---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16939 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 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 757 5279 4 2193 7184 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:8d:49:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84230sec preferred_lft 84230sec inet6 fe80::f816:3eff:fe8d:494b/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-16939) 05/20/26 _x86_64_ (2 CPU) 00:29:25 LINUX RESTART (2 CPU) 00:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 23.84 3.05 18.46 2.32 249.27 3326.38 1943.28 00:50:13 1.34 0.01 1.31 0.02 0.60 28.01 1.07 01:00:14 1.45 0.00 1.42 0.03 0.00 25.17 1.66 Average: 8.82 1.01 7.02 0.78 82.63 1117.72 643.49 00:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 5299284 7417096 354996 4.37 84648 2197356 845308 9.21 591528 1958080 296 00:50:13 5285760 7407412 364316 4.48 84832 2200992 865976 9.43 604108 1961784 212 01:00:14 5274872 7398948 372680 4.58 85040 2203196 872024 9.50 610104 1964184 196 Average: 5286639 7407819 363997 4.48 84840 2200515 861103 9.38 601913 1961349 235 00:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 1.85 1.85 0.14 0.14 0.00 0.00 0.00 0.00 00:40:01 ens3 35.45 26.23 284.51 6.16 0.00 0.00 0.00 0.00 00:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:13 ens3 10.12 8.74 2.00 2.52 0.00 0.00 0.00 0.00 01:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:14 ens3 2.38 2.27 0.40 1.19 0.00 0.00 0.00 0.00 Average: lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 15.93 12.38 94.89 3.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16939) 05/20/26 _x86_64_ (2 CPU) 00:29:25 LINUX RESTART (2 CPU) 00:30:03 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 11.01 0.00 1.70 0.54 0.05 86.70 00:40:01 0 13.26 0.00 1.91 0.56 0.06 84.22 00:40:01 1 8.76 0.00 1.49 0.51 0.05 89.19 00:50:13 all 1.52 0.00 0.17 0.01 0.06 98.24 00:50:13 0 2.07 0.00 0.18 0.01 0.07 97.68 00:50:13 1 0.97 0.00 0.16 0.01 0.06 98.80 01:00:14 all 1.03 0.00 0.38 0.01 0.07 98.52 01:00:14 0 1.23 0.00 0.46 0.01 0.08 98.22 01:00:14 1 0.82 0.00 0.29 0.01 0.07 98.81 Average: all 4.49 0.00 0.74 0.18 0.06 94.52 Average: 0 5.49 0.00 0.84 0.19 0.07 93.41 Average: 1 3.49 0.00 0.65 0.17 0.06 95.63