---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16679 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 827 5094 4 2309 7114 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:a3:e3:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83486sec preferred_lft 83486sec inet6 fe80::f816:3eff:fea3:e3a5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16679) 05/19/26 _x86_64_ (2 CPU) 02:57:48 LINUX RESTART (2 CPU) 03:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:01 10.33 1.29 7.77 1.28 112.24 1186.89 480.78 03:20:21 1.36 0.01 1.34 0.02 0.06 105.49 1.28 03:30:11 1.61 0.01 1.57 0.03 0.20 75.67 1.48 03:40:01 1.79 0.26 1.50 0.03 31.54 87.49 1.28 Average: 3.75 0.39 3.03 0.34 35.65 361.66 120.14 03:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:01 5299028 7403432 368860 4.54 84036 2184728 687568 7.49 597848 1953740 940 03:20:21 5234560 7368672 403244 4.96 84212 2214184 721984 7.86 631524 1983324 2460 03:30:11 5197808 7347008 424728 5.22 84412 2228780 698124 7.60 632664 1998212 148 03:40:01 5146228 7325808 445424 5.48 84724 2258472 892944 9.73 647072 2019460 188 Average: 5219406 7361230 410564 5.05 84346 2221541 750155 8.17 627277 1988684 934 03:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:01 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 03:10:01 ens3 93.11 74.12 56.23 12.63 0.00 0.00 0.00 0.00 03:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:21 ens3 13.75 13.81 15.85 1.14 0.00 0.00 0.00 0.00 03:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:11 ens3 13.33 13.16 7.59 1.16 0.00 0.00 0.00 0.00 03:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 25.07 24.88 8.22 1.75 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 36.10 31.32 21.94 4.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16679) 05/19/26 _x86_64_ (2 CPU) 02:57:48 LINUX RESTART (2 CPU) 03:00:09 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 8.28 0.00 1.32 0.15 0.06 90.19 03:10:01 0 9.12 0.00 1.47 0.15 0.06 89.20 03:10:01 1 7.43 0.00 1.16 0.15 0.07 91.19 03:20:21 all 4.17 0.00 0.55 0.01 0.08 95.19 03:20:21 0 4.46 0.00 0.53 0.00 0.09 94.91 03:20:21 1 3.88 0.00 0.57 0.01 0.08 95.46 03:30:11 all 3.40 0.00 0.52 0.01 0.08 95.99 03:30:11 0 4.51 0.00 0.66 0.01 0.08 94.74 03:30:11 1 2.30 0.00 0.39 0.01 0.08 97.23 03:40:01 all 1.66 0.00 0.36 0.02 0.09 97.87 03:40:01 0 1.17 0.00 0.29 0.02 0.07 98.45 03:40:01 1 2.16 0.00 0.43 0.02 0.10 97.29 Average: all 4.38 0.00 0.69 0.05 0.08 94.81 Average: 0 4.82 0.00 0.73 0.05 0.08 94.33 Average: 1 3.94 0.00 0.64 0.05 0.08 95.29