---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34971 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 8.1G 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 791 5062 4 2380 7150 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:f1:8d:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83341sec preferred_lft 83341sec inet6 fe80::f816:3eff:fef1:8d12/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34971) 07/12/26 _x86_64_ (2 CPU) 00:16:34 LINUX RESTART (2 CPU) 00:20:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 1.44 0.03 1.41 0.01 1.28 18.01 450.93 00:40:20 22.12 2.76 17.12 2.23 218.06 3350.92 581.53 00:50:20 1.97 0.26 1.68 0.02 31.65 159.45 1.07 01:00:01 1.49 0.00 1.48 0.01 0.00 89.25 0.37 Average: 6.97 0.79 5.59 0.59 65.07 938.85 261.68 00:20:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 6298232 7545184 275448 3.39 30592 1422024 522500 5.69 443792 1183276 156 00:40:20 5269000 7444852 322864 3.97 85996 2250428 584480 6.37 555312 2021524 180 00:50:20 5129396 7357640 409644 5.04 86316 2302344 924596 10.07 626440 2064980 1588 01:00:01 5127188 7375580 391320 4.81 86456 2322020 903156 9.84 629740 2084812 316 Average: 5455954 7430814 349819 4.30 72340 2074204 733683 7.99 563821 1838648 560 00:20:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 2.00 0.12 0.31 0.06 0.00 0.00 0.00 0.00 00:40:20 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 00:40:20 ens3 98.81 69.27 316.44 16.43 0.00 0.00 0.00 0.00 00:50:20 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:20 ens3 44.83 40.96 21.67 5.09 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 48.56 47.17 22.63 4.30 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 49.36 39.89 93.45 6.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34971) 07/12/26 _x86_64_ (2 CPU) 00:16:34 LINUX RESTART (2 CPU) 00:20:20 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.26 0.00 0.18 0.01 0.03 99.51 00:30:01 0 0.18 0.00 0.17 0.01 0.03 99.60 00:30:01 1 0.34 0.00 0.20 0.01 0.03 99.42 00:40:20 all 11.69 0.00 1.74 0.50 0.05 86.01 00:40:20 0 17.09 0.00 2.29 0.67 0.05 79.89 00:40:20 1 6.29 0.00 1.20 0.34 0.05 92.13 00:50:20 all 8.10 0.00 0.99 0.02 0.07 90.81 00:50:20 0 11.29 0.00 1.35 0.02 0.08 87.26 00:50:20 1 4.91 0.00 0.63 0.02 0.07 94.37 01:00:01 all 5.08 0.00 0.66 0.01 0.08 94.18 01:00:01 0 3.13 0.00 0.49 0.01 0.07 96.29 01:00:01 1 7.02 0.00 0.83 0.00 0.09 92.06 Average: all 6.39 0.00 0.91 0.14 0.06 92.51 Average: 0 8.10 0.00 1.10 0.19 0.06 90.55 Average: 1 4.67 0.00 0.72 0.10 0.06 94.46