---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2908 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 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 760 5130 4 2348 7181 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:41:ea:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.151/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8519sec preferred_lft 8519sec inet6 fe80::f816:3eff:fe41:ea07/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2908) 04/16/26 _x86_64_ (2 CPU) 00:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.81 0.02 1.78 0.02 0.82 21.55 438.29 00:20:09 1.77 0.11 1.63 0.04 3.01 23.24 747.62 00:30:09 22.45 3.16 17.08 2.21 229.70 3114.26 685.91 Average: 8.68 1.10 6.83 0.75 77.86 1053.06 625.31 00:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6114976 7514964 293956 3.61 54256 1541672 582640 6.35 474520 1309244 280 00:20:09 6145312 7506984 301892 3.71 54408 1503108 580452 6.32 473456 1270648 424 00:30:09 5251144 7441268 319920 3.93 104168 2241144 615792 6.71 567904 2013000 248 Average: 5837144 7487739 305256 3.75 70944 1761975 592961 6.46 505293 1530964 317 00:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.21 0.05 0.07 0.03 0.00 0.00 0.00 0.00 00:20:09 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:09 ens3 0.21 0.07 0.07 0.03 0.00 0.00 0.00 0.00 00:30:09 lo 1.31 1.31 0.12 0.12 0.00 0.00 0.00 0.00 00:30:09 ens3 57.64 41.52 298.39 11.85 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 19.35 13.88 99.51 3.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2908) 04/16/26 _x86_64_ (2 CPU) 00:00:09 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.27 0.00 0.11 0.01 0.02 99.60 00:10:01 0 0.40 0.00 0.09 0.01 0.01 99.48 00:10:01 1 0.14 0.00 0.12 0.01 0.02 99.71 00:20:09 all 0.68 0.00 0.22 0.01 0.02 99.07 00:20:09 0 0.40 0.00 0.24 0.01 0.02 99.33 00:20:09 1 0.96 0.00 0.20 0.01 0.02 98.82 00:30:09 all 10.81 0.00 1.72 0.51 0.04 86.92 00:30:09 0 11.49 0.00 1.72 0.37 0.04 86.37 00:30:09 1 10.14 0.00 1.71 0.64 0.04 87.48 Average: all 3.92 0.00 0.68 0.18 0.03 95.20 Average: 0 4.10 0.00 0.69 0.13 0.03 95.06 Average: 1 3.74 0.00 0.67 0.22 0.03 95.34