---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30594 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 nrip_save 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 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 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 816 5008 4 2418 7125 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:4e:93:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81199sec preferred_lft 81199sec inet6 fe80::f816:3eff:fe4e:93bc/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30594) 06/26/26 _x86_64_ (2 CPU) 00:42:19 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 1.69 0.01 1.66 0.02 0.05 843.94 433.01 01:10:05 13.91 0.00 1.35 12.55 0.15 16.31 109178.61 01:20:01 1.93 0.26 1.64 0.03 31.23 76.42 1.38 01:30:05 1.58 0.00 1.55 0.03 0.00 18.95 865.95 01:40:05 15.58 13.53 1.98 0.07 151.02 44.36 7.57 01:50:01 23.63 3.02 18.30 2.31 228.77 3487.99 497.36 02:00:05 1.64 0.00 1.63 0.02 0.00 68.54 0.60 Average: 8.54 2.40 4.00 2.14 58.41 647.57 15836.81 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6274184 7521824 298848 3.67 30732 1422828 520364 5.67 443280 1183548 172 01:10:05 6280288 7528508 292092 3.59 30940 1423200 522892 5.70 448432 1184100 172 01:20:01 6222996 7498272 321764 3.96 31316 1449512 721072 7.85 463472 1202024 124 01:30:05 6223756 7499632 320292 3.94 31548 1449848 721064 7.85 463340 1202588 240 01:40:05 6167224 7500380 310436 3.82 35732 1494600 721212 7.86 464508 1250792 248 01:50:01 5126392 7384280 373524 4.59 90864 2319068 836616 9.11 605280 2084832 240 02:00:05 5103800 7376708 380964 4.68 91012 2333952 846860 9.22 607056 2099848 504 Average: 5914091 7472801 328274 4.04 48878 1699001 698583 7.61 499338 1458247 243 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.66 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 1.10 0.16 9.30 0.13 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.26 0.62 3.36 0.70 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.32 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 0.66 0.17 0.21 0.12 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 78.63 50.78 319.75 12.24 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 43.40 38.22 9.58 5.27 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 17.94 12.83 48.52 2.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30594) 06/26/26 _x86_64_ (2 CPU) 00:42:19 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 0.24 0.00 0.16 0.01 0.04 99.54 01:00:05 0 0.17 0.00 0.16 0.01 0.05 99.61 01:00:05 1 0.32 0.00 0.16 0.01 0.04 99.47 01:10:05 all 0.28 0.00 0.09 0.03 0.04 99.55 01:10:05 0 0.43 0.00 0.07 0.01 0.03 99.46 01:10:05 1 0.14 0.00 0.11 0.05 0.06 99.65 01:20:01 all 0.39 0.00 0.10 0.02 0.04 99.45 01:20:01 0 0.58 0.00 0.10 0.03 0.03 99.26 01:20:01 1 0.21 0.00 0.10 0.01 0.05 99.64 01:30:05 all 0.26 0.00 0.16 0.01 0.03 99.53 01:30:05 0 0.11 0.00 0.17 0.02 0.04 99.66 01:30:05 1 0.41 0.00 0.15 0.01 0.03 99.40 01:40:05 all 0.24 0.17 0.13 0.12 0.04 99.31 01:40:05 0 0.05 0.33 0.19 0.24 0.04 99.15 01:40:05 1 0.43 0.00 0.07 0.01 0.03 99.46 01:50:01 all 14.02 0.00 1.80 0.51 0.07 83.60 01:50:01 0 10.55 0.00 1.54 0.34 0.07 87.50 01:50:01 1 17.52 0.00 2.07 0.67 0.06 79.68 02:00:05 all 6.36 0.00 0.58 0.01 0.08 92.96 02:00:05 0 3.04 0.00 0.51 0.01 0.08 96.37 02:00:05 1 9.71 0.00 0.65 0.02 0.09 89.52 Average: all 3.09 0.02 0.43 0.10 0.05 96.30 Average: 0 2.12 0.05 0.39 0.09 0.05 97.30 Average: 1 4.07 0.00 0.47 0.11 0.05 95.30