---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16169 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 8.0G 30G 22% / 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 850 5056 4 2325 7091 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:40:01:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.94/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84141sec preferred_lft 84141sec inet6 fe80::f816:3eff:fe40:1dd/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-16169) 05/18/26 _x86_64_ (2 CPU) 03:07:03 LINUX RESTART (2 CPU) 03:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:06 9.08 1.21 6.87 1.00 103.52 1166.74 308.93 03:30:01 1.53 0.01 1.50 0.02 0.05 54.38 0.52 03:40:01 1.26 0.00 1.26 0.00 0.00 96.53 0.08 Average: 3.98 0.41 3.22 0.35 34.82 442.33 104.05 03:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:06 5264452 7386152 385484 4.74 84080 2201920 730256 7.95 614060 1971452 876 03:30:01 5246360 7378568 392772 4.83 84252 2212196 680724 7.41 613880 1981916 396 03:40:01 5226944 7384172 386836 4.76 84408 2236724 689536 7.51 614464 2006600 284 Average: 5245919 7382964 388364 4.78 84247 2216947 700172 7.63 614135 1986656 519 03:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:06 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:20:06 ens3 72.66 54.48 58.56 11.77 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 19.47 18.52 22.21 1.84 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 55.75 51.89 25.92 5.34 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 49.43 41.72 35.67 6.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16169) 05/18/26 _x86_64_ (2 CPU) 03:07:03 LINUX RESTART (2 CPU) 03:10:01 CPU %user %nice %system %iowait %steal %idle 03:20:06 all 8.81 0.00 1.04 0.17 0.07 89.92 03:20:06 0 9.63 0.00 1.08 0.11 0.06 89.11 03:20:06 1 7.98 0.00 1.00 0.23 0.07 90.73 03:30:01 all 3.14 0.00 0.61 0.01 0.08 96.16 03:30:01 0 1.87 0.00 0.53 0.01 0.06 97.53 03:30:01 1 4.42 0.00 0.69 0.01 0.10 94.79 03:40:01 all 5.70 0.00 0.66 0.01 0.09 93.54 03:40:01 0 4.89 0.00 0.66 0.01 0.08 94.35 03:40:01 1 6.51 0.00 0.66 0.01 0.09 92.74 Average: all 5.90 0.00 0.77 0.06 0.08 93.19 Average: 0 5.49 0.00 0.76 0.04 0.07 93.64 Average: 1 6.31 0.00 0.78 0.08 0.08 92.74