---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35276 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 8.1G 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 768 5000 4 2473 7173 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:16:6d:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83801sec preferred_lft 83801sec inet6 fe80::f816:3eff:fe16:6d10/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35276) 07/13/26 _x86_64_ (2 CPU) 00:35:46 LINUX RESTART (2 CPU) 00:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:02 4.66 0.07 4.04 0.56 5.99 729.86 243.10 01:00:16 1.95 0.25 1.67 0.03 30.29 85.00 0.55 01:10:16 1.20 0.01 1.19 0.01 1.05 15.72 0.23 Average: 2.59 0.11 2.29 0.19 12.61 273.55 80.01 00:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:02 5242524 7420132 347864 4.28 85892 2252368 600428 6.54 578796 2023928 244 01:00:16 5175016 7381980 385576 4.74 86208 2281300 803176 8.75 596560 2044420 164 01:10:16 5188932 7396992 370628 4.56 86340 2282264 603660 6.58 591592 2045204 188 Average: 5202157 7399701 368023 4.53 86147 2271977 669088 7.29 588983 2037851 199 00:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:02 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 3.27 1.34 1.24 0.57 0.00 0.00 0.00 0.00 01:00:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:16 ens3 1.40 0.69 3.26 0.13 0.00 0.00 0.00 0.00 01:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:16 ens3 1.68 0.22 8.88 0.08 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.10 0.75 4.46 0.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35276) 07/13/26 _x86_64_ (2 CPU) 00:35:46 LINUX RESTART (2 CPU) 00:40:09 CPU %user %nice %system %iowait %steal %idle 00:50:02 all 2.62 0.00 0.31 0.05 0.07 96.94 00:50:02 0 3.84 0.00 0.38 0.05 0.08 95.65 00:50:02 1 1.41 0.00 0.25 0.05 0.06 98.22 01:00:16 all 1.30 0.00 0.23 0.02 0.08 98.36 01:00:16 0 1.37 0.00 0.25 0.02 0.09 98.26 01:00:16 1 1.23 0.00 0.22 0.02 0.08 98.45 01:10:16 all 0.82 0.00 0.12 0.01 0.08 98.97 01:10:16 0 0.72 0.00 0.10 0.01 0.07 99.10 01:10:16 1 0.92 0.00 0.13 0.01 0.09 98.85 Average: all 1.58 0.00 0.22 0.03 0.08 98.10 Average: 0 1.96 0.00 0.24 0.03 0.08 97.68 Average: 1 1.19 0.00 0.20 0.03 0.08 98.51