---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1074 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 761 5203 4 2269 7180 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:e5:96:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84013sec preferred_lft 84013sec inet6 fe80::f816:3eff:fee5:9684/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1074) 08/01/26 _x86_64_ (2 CPU) 03:05:44 LINUX RESTART (2 CPU) 03:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:05 11.77 1.25 9.08 1.44 109.77 1311.64 482.07 03:30:01 1.61 0.01 1.57 0.03 0.05 20.15 1.44 03:40:05 1.69 0.25 1.41 0.03 30.74 75.22 1.48 Average: 5.02 0.50 4.02 0.50 46.93 469.15 161.66 03:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:05 5228164 7406168 361000 4.44 86336 2251832 636180 6.93 582296 2023548 164 03:30:01 5209288 7387840 379020 4.66 86520 2252192 636316 6.93 582312 2024092 124 03:40:05 5153728 7359316 407256 5.01 86836 2278840 837056 9.12 596848 2042292 248 Average: 5197060 7384441 382425 4.70 86564 2260955 703184 7.66 587152 2029977 179 03:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:05 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 03:20:05 ens3 29.28 19.30 39.63 5.21 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.75 0.23 0.14 0.06 0.00 0.00 0.00 0.00 03:40:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:05 ens3 1.14 0.64 3.33 0.10 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.39 6.73 14.37 1.79 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1074) 08/01/26 _x86_64_ (2 CPU) 03:05:44 LINUX RESTART (2 CPU) 03:10:05 CPU %user %nice %system %iowait %steal %idle 03:20:05 all 6.37 0.00 1.00 1.05 0.05 91.52 03:20:05 0 5.75 0.00 1.05 1.35 0.06 91.80 03:20:05 1 7.00 0.00 0.95 0.75 0.05 91.25 03:30:01 all 0.48 0.00 0.26 0.03 0.09 99.14 03:30:01 0 0.43 0.00 0.29 0.01 0.12 99.15 03:30:01 1 0.54 0.00 0.24 0.06 0.05 99.12 03:40:05 all 0.52 0.00 0.17 0.21 0.04 99.05 03:40:05 0 0.51 0.00 0.24 0.12 0.05 99.08 03:40:05 1 0.54 0.00 0.11 0.31 0.03 99.02 Average: all 2.46 0.00 0.48 0.43 0.06 96.57 Average: 0 2.23 0.00 0.53 0.49 0.08 96.68 Average: 1 2.69 0.00 0.43 0.37 0.04 96.46