---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21913 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 8.1G 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 819 5043 4 2371 7122 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:84:38:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84204sec preferred_lft 84204sec inet6 fe80::f816:3eff:fe84:38bc/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-21913) 05/31/26 _x86_64_ (2 CPU) 03:19:07 LINUX RESTART (2 CPU) 03:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:30:03 22.86 1.72 18.85 2.29 132.52 3333.96 507.72 03:40:03 1.34 0.01 1.32 0.01 0.05 126.17 0.49 03:50:03 1.20 0.00 1.20 0.00 0.00 60.05 0.03 Average: 8.49 0.58 7.14 0.77 44.34 1177.03 169.98 03:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:03 5209424 7390780 377324 4.64 85368 2257036 691124 7.53 606564 2027064 348 03:40:03 5173324 7388188 379512 4.67 85544 2290192 718112 7.82 608992 2060404 188 03:50:03 5159616 7388796 378720 4.66 85672 2304188 694788 7.57 610328 2074528 336 Average: 5180788 7389255 378519 4.65 85528 2283805 701341 7.64 608628 2053999 291 03:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:03 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 03:30:03 ens3 93.87 67.37 259.12 13.58 0.00 0.00 0.00 0.00 03:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:03 ens3 41.88 41.05 20.86 4.72 0.00 0.00 0.00 0.00 03:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:03 ens3 40.06 37.38 16.83 3.88 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 58.66 48.64 99.21 7.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21913) 05/31/26 _x86_64_ (2 CPU) 03:19:07 LINUX RESTART (2 CPU) 03:20:00 CPU %user %nice %system %iowait %steal %idle 03:30:03 all 13.51 0.00 1.89 1.42 0.06 83.12 03:30:03 0 14.09 0.00 1.85 1.18 0.06 82.81 03:30:03 1 12.93 0.00 1.94 1.65 0.06 83.43 03:40:03 all 7.37 0.00 0.87 0.03 0.07 91.66 03:40:03 0 7.72 0.00 0.93 0.05 0.07 91.23 03:40:03 1 7.02 0.00 0.80 0.01 0.06 92.10 03:50:03 all 4.71 0.00 0.44 0.01 0.07 94.77 03:50:03 0 4.97 0.00 0.47 0.01 0.07 94.48 03:50:03 1 4.45 0.00 0.41 0.01 0.07 95.06 Average: all 8.54 0.00 1.07 0.49 0.07 89.83 Average: 0 8.94 0.00 1.09 0.42 0.07 89.49 Average: 1 8.14 0.00 1.05 0.56 0.06 90.18