---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29305 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: 5599.86 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 761 5158 4 2322 7180 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:21:ab:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.103/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84140sec preferred_lft 84140sec inet6 fe80::f816:3eff:fe21:abc2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29305) 06/22/26 _x86_64_ (2 CPU) 01:46:49 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:34 8.58 1.14 6.59 0.86 98.28 1013.76 273.95 02:10:34 1.76 0.26 1.48 0.02 32.06 73.94 0.35 02:20:01 30.68 14.34 1.99 14.36 159.77 44.99 113115.15 Average: 13.26 5.00 3.43 4.83 95.54 395.16 35706.44 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:34 5246060 7413364 353964 4.35 85756 2242112 628308 6.84 576092 2013112 124 02:10:34 5187984 7382216 384796 4.73 86044 2268688 628464 6.85 585392 2030900 164 02:20:01 5137812 7388336 369708 4.55 89420 2313384 628584 6.85 586112 2078336 140 Average: 5190619 7394639 369489 4.54 87073 2274728 628452 6.85 582532 2040783 143 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:34 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 02:00:34 ens3 25.24 18.17 36.72 4.40 0.00 0.00 0.00 0.00 02:10:34 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:34 ens3 0.95 0.42 3.21 0.05 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.65 0.26 1.88 0.04 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 9.40 6.61 14.57 1.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29305) 06/22/26 _x86_64_ (2 CPU) 01:46:49 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:34 all 4.02 0.00 0.82 0.15 0.07 94.94 02:00:34 0 5.25 0.00 0.90 0.14 0.06 93.65 02:00:34 1 2.78 0.00 0.73 0.16 0.08 96.24 02:10:34 all 0.47 0.00 0.17 0.02 0.08 99.26 02:10:34 0 0.53 0.00 0.20 0.02 0.11 99.14 02:10:34 1 0.41 0.00 0.14 0.01 0.06 99.38 02:20:01 all 0.34 0.18 0.21 0.17 0.07 99.02 02:20:01 0 0.28 0.01 0.20 0.05 0.10 99.36 02:20:01 1 0.40 0.36 0.22 0.29 0.05 98.68 Average: all 1.68 0.06 0.41 0.11 0.08 97.67 Average: 0 2.11 0.00 0.45 0.07 0.09 97.28 Average: 1 1.24 0.11 0.38 0.15 0.06 98.05