---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16183 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 8.0G 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 799 5089 4 2350 7142 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:66:19:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 9121sec preferred_lft 9121sec inet6 fe80::f816:3eff:fe66:19f7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16183) 05/19/26 _x86_64_ (2 CPU) 00:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:08 1.78 0.01 1.75 0.01 0.81 21.23 0.20 00:20:01 1.87 0.11 1.73 0.03 3.09 24.46 542.35 00:30:08 23.72 3.11 18.42 2.19 227.20 3098.91 449.03 Average: 9.21 1.09 7.37 0.75 77.95 1060.71 330.15 00:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:08 6127064 7523244 285708 3.51 54560 1537552 540040 5.88 472792 1309212 300 00:20:01 6149596 7507704 301184 3.70 54692 1499276 537868 5.86 471404 1270856 240 00:30:08 5178592 7377016 384008 4.72 104444 2248924 660676 7.20 626140 2024812 304 Average: 5818417 7469321 323633 3.98 71232 1761917 579528 6.31 523445 1534960 281 00:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:08 ens3 0.29 0.08 0.09 0.04 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.27 0.29 0.05 1.33 0.00 0.00 0.00 0.00 00:30:08 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:30:08 ens3 62.87 44.38 300.59 11.06 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 21.40 15.09 101.47 4.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16183) 05/19/26 _x86_64_ (2 CPU) 00:00:08 CPU %user %nice %system %iowait %steal %idle 00:10:08 all 0.24 0.00 0.10 0.01 0.04 99.60 00:10:08 0 0.43 0.00 0.07 0.01 0.03 99.46 00:10:08 1 0.06 0.00 0.14 0.01 0.06 99.74 00:20:01 all 0.60 0.00 0.22 0.02 0.04 99.12 00:20:01 0 0.74 0.00 0.23 0.03 0.03 98.97 00:20:01 1 0.47 0.00 0.20 0.01 0.04 99.27 00:30:08 all 10.28 0.00 1.64 0.48 0.05 87.55 00:30:08 0 14.13 0.00 1.98 0.57 0.05 83.27 00:30:08 1 6.42 0.00 1.30 0.40 0.05 91.83 Average: all 3.75 0.00 0.66 0.17 0.04 95.38 Average: 0 5.15 0.00 0.77 0.20 0.04 93.84 Average: 1 2.34 0.00 0.55 0.14 0.05 96.92