---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9110 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: 5600.00 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 802 4994 4 2439 7139 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:f1:0b:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84464sec preferred_lft 84464sec inet6 fe80::f816:3eff:fef1:bb8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9110) 09/18/26 _x86_64_ (2 CPU) 00:19:15 LINUX RESTART (2 CPU) 00:20:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 38.89 1.75 20.34 16.79 138.13 3380.80 109028.79 00:40:01 1.31 0.01 1.28 0.02 0.05 98.79 1.40 00:50:12 5.30 0.41 3.83 1.06 49.09 611.56 2440.21 Average: 14.97 0.71 8.39 5.87 61.90 1347.39 36530.01 00:20:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 5191760 7400364 366084 4.50 88416 2281344 685532 7.47 588680 2053888 1124 00:40:01 5160324 7393644 372512 4.58 88632 2305700 708540 7.72 595312 2078464 336 00:50:12 5160724 7349340 424904 5.22 91048 2266304 838972 9.14 641972 2029660 16512 Average: 5170936 7381116 387833 4.77 89365 2284449 744348 8.11 608655 2054004 5991 00:20:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.26 1.26 0.08 0.08 0.00 0.00 0.00 0.00 00:30:01 ens3 107.32 77.11 258.28 15.32 0.00 0.00 0.00 0.00 00:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 57.00 51.80 20.98 5.43 0.00 0.00 0.00 0.00 00:50:12 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 00:50:12 ens3 66.49 51.02 53.14 20.25 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 76.69 59.82 109.59 13.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9110) 09/18/26 _x86_64_ (2 CPU) 00:19:15 LINUX RESTART (2 CPU) 00:20:11 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 13.61 0.00 2.54 0.54 0.01 83.30 00:30:01 0 17.86 0.00 2.73 0.57 0.01 78.83 00:30:01 1 9.39 0.00 2.35 0.51 0.01 87.74 00:40:01 all 5.57 0.00 1.06 0.01 0.01 93.35 00:40:01 0 6.45 0.00 1.12 0.02 0.01 92.40 00:40:01 1 4.70 0.00 0.99 0.01 0.01 94.29 00:50:12 all 8.36 0.00 1.34 0.11 0.01 90.18 00:50:12 0 7.55 0.00 1.18 0.07 0.01 91.19 00:50:12 1 9.18 0.00 1.51 0.14 0.01 89.15 Average: all 9.17 0.00 1.64 0.22 0.01 88.96 Average: 0 10.58 0.00 1.67 0.22 0.01 87.52 Average: 1 7.76 0.00 1.61 0.22 0.01 90.40