---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9117 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 752 5194 4 2288 7189 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:60:93:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83805sec preferred_lft 83805sec inet6 fe80::f816:3eff:fe60:9395/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9117) 09/18/26 _x86_64_ (2 CPU) 00:19:45 LINUX RESTART (2 CPU) 00:20:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:22 2.50 0.36 2.11 0.04 43.90 117.89 421.90 00:40:14 1.25 0.01 1.23 0.01 0.05 15.49 25.19 00:50:22 1.14 0.00 1.13 0.02 0.00 14.38 44.32 01:00:22 27.05 2.87 21.39 2.79 225.44 3678.13 3007.20 Average: 7.95 0.81 6.43 0.71 67.20 951.06 871.79 00:20:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:22 6237944 7524840 294896 3.63 30976 1462072 723952 7.89 471004 1212896 180 00:40:14 6237440 7524876 294848 3.63 31172 1462404 725384 7.90 467768 1213424 172 00:50:22 6235996 7523960 295756 3.64 31376 1462724 725580 7.90 467980 1213948 148 01:00:22 5307620 7345388 430000 5.29 87760 2118844 853652 9.30 650096 1880748 11468 Average: 6004750 7479766 328875 4.04 45321 1626511 757142 8.25 514212 1380254 2992 00:20:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:22 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 00:30:22 ens3 3.15 0.48 3.85 0.19 0.00 0.00 0.00 0.00 00:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:14 ens3 0.68 0.10 0.13 0.06 0.00 0.00 0.00 0.00 00:50:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:22 ens3 0.86 0.10 2.52 0.06 0.00 0.00 0.00 0.00 01:00:22 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:00:22 ens3 77.26 57.87 331.29 13.93 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 20.37 14.55 83.93 3.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9117) 09/18/26 _x86_64_ (2 CPU) 00:19:45 LINUX RESTART (2 CPU) 00:20:06 CPU %user %nice %system %iowait %steal %idle 00:30:22 all 0.54 0.00 0.36 0.03 0.01 99.07 00:30:22 0 0.44 0.00 0.34 0.01 0.01 99.21 00:30:22 1 0.64 0.00 0.37 0.05 0.01 98.93 00:40:14 all 0.31 0.00 0.11 0.01 0.01 99.56 00:40:14 0 0.42 0.00 0.11 0.00 0.00 99.47 00:40:14 1 0.21 0.00 0.11 0.02 0.01 99.65 00:50:22 all 0.29 0.00 0.10 0.01 0.01 99.60 00:50:22 0 0.05 0.00 0.12 0.01 0.01 99.81 00:50:22 1 0.52 0.00 0.08 0.02 0.00 99.38 01:00:22 all 12.73 0.00 2.22 0.64 0.02 84.40 01:00:22 0 12.16 0.00 2.14 0.80 0.02 84.88 01:00:22 1 13.29 0.00 2.30 0.47 0.01 83.92 Average: all 3.45 0.00 0.69 0.17 0.01 95.67 Average: 0 3.25 0.00 0.67 0.20 0.01 95.86 Average: 1 3.65 0.00 0.71 0.14 0.01 95.49