---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31288 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 742 5141 4 2350 7199 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:14:2e:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.107/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82821sec preferred_lft 82821sec inet6 fe80::f816:3eff:fe14:2e80/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31288) 06/28/26 _x86_64_ (2 CPU) 01:40:23 LINUX RESTART (2 CPU) 01:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 15.36 0.01 1.56 13.79 0.20 25.10 108752.82 02:10:08 1.53 0.00 1.53 0.00 0.00 129.36 0.03 02:20:14 1.41 0.00 1.41 0.00 0.01 29.62 385.20 02:30:01 1.62 0.02 1.58 0.03 0.61 32.75 0.90 Average: 4.93 0.01 1.52 3.40 0.20 54.62 26881.60 01:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 5211968 7389936 377132 4.64 86032 2252408 648900 7.07 584776 2023672 128 02:10:08 5133140 7345672 421356 5.18 86196 2286804 690556 7.52 625936 2058216 208 02:20:14 5154344 7370948 396048 4.87 86328 2290676 662488 7.22 593288 2062236 160 02:30:01 5114800 7335844 431012 5.30 86508 2294864 692224 7.54 627252 2066484 272 Average: 5153563 7360600 406387 5.00 86266 2281188 673542 7.34 607813 2052652 192 01:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 13.52 12.76 142.83 1.14 0.00 0.00 0.00 0.00 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 7.34 6.35 68.34 0.72 0.00 0.00 0.00 0.00 02:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:14 ens3 14.58 14.02 148.01 1.54 0.00 0.00 0.00 0.00 02:30:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 20.61 20.03 229.80 1.93 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 13.96 13.24 146.58 1.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31288) 06/28/26 _x86_64_ (2 CPU) 01:40:23 LINUX RESTART (2 CPU) 01:50:14 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.82 0.00 0.31 0.03 0.08 98.75 02:00:01 0 0.71 0.00 0.28 0.02 0.07 98.93 02:00:01 1 0.93 0.00 0.34 0.05 0.10 98.58 02:10:08 all 6.11 0.00 0.51 0.01 0.09 93.27 02:10:08 0 5.64 0.00 0.44 0.01 0.09 93.82 02:10:08 1 6.57 0.00 0.59 0.02 0.10 92.72 02:20:14 all 1.46 0.00 0.24 0.11 0.08 98.10 02:20:14 0 1.63 0.00 0.28 0.19 0.09 97.80 02:20:14 1 1.30 0.00 0.19 0.04 0.07 98.40 02:30:01 all 1.69 0.00 0.42 0.01 0.07 97.81 02:30:01 0 0.99 0.00 0.41 0.02 0.08 98.50 02:30:01 1 2.39 0.00 0.43 0.00 0.07 97.11 Average: all 2.52 0.00 0.37 0.04 0.08 96.98 Average: 0 2.25 0.00 0.35 0.06 0.08 97.26 Average: 1 2.79 0.00 0.39 0.03 0.08 96.71