---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23811 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 7.9G 30G 21% / 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 739 5238 4 2255 7202 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:38:a4:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82192sec preferred_lft 82192sec inet6 fe80::f816:3eff:fe38:a473/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23811) 06/05/26 _x86_64_ (2 CPU) 00:39:26 LINUX RESTART (2 CPU) 00:40:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:08 1.85 0.03 1.80 0.02 1.44 29.29 220.46 01:00:13 1.57 0.01 1.55 0.01 0.05 18.21 432.47 01:10:13 1.32 0.00 1.32 0.00 0.00 15.41 0.00 01:20:13 13.94 0.00 1.40 12.53 0.16 16.24 109162.67 01:30:13 2.04 0.25 1.76 0.02 30.97 70.16 436.05 01:40:08 1.91 0.41 1.49 0.00 17.03 55.77 0.07 Average: 3.77 0.12 1.55 2.10 8.26 34.13 18405.28 00:40:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:08 6301100 7548196 272472 3.35 30572 1422208 529708 5.77 442684 1183184 188 01:00:13 6294816 7542444 278172 3.42 30752 1422540 529764 5.77 442788 1183696 136 01:10:13 6294312 7542428 278188 3.42 30920 1422860 531452 5.79 444408 1184184 132 01:20:13 6278436 7527100 293536 3.61 31096 1423224 530064 5.77 448080 1184696 132 01:30:13 6250988 7526364 293848 3.61 31436 1449244 725124 7.90 462320 1202292 2020 01:40:08 6224384 7515432 304532 3.74 31748 1464380 550324 5.99 489128 1215784 380 Average: 6274006 7533661 286791 3.53 31087 1434076 566073 6.17 454901 1192306 498 00:40:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:08 ens3 2.57 0.12 0.38 0.08 0.00 0.00 0.00 0.00 01:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:13 ens3 0.50 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:13 ens3 1.26 0.18 0.47 0.18 0.00 0.00 0.00 0.00 01:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:13 ens3 0.63 0.32 0.12 0.73 0.00 0.00 0.00 0.00 01:30:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 0.55 0.23 3.17 0.05 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 9.39 4.89 20.31 2.94 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.47 0.96 4.06 0.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23811) 06/05/26 _x86_64_ (2 CPU) 00:39:26 LINUX RESTART (2 CPU) 00:40:13 CPU %user %nice %system %iowait %steal %idle 00:50:08 all 0.29 0.00 0.16 0.02 0.04 99.49 00:50:08 0 0.45 0.00 0.15 0.01 0.03 99.36 00:50:08 1 0.14 0.00 0.17 0.02 0.04 99.62 01:00:13 all 0.30 0.00 0.15 0.01 0.04 99.50 01:00:13 0 0.30 0.00 0.15 0.00 0.03 99.53 01:00:13 1 0.30 0.00 0.16 0.02 0.04 99.48 01:10:13 all 0.27 0.00 0.08 0.01 0.03 99.61 01:10:13 0 0.22 0.00 0.08 0.00 0.03 99.67 01:10:13 1 0.33 0.00 0.08 0.02 0.04 99.54 01:20:13 all 0.23 0.00 0.08 0.03 0.03 99.63 01:20:13 0 0.28 0.00 0.06 0.00 0.03 99.63 01:20:13 1 0.17 0.00 0.09 0.07 0.04 99.63 01:30:13 all 0.36 0.00 0.17 0.02 0.03 99.42 01:30:13 0 0.33 0.00 0.19 0.01 0.04 99.43 01:30:13 1 0.38 0.00 0.16 0.03 0.03 99.41 01:40:08 all 0.51 0.00 0.10 0.02 0.03 99.34 01:40:08 0 0.30 0.00 0.11 0.01 0.05 99.53 01:40:08 1 0.72 0.00 0.08 0.03 0.02 99.16 Average: all 0.33 0.00 0.12 0.02 0.03 99.50 Average: 0 0.31 0.00 0.12 0.01 0.03 99.53 Average: 1 0.34 0.00 0.12 0.03 0.04 99.47