---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3738 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 736 5278 4 2215 7205 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:5e:fb:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84983sec preferred_lft 84983sec inet6 fe80::f816:3eff:fe5e:fb3f/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-3738) 04/17/26 _x86_64_ (2 CPU) 01:47:32 LINUX RESTART (2 CPU) 01:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 11.68 1.32 9.06 1.30 114.10 2307.48 375.85 02:10:00 2.72 0.05 2.12 0.55 1.84 149.25 2100.35 Average: 7.16 0.68 5.56 0.92 57.50 1219.29 1245.35 01:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 5322748 7413468 358484 4.41 83764 2171428 676560 7.37 586852 1940332 200 02:10:00 5324520 7333116 447960 5.51 85160 2096236 684800 7.46 664860 1866156 92852 Average: 5323634 7373292 403222 4.96 84462 2133832 680680 7.41 625856 1903244 46526 01:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.15 1.15 0.07 0.07 0.00 0.00 0.00 0.00 02:00:00 ens3 105.58 85.54 58.08 14.29 0.00 0.00 0.00 0.00 02:10:00 lo 1.02 1.02 0.06 0.06 0.00 0.00 0.00 0.00 02:10:00 ens3 75.48 71.23 31.71 15.18 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 90.41 78.33 44.78 14.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3738) 04/17/26 _x86_64_ (2 CPU) 01:47:32 LINUX RESTART (2 CPU) 01:50:10 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 9.54 0.00 1.65 0.39 0.06 88.36 02:00:00 0 11.75 0.00 1.76 0.49 0.06 85.94 02:00:00 1 7.33 0.00 1.54 0.29 0.06 90.78 02:10:00 all 9.22 0.00 1.15 0.04 0.07 89.51 02:10:00 0 9.78 0.00 0.95 0.07 0.07 89.13 02:10:00 1 8.66 0.00 1.36 0.01 0.07 89.90 Average: all 9.38 0.00 1.40 0.21 0.06 88.94 Average: 0 10.76 0.00 1.36 0.28 0.06 87.55 Average: 1 8.00 0.00 1.45 0.15 0.06 90.34