---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33027 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 762 5197 4 2274 7179 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:14:dc:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84370sec preferred_lft 84370sec inet6 fe80::f816:3eff:fe14:dc4b/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-33027) 07/05/26 _x86_64_ (2 CPU) 00:17:08 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:13 16.20 2.02 12.87 1.31 149.94 2407.66 456.20 00:40:41 9.36 1.33 7.08 0.95 107.73 1044.20 370.65 00:50:01 2.99 0.04 2.25 0.69 1.16 111.08 1647.58 Average: 9.70 1.16 7.54 0.99 88.91 1217.16 797.04 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:13 5439272 7376984 402936 4.95 71924 2036968 845024 9.20 600860 1813932 14756 00:40:41 5165708 7370088 396764 4.88 86856 2277576 659264 7.18 613284 2040588 128 00:50:01 5339112 7361120 414780 5.10 88220 2101888 673400 7.33 651608 1866108 28064 Average: 5314697 7369397 404827 4.98 82333 2138811 725896 7.91 621917 1906876 14316 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:13 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 00:30:13 ens3 41.65 25.70 275.73 6.37 0.00 0.00 0.00 0.00 00:40:41 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 00:40:41 ens3 32.09 24.98 60.98 5.81 0.00 0.00 0.00 0.00 00:50:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 18.30 15.91 111.26 4.34 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 31.04 22.40 149.60 5.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33027) 07/05/26 _x86_64_ (2 CPU) 00:17:08 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:13 all 7.51 0.00 1.10 0.41 0.04 90.94 00:30:13 0 7.07 0.00 0.99 0.38 0.04 91.51 00:30:13 1 7.95 0.00 1.22 0.44 0.04 90.36 00:40:41 all 4.73 0.00 0.84 0.17 0.06 94.20 00:40:41 0 7.18 0.00 1.05 0.25 0.06 91.46 00:40:41 1 2.29 0.00 0.62 0.09 0.06 96.95 00:50:01 all 2.57 0.00 0.36 0.05 0.06 96.96 00:50:01 0 3.47 0.00 0.40 0.04 0.05 96.04 00:50:01 1 1.66 0.00 0.33 0.07 0.06 97.88 Average: all 5.00 0.00 0.78 0.22 0.05 93.95 Average: 0 5.99 0.00 0.83 0.23 0.05 92.90 Average: 1 4.02 0.00 0.73 0.20 0.05 95.00