---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26600 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 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 765 5119 4 2358 7176 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:52:1a:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.6/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8714sec preferred_lft 8714sec inet6 fe80::f816:3eff:fe52:1a5c/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-26600) 06/12/26 _x86_64_ (2 CPU) 00:00:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.83 0.02 1.80 0.02 0.84 21.20 0.19 00:20:11 1.86 0.10 1.72 0.03 3.00 23.86 139.10 00:30:17 1.75 0.00 1.74 0.01 0.00 19.25 0.22 00:40:01 24.34 3.06 18.95 2.32 231.78 3529.49 486.03 Average: 7.33 0.78 5.97 0.59 57.77 881.00 154.81 00:00:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6106340 7501720 306940 3.77 54092 1537440 545860 5.95 472192 1308836 340 00:20:11 6124140 7481520 327028 4.02 54240 1499240 543664 5.92 470912 1270540 272 00:30:17 6141172 7499008 309520 3.81 54372 1499568 543728 5.92 470852 1270988 312 00:40:01 5110196 7392380 364044 4.48 105212 2328476 642720 7.00 599500 2105656 324 Average: 5870462 7468657 326883 4.02 66979 1716181 568993 6.20 503364 1489005 312 00:00:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.24 0.07 0.08 0.04 0.00 0.00 0.00 0.00 00:20:11 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:11 ens3 0.14 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:17 ens3 0.51 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 65.65 45.84 328.83 11.89 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.31 11.30 80.65 2.95 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26600) 06/12/26 _x86_64_ (2 CPU) 00:00:19 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.23 0.00 0.10 0.01 0.02 99.64 00:10:01 0 0.40 0.00 0.09 0.01 0.01 99.49 00:10:01 1 0.06 0.00 0.11 0.01 0.02 99.78 00:20:11 all 0.66 0.00 0.21 0.01 0.02 99.11 00:20:11 0 0.42 0.00 0.21 0.01 0.03 99.34 00:20:11 1 0.90 0.00 0.20 0.02 0.01 98.87 00:30:17 all 0.25 0.00 0.14 0.01 0.02 99.57 00:30:17 0 0.21 0.00 0.16 0.01 0.02 99.60 00:30:17 1 0.29 0.00 0.13 0.02 0.02 99.54 00:40:01 all 12.35 0.00 1.75 0.52 0.04 85.34 00:40:01 0 9.49 0.00 1.43 0.49 0.03 88.55 00:40:01 1 15.21 0.00 2.07 0.55 0.05 82.12 Average: all 3.31 0.00 0.54 0.14 0.02 95.98 Average: 0 2.58 0.00 0.47 0.13 0.02 96.80 Average: 1 4.04 0.00 0.62 0.15 0.03 95.17