---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8478 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 758 5086 4 2391 7183 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:60:ab:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.46/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84497sec preferred_lft 84497sec inet6 fe80::f816:3eff:fe60:abc5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8478) 09/16/26 _x86_64_ (2 CPU) 00:39:29 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:13 1.84 0.04 1.77 0.03 1.54 805.07 424.79 01:00:03 22.02 3.19 17.09 1.73 269.69 2765.03 459.35 01:10:13 10.76 0.13 8.93 1.70 9.47 1362.69 2468.05 Average: 11.41 1.10 9.17 1.15 91.53 1631.00 1123.93 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:13 6287156 7534452 285800 3.51 30552 1423368 523692 5.70 439668 1183936 132 01:00:03 5190032 7315424 455360 5.60 80972 2208968 841532 9.17 634884 1964696 112328 01:10:13 5258872 7391192 381392 4.69 88968 2212044 810112 8.82 620280 1973716 11340 Average: 5578687 7413689 374184 4.60 66831 1948127 725112 7.90 564944 1707449 41267 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:13 ens3 2.33 0.25 0.57 0.13 0.00 0.00 0.00 0.00 01:00:03 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:00:03 ens3 51.34 36.23 327.73 7.68 0.00 0.00 0.00 0.00 01:10:13 lo 1.65 1.65 0.12 0.12 0.00 0.00 0.00 0.00 01:10:13 ens3 52.35 41.26 52.25 18.37 0.00 0.00 0.00 0.00 Average: lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 35.13 25.77 124.50 8.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8478) 09/16/26 _x86_64_ (2 CPU) 00:39:29 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:13 all 0.35 0.00 0.19 0.04 0.01 99.41 00:50:13 0 0.56 0.00 0.18 0.02 0.01 99.23 00:50:13 1 0.14 0.00 0.19 0.07 0.01 99.59 01:00:03 all 9.85 0.00 1.78 0.58 0.02 87.78 01:00:03 0 8.32 0.00 1.70 0.43 0.02 89.54 01:00:03 1 11.37 0.00 1.85 0.73 0.02 86.03 01:10:13 all 10.61 0.00 1.14 0.17 0.02 88.06 01:10:13 0 5.49 0.00 1.06 0.20 0.02 93.23 01:10:13 1 15.73 0.00 1.23 0.14 0.02 82.88 Average: all 6.89 0.00 1.03 0.26 0.02 91.80 Average: 0 4.75 0.00 0.97 0.21 0.01 94.05 Average: 1 9.04 0.00 1.08 0.31 0.02 89.55