---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1878 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 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 5299 4 2183 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:e3:56:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82391sec preferred_lft 82391sec inet6 fe80::f816:3eff:fee3:56b3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1878) 04/11/26 _x86_64_ (2 CPU) 00:42:13 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:04 1.53 0.01 1.51 0.02 0.05 18.39 870.15 01:10:04 1.27 0.00 1.27 0.00 0.00 15.05 0.00 01:20:05 13.87 0.00 1.37 12.50 0.16 16.10 108864.55 01:30:07 2.18 0.31 1.84 0.03 38.94 76.59 869.38 01:40:00 1.77 0.40 1.37 0.00 15.99 47.76 0.00 Average: 4.13 0.15 1.47 2.52 11.02 34.75 22203.68 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:04 6274184 7525564 294880 3.63 30708 1426296 536664 5.85 445412 1187492 184 01:10:04 6273736 7525608 294824 3.63 30860 1426628 536728 5.85 445500 1187976 188 01:20:05 6273736 7526160 294248 3.62 31036 1426996 536788 5.85 446016 1188492 184 01:30:07 6232600 7513884 305876 3.76 31436 1455056 735556 8.01 462952 1205880 240 01:40:00 6219144 7515620 303748 3.73 31748 1469856 751940 8.19 492528 1219344 212 Average: 6254680 7521367 298715 3.67 31158 1440966 619535 6.75 458482 1197837 202 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.81 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.91 0.05 10.10 0.03 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.58 0.11 0.14 0.06 0.00 0.00 0.00 0.00 01:30:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.55 0.24 3.10 0.05 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 12.06 5.31 20.51 3.29 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.96 1.14 6.75 0.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1878) 04/11/26 _x86_64_ (2 CPU) 00:42:13 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:04 all 0.27 0.00 0.17 0.01 0.03 99.52 01:00:04 0 0.46 0.00 0.14 0.00 0.02 99.38 01:00:04 1 0.09 0.00 0.20 0.01 0.03 99.66 01:10:04 all 0.26 0.00 0.07 0.01 0.03 99.63 01:10:04 0 0.46 0.00 0.05 0.01 0.02 99.46 01:10:04 1 0.06 0.00 0.10 0.01 0.04 99.79 01:20:05 all 0.21 0.00 0.09 0.03 0.03 99.64 01:20:05 0 0.18 0.00 0.08 0.02 0.03 99.69 01:20:05 1 0.25 0.00 0.09 0.04 0.03 99.59 01:30:07 all 0.37 0.00 0.20 0.03 0.03 99.36 01:30:07 0 0.36 0.00 0.19 0.01 0.03 99.41 01:30:07 1 0.38 0.00 0.22 0.05 0.03 99.31 01:40:00 all 0.54 0.00 0.10 0.02 0.03 99.32 01:40:00 0 0.42 0.00 0.11 0.02 0.04 99.41 01:40:00 1 0.65 0.00 0.09 0.01 0.03 99.22 Average: all 0.33 0.00 0.13 0.02 0.03 99.49 Average: 0 0.38 0.00 0.11 0.01 0.03 99.47 Average: 1 0.29 0.00 0.14 0.03 0.03 99.51