---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2901 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 7.8G 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 735 5349 4 2144 7206 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:59:c5:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84169sec preferred_lft 84169sec inet6 fe80::f816:3eff:fe59:c5d8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2901) 04/15/26 _x86_64_ (2 CPU) 02:57:16 LINUX RESTART (2 CPU) 03:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:04 8.88 1.22 6.67 0.98 105.03 1068.70 464.98 03:20:03 1.23 0.01 1.22 0.00 0.07 14.96 0.24 03:30:03 1.56 0.00 1.54 0.02 0.00 19.11 0.23 Average: 3.89 0.41 3.15 0.34 35.09 368.16 155.40 03:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:04 5340004 7419240 352972 4.34 84100 2159680 627264 6.83 578488 1929120 304 03:20:03 5339500 7419252 352736 4.34 84260 2160028 627260 6.83 578572 1929636 176 03:30:03 5329016 7409280 362612 4.46 84420 2160384 627332 6.83 578636 1930148 252 Average: 5336173 7415924 356107 4.38 84260 2160031 627285 6.83 578565 1929635 244 03:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:04 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:10:04 ens3 26.92 19.63 38.81 4.85 0.00 0.00 0.00 0.00 03:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:03 ens3 0.68 0.20 0.10 0.03 0.00 0.00 0.00 0.00 03:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:03 ens3 0.89 0.32 8.99 0.08 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 9.51 6.73 15.99 1.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2901) 04/15/26 _x86_64_ (2 CPU) 02:57:16 LINUX RESTART (2 CPU) 03:00:04 CPU %user %nice %system %iowait %steal %idle 03:10:04 all 4.42 0.00 0.78 0.15 0.07 94.58 03:10:04 0 3.89 0.00 0.72 0.08 0.05 95.26 03:10:04 1 4.95 0.00 0.85 0.22 0.09 93.89 03:20:03 all 0.37 0.00 0.14 0.01 0.08 99.40 03:20:03 0 0.38 0.00 0.14 0.00 0.09 99.39 03:20:03 1 0.37 0.00 0.13 0.01 0.07 99.42 03:30:03 all 0.36 0.00 0.21 0.01 0.08 99.34 03:30:03 0 0.36 0.00 0.20 0.01 0.08 99.36 03:30:03 1 0.36 0.00 0.23 0.01 0.09 99.31 Average: all 1.72 0.00 0.38 0.06 0.08 97.77 Average: 0 1.54 0.00 0.35 0.03 0.07 98.00 Average: 1 1.89 0.00 0.40 0.08 0.08 97.54