---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29868 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 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 832 5125 4 2272 7109 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:93:b3:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84428sec preferred_lft 84428sec inet6 fe80::f816:3eff:fe93:b342/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29868) 03/25/26 _x86_64_ (2 CPU) 00:39:11 LINUX RESTART (2 CPU) 00:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:03 33.98 1.72 16.66 15.60 132.61 2967.90 107363.95 01:00:01 1.50 0.01 1.47 0.02 0.19 87.06 0.71 01:10:03 1.86 0.32 1.51 0.03 40.28 120.47 0.85 Average: 12.45 0.68 6.54 5.22 57.73 1058.47 35786.91 00:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:03 5316156 7403556 368588 4.53 84028 2168248 690304 7.52 591300 1937636 1604 01:00:01 5278960 7386384 385400 4.74 84200 2188096 678384 7.39 595788 1957660 724 01:10:03 5191204 7342164 428896 5.27 84512 2230828 733200 7.99 652968 1989220 868 Average: 5262107 7377368 394295 4.85 84247 2195724 700629 7.63 613352 1961505 1065 00:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:03 lo 1.25 1.25 0.07 0.07 0.00 0.00 0.00 0.00 00:50:03 ens3 108.50 86.51 228.20 15.11 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 52.01 51.99 14.55 4.26 0.00 0.00 0.00 0.00 01:10:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 19.91 20.68 9.44 2.08 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 60.10 53.02 84.06 7.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29868) 03/25/26 _x86_64_ (2 CPU) 00:39:11 LINUX RESTART (2 CPU) 00:40:03 CPU %user %nice %system %iowait %steal %idle 00:50:03 all 12.54 0.00 2.07 1.10 0.06 84.23 00:50:03 0 11.91 0.00 2.00 0.74 0.06 85.28 00:50:03 1 13.17 0.00 2.14 1.46 0.06 83.18 01:00:01 all 6.40 0.00 0.94 0.01 0.08 92.58 01:00:01 0 5.30 0.00 0.78 0.01 0.08 93.83 01:00:01 1 7.50 0.00 1.09 0.02 0.07 91.33 01:10:03 all 4.74 0.00 0.64 0.02 0.08 94.52 01:10:03 0 4.82 0.00 0.77 0.02 0.08 94.30 01:10:03 1 4.65 0.00 0.52 0.02 0.07 94.74 Average: all 7.89 0.00 1.22 0.38 0.07 90.44 Average: 0 7.34 0.00 1.19 0.26 0.07 91.14 Average: 1 8.44 0.00 1.25 0.50 0.07 89.75