---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12405 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 756 5282 4 2192 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:d2:6b:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84551sec preferred_lft 84551sec inet6 fe80::f816:3eff:fed2:6b11/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12405) 05/10/26 _x86_64_ (2 CPU) 00:16:27 LINUX RESTART (2 CPU) 00:20:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 15.00 2.11 11.84 1.05 155.49 2335.05 572.34 00:40:20 10.51 1.36 7.92 1.22 110.49 1084.85 684.34 Average: 12.69 1.72 9.82 1.14 132.28 1690.31 630.10 00:20:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 5518932 7365368 419872 5.16 68548 1953540 825228 8.99 598548 1727768 124 00:40:20 5344180 7459664 311568 3.83 85112 2194292 743140 8.09 552064 1955892 132 Average: 5431556 7412516 365720 4.50 76830 2073916 784184 8.54 575306 1841830 128 00:20:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.19 1.19 0.07 0.07 0.00 0.00 0.00 0.00 00:30:01 ens3 42.63 23.78 275.38 6.27 0.00 0.00 0.00 0.00 00:40:20 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 00:40:20 ens3 64.54 45.39 45.41 11.07 0.00 0.00 0.00 0.00 Average: lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 53.93 34.92 156.78 8.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12405) 05/10/26 _x86_64_ (2 CPU) 00:16:27 LINUX RESTART (2 CPU) 00:20:20 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 5.83 0.00 1.01 0.62 0.04 92.50 00:30:01 0 4.30 0.00 0.89 0.46 0.03 94.32 00:30:01 1 7.37 0.00 1.12 0.78 0.04 90.68 00:40:20 all 5.55 0.00 0.91 0.27 0.03 93.23 00:40:20 0 8.08 0.00 1.12 0.46 0.04 90.30 00:40:20 1 3.02 0.00 0.70 0.09 0.03 96.16 Average: all 5.69 0.00 0.96 0.44 0.04 92.88 Average: 0 6.25 0.00 1.01 0.46 0.04 92.25 Average: 1 5.13 0.00 0.91 0.43 0.03 93.51