---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-695 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 8.3G 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 799 4877 4 2561 7142 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:80:54:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84103sec preferred_lft 84103sec inet6 fe80::f816:3eff:fe80:5418/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-695) 09/06/26 _x86_64_ (2 CPU) 00:04:42 LINUX RESTART (2 CPU) 00:10:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:05 1.25 0.01 1.22 0.02 0.07 16.14 0.22 00:30:25 26.12 3.23 20.64 2.26 264.16 3507.21 1534.92 00:40:25 1.43 0.00 1.41 0.02 0.00 339.69 2.03 Average: 9.87 1.11 7.97 0.79 90.97 1325.93 529.20 00:10:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:05 6294888 7542548 278176 3.42 30640 1423700 528904 5.76 443688 1184068 180 00:30:25 5148452 7374692 391328 4.81 89000 2297912 864588 9.42 630180 2060812 1832 00:40:25 4953752 7306616 457804 5.63 89172 2422928 921312 10.03 680100 2186040 29624 Average: 5465697 7407952 375769 4.62 69604 2048180 771601 8.40 584656 1810307 10545 00:10:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:20:05 ens3 0.53 0.03 0.05 0.01 0.00 0.00 0.00 0.00 00:30:25 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 00:30:25 ens3 62.76 45.97 314.57 10.46 0.00 0.00 0.00 0.00 00:40:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:25 ens3 14.95 14.89 115.99 4.80 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 26.76 20.80 146.98 5.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-695) 09/06/26 _x86_64_ (2 CPU) 00:04:42 LINUX RESTART (2 CPU) 00:10:25 CPU %user %nice %system %iowait %steal %idle 00:20:05 all 0.27 0.00 0.12 0.01 0.01 99.59 00:20:05 0 0.44 0.00 0.10 0.02 0.01 99.43 00:20:05 1 0.10 0.00 0.13 0.00 0.01 99.75 00:30:25 all 11.79 0.00 2.01 0.53 0.01 85.67 00:30:25 0 12.01 0.00 1.96 0.41 0.01 85.61 00:30:25 1 11.57 0.00 2.06 0.64 0.01 85.72 00:40:25 all 4.86 0.00 0.24 0.01 0.01 94.88 00:40:25 0 8.58 0.00 0.27 0.01 0.01 91.13 00:40:25 1 1.14 0.00 0.21 0.02 0.01 98.63 Average: all 5.77 0.00 0.81 0.19 0.01 93.22 Average: 0 7.14 0.00 0.80 0.15 0.01 91.90 Average: 1 4.40 0.00 0.83 0.23 0.01 94.55