---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21318 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 7.9G 30G 21% / 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 740 5246 4 2246 7201 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:c7:15:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84220sec preferred_lft 84220sec inet6 fe80::f816:3eff:fec7:1526/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21318) 05/30/26 _x86_64_ (2 CPU) 00:34:58 LINUX RESTART (2 CPU) 00:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:14 1.96 0.05 1.87 0.04 2.40 123.42 2.75 01:00:04 1.52 0.00 1.50 0.02 0.11 31.23 0.72 01:10:04 2.84 0.04 2.27 0.52 1.43 95.03 1243.61 Average: 2.11 0.03 1.88 0.19 1.32 83.74 415.71 00:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:14 5252868 7422412 345720 4.25 86412 2244192 630820 6.87 576756 2015228 284 01:00:04 5224504 7397968 370000 4.55 86552 2247964 652964 7.11 590476 2019140 432 01:10:04 5316124 7352976 424416 5.22 87764 2118528 667332 7.27 641260 1890660 58468 Average: 5264499 7391119 380045 4.67 86909 2203561 650372 7.08 602831 1975009 19728 00:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:14 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:14 ens3 5.93 4.80 1.20 1.37 0.00 0.00 0.00 0.00 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 8.47 7.41 1.71 2.06 0.00 0.00 0.00 0.00 01:10:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 9.51 8.81 9.30 6.31 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.95 6.99 4.07 3.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21318) 05/30/26 _x86_64_ (2 CPU) 00:34:58 LINUX RESTART (2 CPU) 00:40:04 CPU %user %nice %system %iowait %steal %idle 00:50:14 all 1.02 0.00 0.20 0.04 0.04 98.70 00:50:14 0 0.63 0.00 0.17 0.04 0.03 99.12 00:50:14 1 1.41 0.00 0.22 0.04 0.05 98.27 01:00:04 all 1.66 0.00 0.33 0.05 0.05 97.91 01:00:04 0 1.43 0.00 0.39 0.06 0.06 98.07 01:00:04 1 1.88 0.00 0.27 0.05 0.05 97.75 01:10:04 all 2.41 0.00 0.34 0.14 0.06 97.06 01:10:04 0 3.64 0.00 0.43 0.26 0.06 95.62 01:10:04 1 1.18 0.00 0.25 0.02 0.06 98.49 Average: all 1.69 0.00 0.29 0.08 0.05 97.89 Average: 0 1.90 0.00 0.33 0.12 0.05 97.61 Average: 1 1.49 0.00 0.25 0.04 0.05 98.18