---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10503 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: 5599.94 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 7.8G 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 739 5387 4 2100 7202 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:26:1f:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84222sec preferred_lft 84222sec inet6 fe80::f816:3eff:fe26:1f71/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10503) 05/03/26 _x86_64_ (2 CPU) 00:16:41 LINUX RESTART (2 CPU) 00:20:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 1.54 0.03 1.49 0.02 2.37 18.73 450.59 00:40:21 12.68 1.72 10.02 0.95 114.71 1999.29 200.00 00:50:21 14.39 0.00 1.23 13.17 0.15 14.88 107483.61 Average: 9.66 0.60 4.34 4.72 40.30 699.25 36041.60 00:20:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 6277728 7550424 269536 3.31 30768 1447252 527760 5.75 446856 1200220 124 00:40:21 5541256 7388208 396940 4.88 68592 1953796 662440 7.22 606272 1727896 176 00:50:21 5540236 7387700 397408 4.89 68728 1954168 662636 7.22 606616 1728376 160 Average: 5786407 7442111 354628 4.36 56029 1785072 617612 6.73 553248 1552164 153 00:20:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 2.19 0.10 0.22 0.06 0.00 0.00 0.00 0.00 00:40:21 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 00:40:21 ens3 36.98 23.08 255.26 6.02 0.00 0.00 0.00 0.00 00:50:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:21 ens3 2.47 0.42 0.61 0.21 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 14.26 8.12 88.15 2.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10503) 05/03/26 _x86_64_ (2 CPU) 00:16:41 LINUX RESTART (2 CPU) 00:20:21 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.31 0.00 0.18 0.01 0.03 99.46 00:30:01 0 0.28 0.00 0.17 0.02 0.03 99.50 00:30:01 1 0.34 0.00 0.19 0.01 0.03 99.43 00:40:21 all 5.18 0.00 0.80 0.31 0.04 93.67 00:40:21 0 9.22 0.00 1.13 0.42 0.04 89.20 00:40:21 1 1.15 0.00 0.47 0.20 0.04 98.14 00:50:21 all 0.35 0.00 0.09 0.03 0.03 99.51 00:50:21 0 0.49 0.00 0.06 0.01 0.02 99.42 00:50:21 1 0.20 0.00 0.12 0.05 0.04 99.60 Average: all 2.00 0.00 0.36 0.12 0.03 97.49 Average: 0 3.42 0.00 0.46 0.15 0.03 95.93 Average: 1 0.57 0.00 0.26 0.09 0.04 99.04