---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39197 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 795 5152 4 2286 7146 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:95:56:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82370sec preferred_lft 82370sec inet6 fe80::f816:3eff:fe95:56cf/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-39197) 07/27/26 _x86_64_ (2 CPU) 00:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.53 0.02 1.49 0.03 0.82 18.02 438.85 00:20:03 2.12 0.36 1.73 0.03 34.31 79.55 612.29 00:30:03 14.13 0.00 1.56 12.57 0.15 18.97 109777.14 00:40:01 25.60 2.91 19.72 2.98 227.55 3569.67 2529.24 Average: 10.84 0.82 6.11 3.90 65.60 919.35 28361.96 00:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6289576 7542468 278132 3.42 31124 1427368 532224 5.80 449544 1189016 164 00:20:03 6235860 7516148 303800 3.74 31632 1453832 731896 7.97 463912 1207000 296 00:30:03 6230544 7511536 308204 3.79 31828 1454328 731960 7.97 464460 1207500 292 00:40:01 5311044 7342520 432608 5.32 88720 2110236 877748 9.56 662780 1874624 28948 Average: 6016756 7478168 330686 4.07 45826 1611441 718457 7.83 510174 1369535 7425 00:00:04 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 0.31 0.06 0.08 0.03 0.00 0.00 0.00 0.00 00:20:03 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 00:20:03 ens3 0.90 0.50 3.23 0.05 0.00 0.00 0.00 0.00 00:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:03 ens3 0.46 0.21 0.11 0.67 0.00 0.00 0.00 0.00 00:40:01 lo 1.33 1.33 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 70.17 48.06 334.19 12.95 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 17.92 12.18 84.19 3.42 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39197) 07/27/26 _x86_64_ (2 CPU) 00:00:04 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.25 0.00 0.11 0.03 0.05 99.55 00:10:01 0 0.29 0.00 0.11 0.03 0.03 99.54 00:10:01 1 0.21 0.00 0.11 0.03 0.08 99.57 00:20:03 all 0.63 0.00 0.24 0.02 0.03 99.08 00:20:03 0 0.56 0.00 0.26 0.02 0.04 99.13 00:20:03 1 0.69 0.00 0.21 0.03 0.03 99.03 00:30:03 all 0.26 0.00 0.19 0.03 0.03 99.49 00:30:03 0 0.26 0.00 0.16 0.02 0.03 99.54 00:30:03 1 0.26 0.00 0.22 0.05 0.04 99.44 00:40:01 all 13.63 0.00 1.89 0.62 0.06 83.81 00:40:01 0 19.06 0.00 2.20 0.65 0.05 78.05 00:40:01 1 8.19 0.00 1.57 0.60 0.06 89.58 Average: all 3.68 0.00 0.60 0.18 0.04 95.49 Average: 0 5.03 0.00 0.68 0.18 0.04 94.08 Average: 1 2.33 0.00 0.53 0.18 0.05 96.91