---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8183 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 5323 4 2170 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:5f:e8:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84043sec preferred_lft 84043sec inet6 fe80::f816:3eff:fe5f:e85b/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-8183) 03/23/26 _x86_64_ (2 CPU) 01:51:46 LINUX RESTART (2 CPU) 02:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:03 1.29 0.01 1.26 0.02 1.11 15.55 0.89 02:20:03 1.25 0.00 1.25 0.00 0.01 15.01 0.00 02:30:03 17.02 0.05 2.85 14.12 1.69 104.47 108742.85 Average: 6.52 0.02 1.79 4.71 0.94 45.01 36247.91 02:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:03 5287204 7391932 380328 4.68 84112 2185140 635980 6.93 583948 1943540 252 02:20:03 5294048 7399284 372980 4.59 84264 2185492 637232 6.94 584108 1944048 212 02:30:03 5474164 7394364 386796 4.76 85592 2007100 655004 7.13 629368 1766672 24252 Average: 5351805 7395193 380035 4.67 84656 2125911 642739 7.00 599141 1884753 8239 02:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 1.13 0.28 0.14 0.08 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.49 0.16 0.08 0.03 0.00 0.00 0.00 0.00 02:30:03 lo 1.03 1.03 0.06 0.06 0.00 0.00 0.00 0.00 02:30:03 ens3 5.60 3.84 7.97 2.02 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.41 1.42 2.73 0.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8183) 03/23/26 _x86_64_ (2 CPU) 01:51:46 LINUX RESTART (2 CPU) 02:00:03 CPU %user %nice %system %iowait %steal %idle 02:10:03 all 0.38 0.00 0.14 0.01 0.05 99.42 02:10:03 0 0.39 0.00 0.17 0.01 0.06 99.38 02:10:03 1 0.38 0.00 0.11 0.01 0.05 99.45 02:20:03 all 0.37 0.00 0.12 0.01 0.06 99.45 02:20:03 0 0.38 0.00 0.13 0.00 0.05 99.45 02:20:03 1 0.36 0.00 0.12 0.01 0.06 99.45 02:30:03 all 1.71 0.00 0.39 0.08 0.07 97.76 02:30:03 0 2.76 0.00 0.50 0.06 0.07 96.60 02:30:03 1 0.65 0.00 0.28 0.09 0.07 98.92 Average: all 0.82 0.00 0.22 0.03 0.06 98.87 Average: 0 1.18 0.00 0.27 0.02 0.06 98.48 Average: 1 0.47 0.00 0.17 0.04 0.06 99.27