---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60766 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 778 4905 4 2561 7162 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:7e:5a:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 48574sec preferred_lft 48574sec inet6 fe80::f816:3eff:fe7e:5a1f/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-60766) 10/01/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.76 0.01 1.73 0.01 0.81 20.68 5.23 00:20:00 1.81 0.11 1.68 0.03 3.06 23.53 278.50 00:30:01 1.87 0.00 1.84 0.03 0.00 20.62 49.98 00:40:00 20.34 1.67 17.11 1.56 120.91 2480.45 473.76 00:50:00 10.86 1.22 8.24 1.39 103.87 1430.70 2182.59 Average: 7.33 0.60 6.12 0.61 45.72 794.85 598.27 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6100180 7511104 296844 3.65 54388 1553292 754772 8.22 485820 1322904 240 00:20:00 6115804 7487140 320784 3.94 54524 1513544 752940 8.20 484620 1283072 180 00:30:01 6116104 7487940 319984 3.93 54684 1513872 752940 8.20 484408 1283564 240 00:40:00 5266692 7358128 406956 5.00 95264 2156152 811984 8.84 571408 1948264 56100 00:50:00 5044420 7345312 415136 5.10 106588 2352672 869088 9.47 653156 2128876 118896 Average: 5728640 7437925 351941 4.33 73090 1817906 788345 8.59 535882 1593336 35131 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.51 0.10 0.13 0.07 0.00 0.00 0.00 0.00 00:20:00 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:00 ens3 0.36 0.07 0.07 0.03 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.60 0.10 0.15 0.08 0.00 0.00 0.00 0.00 00:40:00 lo 1.21 1.21 0.07 0.07 0.00 0.00 0.00 0.00 00:40:00 ens3 50.76 34.33 284.59 8.34 0.00 0.00 0.00 0.00 00:50:00 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 00:50:00 ens3 57.63 50.48 162.33 21.64 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 21.97 17.02 89.41 6.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60766) 10/01/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.26 0.00 0.10 0.01 0.00 99.61 00:10:01 0 0.07 0.00 0.13 0.02 0.01 99.78 00:10:01 1 0.46 0.00 0.08 0.01 0.00 99.44 00:20:00 all 0.62 0.00 0.23 0.02 0.00 99.13 00:20:00 0 0.48 0.00 0.24 0.02 0.00 99.26 00:20:00 1 0.77 0.00 0.22 0.01 0.00 99.00 00:30:01 all 0.29 0.00 0.17 0.01 0.00 99.53 00:30:01 0 0.17 0.00 0.20 0.01 0.00 99.63 00:30:01 1 0.40 0.00 0.15 0.01 0.00 99.43 00:40:00 all 8.37 0.00 1.37 0.45 0.01 89.80 00:40:00 0 9.33 0.00 1.40 0.47 0.01 88.79 00:40:00 1 7.41 0.00 1.34 0.43 0.01 90.81 00:50:00 all 10.07 0.00 1.21 0.22 0.01 88.49 00:50:00 0 10.20 0.00 1.18 0.26 0.01 88.35 00:50:00 1 9.95 0.00 1.23 0.19 0.01 88.63 Average: all 3.92 0.00 0.62 0.14 0.00 95.32 Average: 0 4.05 0.00 0.63 0.15 0.00 95.16 Average: 1 3.79 0.00 0.60 0.13 0.00 95.47