---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-57561 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 8.0G 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 773 5203 4 2259 7168 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:29:09:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.59/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83925sec preferred_lft 83925sec inet6 fe80::f816:3eff:fe29:9ae/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-57561) 09/23/26 _x86_64_ (2 CPU) 00:37:59 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 14.59 0.03 1.38 13.18 1.38 16.65 108807.82 01:00:10 23.29 2.79 18.51 1.99 219.12 2790.55 1231.77 01:10:00 4.59 0.02 4.30 0.27 2.06 702.82 57.95 Average: 14.25 0.96 8.13 5.17 75.23 1179.48 36788.78 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6281272 7528804 291148 3.58 30540 1423628 534472 5.82 452552 1184024 144 01:00:10 5174316 7362452 404468 4.97 86944 2262492 658668 7.17 629364 2034104 171284 01:10:00 5159428 7353004 413576 5.09 87740 2266764 682072 7.43 619536 2038988 160 Average: 5538339 7414753 369731 4.55 68408 1984295 625071 6.81 567151 1752372 57196 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 3.61 0.10 0.41 0.05 0.00 0.00 0.00 0.00 01:00:10 lo 1.26 1.26 0.07 0.07 0.00 0.00 0.00 0.00 01:00:10 ens3 54.76 39.41 316.02 7.84 0.00 0.00 0.00 0.00 01:10:00 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 33.01 22.52 30.76 5.37 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 30.54 20.74 117.08 4.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57561) 09/23/26 _x86_64_ (2 CPU) 00:37:59 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.32 0.00 0.11 0.06 0.00 99.51 00:50:01 0 0.08 0.00 0.13 0.10 0.00 99.69 00:50:01 1 0.56 0.00 0.08 0.01 0.00 99.34 01:00:10 all 10.27 0.00 1.74 0.65 0.01 87.33 01:00:10 0 14.55 0.00 1.93 0.86 0.02 82.64 01:00:10 1 5.99 0.00 1.56 0.44 0.01 92.00 01:10:00 all 1.92 0.00 0.45 0.03 0.01 97.59 01:10:00 0 2.69 0.00 0.51 0.02 0.01 96.77 01:10:00 1 1.16 0.00 0.39 0.04 0.01 98.40 Average: all 4.21 0.00 0.77 0.25 0.01 94.76 Average: 0 5.83 0.00 0.86 0.33 0.01 92.97 Average: 1 2.60 0.00 0.68 0.17 0.01 96.55