---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25578 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: 5600.00 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 760 5207 4 2266 7181 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:27:fa:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84115sec preferred_lft 84115sec inet6 fe80::f816:3eff:fe27:fa21/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25578) 06/07/26 _x86_64_ (2 CPU) 03:06:47 LINUX RESTART (2 CPU) 03:10:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:20 9.47 1.24 7.26 0.97 106.94 1077.52 508.59 03:30:20 15.08 0.01 1.58 13.49 0.20 19.31 106563.20 03:40:06 1.22 0.00 1.22 0.00 0.00 14.84 0.00 Average: 8.65 0.42 3.38 4.84 36.24 375.78 35830.58 03:10:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:20 5243776 7420920 346924 4.27 85760 2251956 618460 6.74 578384 2022300 192 03:30:20 5240204 7417904 349556 4.30 85924 2252352 618500 6.74 578512 2022836 168 03:40:06 5241824 7419980 347484 4.27 86028 2252700 619660 6.75 578592 2023292 216 Average: 5241935 7419601 347988 4.28 85904 2252336 618873 6.74 578496 2022809 192 03:10:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:20 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:20:20 ens3 26.44 19.67 38.86 4.88 0.00 0.00 0.00 0.00 03:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:20 ens3 0.69 0.26 0.15 0.07 0.00 0.00 0.00 0.00 03:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:06 ens3 0.55 0.16 1.66 0.05 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 9.35 6.79 13.73 1.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25578) 06/07/26 _x86_64_ (2 CPU) 03:06:47 LINUX RESTART (2 CPU) 03:10:13 CPU %user %nice %system %iowait %steal %idle 03:20:20 all 4.64 0.00 0.83 0.41 0.04 94.08 03:20:20 0 4.37 0.00 0.85 0.43 0.05 94.30 03:20:20 1 4.91 0.00 0.81 0.39 0.03 93.86 03:30:20 all 0.38 0.00 0.23 0.06 0.04 99.28 03:30:20 0 0.41 0.00 0.21 0.05 0.04 99.29 03:30:20 1 0.36 0.00 0.26 0.07 0.05 99.26 03:40:06 all 0.37 0.00 0.12 0.05 0.04 99.42 03:40:06 0 0.29 0.00 0.11 0.08 0.03 99.49 03:40:06 1 0.46 0.00 0.13 0.03 0.05 99.34 Average: all 1.82 0.00 0.40 0.17 0.04 97.56 Average: 0 1.71 0.00 0.39 0.19 0.04 97.67 Average: 1 1.93 0.00 0.40 0.16 0.04 97.46