---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11255 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 22% / 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 782 5153 4 2294 7159 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:6a:45:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85042sec preferred_lft 85042sec inet6 fe80::f816:3eff:fe6a:451d/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-11255) 05/06/26 _x86_64_ (2 CPU) 03:07:38 LINUX RESTART (2 CPU) 03:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:01 12.44 1.63 9.45 1.36 147.45 1817.08 478.64 03:30:01 6.64 0.09 4.89 1.65 7.60 597.92 2018.08 Average: 9.53 0.86 7.17 1.51 77.33 1205.85 1250.44 03:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:01 5260084 7391244 380736 4.68 84136 2211324 905608 9.86 617860 1972160 684 03:30:01 5315400 7368408 411796 5.06 87372 2137544 631364 6.88 636472 1899580 26932 Average: 5287742 7379826 396266 4.87 85754 2174434 768486 8.37 627166 1935870 13808 03:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:01 lo 1.19 1.19 0.07 0.07 0.00 0.00 0.00 0.00 03:20:01 ens3 102.78 85.92 59.64 12.65 0.00 0.00 0.00 0.00 03:30:01 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 03:30:01 ens3 89.32 84.57 41.16 29.00 0.00 0.00 0.00 0.00 Average: lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 96.03 85.24 50.37 20.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11255) 05/06/26 _x86_64_ (2 CPU) 03:07:38 LINUX RESTART (2 CPU) 03:10:04 CPU %user %nice %system %iowait %steal %idle 03:20:01 all 10.70 0.00 1.57 0.54 0.09 87.10 03:20:01 0 14.04 0.00 1.74 0.74 0.10 83.37 03:20:01 1 7.35 0.00 1.39 0.34 0.09 90.83 03:30:01 all 13.24 0.00 1.60 0.63 0.07 84.45 03:30:01 0 12.97 0.00 1.57 0.74 0.07 84.64 03:30:01 1 13.51 0.00 1.63 0.52 0.07 84.26 Average: all 11.97 0.00 1.58 0.59 0.08 85.77 Average: 0 13.51 0.00 1.66 0.74 0.09 84.01 Average: 1 10.44 0.00 1.51 0.43 0.08 87.54