---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26043 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 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 747 5250 4 2235 7194 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:f7:14:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.102/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84141sec preferred_lft 84141sec inet6 fe80::f816:3eff:fef7:145e/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-26043) 06/09/26 _x86_64_ (2 CPU) 02:57:16 LINUX RESTART (2 CPU) 03:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:04 10.76 1.26 8.22 1.28 109.86 1140.75 334.34 03:20:01 1.28 0.01 1.26 0.02 0.07 15.62 1.08 03:30:05 1.31 0.00 1.28 0.04 0.00 16.72 1.84 Average: 4.45 0.42 3.58 0.44 36.60 390.54 112.28 03:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:04 5256140 7427956 340028 4.18 85560 2246876 636608 6.93 570964 2018060 256 03:20:01 5253368 7425732 342024 4.21 85752 2247236 637704 6.95 571332 2018612 208 03:30:05 5239288 7412192 355484 4.37 85932 2247588 637704 6.95 571444 2019144 216 Average: 5249599 7421960 345845 4.25 85748 2247233 637339 6.94 571247 2018605 227 03:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:04 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 03:10:04 ens3 27.52 21.20 39.72 5.29 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.78 0.26 0.19 0.10 0.00 0.00 0.00 0.00 03:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:05 ens3 0.68 0.27 0.16 0.08 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.65 7.23 13.34 1.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26043) 06/09/26 _x86_64_ (2 CPU) 02:57:16 LINUX RESTART (2 CPU) 03:00:04 CPU %user %nice %system %iowait %steal %idle 03:10:04 all 5.96 0.00 0.91 0.41 0.05 92.67 03:10:04 0 5.82 0.00 0.92 0.27 0.05 92.93 03:10:04 1 6.10 0.00 0.91 0.56 0.04 92.40 03:20:01 all 0.38 0.00 0.14 0.01 0.03 99.44 03:20:01 0 0.38 0.00 0.15 0.01 0.03 99.43 03:20:01 1 0.39 0.00 0.13 0.01 0.03 99.45 03:30:05 all 0.38 0.00 0.22 0.01 0.04 99.35 03:30:05 0 0.39 0.00 0.23 0.00 0.04 99.34 03:30:05 1 0.38 0.00 0.21 0.01 0.05 99.35 Average: all 2.24 0.00 0.42 0.14 0.04 97.15 Average: 0 2.19 0.00 0.43 0.09 0.04 97.24 Average: 1 2.29 0.00 0.41 0.19 0.04 97.07