62 0.13 0.17 0.09 0.00 0.00 0.00 0.00 00:40:09 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 00:40:09 ens3 30.67 22.04 176.43 5.85 0.00 0.00 0.00 0.00 00:50:00 lo 1.21 1.21 0.07 0.07 0.00 0.00 0.00 0.00 00:50:00 ens3 57.97 48.78 155.10 8.63 0.00 0.00 0.00 0.00 01:00:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:24 ens3 38.68 38.00 8.46 5.42 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 21.41 18.21 55.56 3.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-47337) 09/05/26 _x86_64_ (2 CPU) 00:00:20 CPU %user %nice %system %iowait %steal %idle 00:10:00 all 0.26 0.00 0.13 0.02 0.00 99.59 00:10:00 0 0.06 0.00 0.15 0.02 0.00 99.77 00:10:00 1 0.46 0.00 0.12 0.01 0.00 99.41 00:20:01 all 0.61 0.00 0.23 0.01 0.00 99.15 00:20:01 0 0.74 0.00 0.22 0.00 0.00 99.04 00:20:01 1 0.48 0.00 0.24 0.02 0.00 99.26 00:30:24 all 0.28 0.00 0.14 0.01 0.00 99.57 00:30:24 0 0.49 0.00 0.12 0.00 0.00 99.39 00:30:24 1 0.07 0.00 0.17 0.02 0.00 99.75 00:40:09 all 4.69 0.00 0.85 0.30 0.01 94.15 00:40:09 0 3.21 0.00 0.74 0.09 0.01 95.96 00:40:09 1 6.17 0.00 0.97 0.52 0.01 92.33 00:50:00 all 10.14 0.00 1.58 0.54 0.01 87.72 00:50:00 0 7.16 0.00 1.44 0.65 0.01 90.75 00:50:00 1 13.19 0.00 1.73 0.43 0.02 84.63 01:00:24 all 4.37 0.00 0.62 0.02 0.02 94.97 01:00:24 0 2.23 0.00 0.57 0.03 0.02 97.16 01:00:24 1 6.55 0.00 0.67 0.00 0.02 92.75 Average: all 3.35 0.00 0.59 0.15 0.01 95.91 Average: 0 2.29 0.00 0.53 0.13 0.01 97.04 Average: 1 4.42 0.00 0.64 0.16 0.01 94.77