---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19450 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 22% / 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 755 5124 4 2353 7185 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:2f:9c:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.106/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83536sec preferred_lft 83536sec inet6 fe80::f816:3eff:fe2f:9cb3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19450) 05/24/26 _x86_64_ (2 CPU) 00:15:39 LINUX RESTART (2 CPU) 00:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:00 1.51 0.03 1.46 0.02 2.29 18.64 218.15 00:40:00 22.98 3.02 17.66 2.29 228.11 3436.15 594.80 00:50:00 14.87 0.00 1.39 13.47 0.15 55.81 106484.94 01:00:00 1.53 0.00 1.50 0.03 0.35 101.07 1.43 Average: 10.22 0.77 5.50 3.95 57.72 902.92 26825.27 00:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:00 6260388 7534028 285708 3.51 30828 1448104 528500 5.76 451400 1200636 164 00:40:00 5228076 7419192 348492 4.29 85848 2265988 633220 6.90 589504 2027984 388 00:50:00 5208800 7411672 355984 4.38 85996 2277608 655328 7.14 595928 2039716 272 01:00:00 5178468 7406112 361388 4.44 86172 2302156 650840 7.09 599624 2064336 396 Average: 5468933 7442751 337893 4.15 72211 2073464 616972 6.72 559114 1833168 305 00:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 1.00 0.09 0.16 0.06 0.00 0.00 0.00 0.00 00:40:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:00 ens3 62.53 42.66 315.83 11.51 0.00 0.00 0.00 0.00 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 35.53 29.28 7.55 3.82 0.00 0.00 0.00 0.00 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 40.64 39.73 9.82 5.97 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 34.92 27.94 83.34 5.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19450) 05/24/26 _x86_64_ (2 CPU) 00:15:39 LINUX RESTART (2 CPU) 00:20:00 CPU %user %nice %system %iowait %steal %idle 00:30:00 all 0.29 0.00 0.18 0.02 0.04 99.47 00:30:00 0 0.33 0.00 0.16 0.01 0.04 99.46 00:30:00 1 0.26 0.00 0.19 0.02 0.05 99.48 00:40:00 all 11.80 0.00 1.70 0.65 0.06 85.79 00:40:00 0 11.07 0.00 1.58 0.80 0.06 86.48 00:40:00 1 12.52 0.00 1.82 0.50 0.06 85.10 00:50:00 all 5.01 0.00 0.45 0.04 0.09 94.41 00:50:00 0 4.69 0.00 0.43 0.06 0.09 94.73 00:50:00 1 5.33 0.00 0.47 0.01 0.10 94.09 01:00:00 all 8.06 0.00 0.62 0.01 0.10 91.21 01:00:00 0 4.44 0.00 0.51 0.02 0.09 94.95 01:00:00 1 11.73 0.00 0.72 0.01 0.11 87.43 Average: all 6.29 0.00 0.74 0.18 0.07 92.72 Average: 0 5.13 0.00 0.67 0.22 0.07 93.90 Average: 1 7.45 0.00 0.80 0.14 0.08 91.53