---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9789 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 748 5301 4 2180 7193 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:e2:f9:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84178sec preferred_lft 84178sec inet6 fe80::f816:3eff:fee2:f9f0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9789) 04/30/26 _x86_64_ (2 CPU) 02:57:12 LINUX RESTART (2 CPU) 03:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:02 8.89 1.21 6.69 0.98 103.96 1072.47 362.81 03:20:04 1.82 0.26 1.54 0.03 30.96 74.07 1.37 03:30:05 14.97 0.01 1.50 13.46 1.20 19.17 106690.83 Average: 8.56 0.49 3.24 4.82 45.38 388.60 35651.08 03:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:02 5324560 7416424 355484 4.37 84032 2172160 627632 6.84 581116 1941060 228 03:20:04 5257724 7375824 395696 4.87 84296 2198068 821520 8.95 595624 1958468 184 03:30:05 5274684 7393676 377920 4.65 84460 2198776 627908 6.84 590552 1959000 184 Average: 5285656 7395308 376367 4.63 84263 2189668 692353 7.54 589097 1952843 199 03:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:02 lo 1.12 1.12 0.07 0.07 0.00 0.00 0.00 0.00 03:10:02 ens3 27.16 18.73 38.76 4.74 0.00 0.00 0.00 0.00 03:20:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:20:04 ens3 1.17 0.38 3.19 0.04 0.00 0.00 0.00 0.00 03:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:05 ens3 0.99 0.20 0.17 0.07 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 9.77 6.44 14.04 1.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9789) 04/30/26 _x86_64_ (2 CPU) 02:57:12 LINUX RESTART (2 CPU) 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:02 all 4.47 0.00 0.76 0.25 0.06 94.45 03:10:02 0 1.64 0.00 0.54 0.25 0.07 97.50 03:10:02 1 7.30 0.00 0.99 0.25 0.05 91.41 03:20:04 all 0.49 0.00 0.16 0.02 0.06 99.27 03:20:04 0 0.51 0.00 0.23 0.02 0.09 99.15 03:20:04 1 0.47 0.00 0.09 0.01 0.03 99.39 03:30:05 all 0.39 0.00 0.22 0.03 0.07 99.29 03:30:05 0 0.31 0.00 0.28 0.05 0.10 99.26 03:30:05 1 0.46 0.00 0.17 0.02 0.04 99.32 Average: all 1.78 0.00 0.38 0.10 0.06 97.67 Average: 0 0.82 0.00 0.35 0.11 0.09 98.64 Average: 1 2.74 0.00 0.42 0.09 0.04 96.71