---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10490 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 745 5119 4 2367 7196 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:bf:75:28 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84344sec preferred_lft 84344sec inet6 fe80::f816:3eff:febf:7528/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10490) 05/03/26 _x86_64_ (2 CPU) 00:16:39 LINUX RESTART (2 CPU) 00:20:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 2.13 0.28 1.82 0.02 32.80 78.09 444.28 00:40:13 22.72 2.98 17.53 2.21 224.49 3112.17 916.45 00:50:13 5.03 0.10 3.89 1.04 7.16 784.14 1792.60 Average: 10.09 1.14 7.84 1.10 89.32 1343.36 1053.97 00:20:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 6232604 7510908 309360 3.80 30796 1452784 729824 7.95 457964 1204180 124 00:40:13 5347116 7466892 304768 3.75 84364 2199248 559148 6.09 546908 1958344 2260 00:50:13 5265212 7387588 389572 4.79 86680 2206748 619268 6.75 607928 1966500 24840 Average: 5614977 7455129 334567 4.11 67280 1952927 636080 6.93 537600 1709675 9075 00:20:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 2.45 0.29 3.35 0.08 0.00 0.00 0.00 0.00 00:40:13 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:13 ens3 59.13 41.39 296.54 11.04 0.00 0.00 0.00 0.00 00:50:13 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:50:13 ens3 36.51 30.91 123.36 17.49 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 33.04 24.45 142.88 9.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10490) 05/03/26 _x86_64_ (2 CPU) 00:16:39 LINUX RESTART (2 CPU) 00:20:12 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.45 0.00 0.20 0.04 0.03 99.27 00:30:01 0 0.37 0.00 0.23 0.05 0.04 99.31 00:30:01 1 0.53 0.00 0.17 0.03 0.03 99.24 00:40:13 all 10.58 0.00 1.66 4.58 0.05 83.13 00:40:13 0 11.81 0.00 1.74 1.73 0.05 84.67 00:40:13 1 9.35 0.00 1.57 7.44 0.05 81.59 00:50:13 all 9.96 0.00 0.64 0.23 0.06 89.10 00:50:13 0 7.61 0.00 0.54 0.15 0.06 91.63 00:50:13 1 12.32 0.00 0.74 0.30 0.07 86.57 Average: all 7.06 0.00 0.84 1.65 0.05 90.41 Average: 0 6.67 0.00 0.85 0.66 0.05 91.78 Average: 1 7.45 0.00 0.83 2.64 0.05 89.03