---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29028 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 770 5045 4 2418 7171 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:94:9d:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84488sec preferred_lft 84488sec inet6 fe80::f816:3eff:fe94:9d01/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29028) 06/21/26 _x86_64_ (2 CPU) 00:16:58 LINUX RESTART (2 CPU) 00:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:07 1.52 0.03 1.48 0.01 1.24 17.91 436.03 00:40:10 23.41 2.99 18.13 2.29 226.53 3493.68 597.68 Average: 12.49 1.51 9.82 1.15 114.14 1759.74 517.04 00:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:07 6283184 7530016 290948 3.58 30580 1421944 531388 5.79 447624 1183312 244 00:40:10 5216700 7402888 365288 4.49 85972 2260820 642168 6.99 592968 2031992 1084 Average: 5749942 7466452 328118 4.03 58276 1841382 586778 6.39 520296 1607652 664 00:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:07 ens3 1.11 0.12 0.18 0.08 0.00 0.00 0.00 0.00 00:40:10 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:10 ens3 68.83 48.48 327.26 12.65 0.00 0.00 0.00 0.00 Average: lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 35.05 24.36 164.09 6.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29028) 06/21/26 _x86_64_ (2 CPU) 00:16:58 LINUX RESTART (2 CPU) 00:20:07 CPU %user %nice %system %iowait %steal %idle 00:30:07 all 0.30 0.00 0.15 0.01 0.03 99.51 00:30:07 0 0.49 0.00 0.13 0.02 0.03 99.33 00:30:07 1 0.10 0.00 0.17 0.01 0.04 99.68 00:40:10 all 13.78 0.00 1.70 0.57 0.06 83.88 00:40:10 0 11.64 0.00 1.67 0.30 0.06 86.34 00:40:10 1 15.93 0.00 1.73 0.85 0.06 81.42 Average: all 7.05 0.00 0.93 0.29 0.05 91.68 Average: 0 6.07 0.00 0.90 0.16 0.04 92.82 Average: 1 8.03 0.00 0.95 0.43 0.05 90.53