---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3744 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 785 5189 4 2255 7156 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:3c:37:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84379sec preferred_lft 84379sec inet6 fe80::f816:3eff:fe3c:374f/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-3744) 04/17/26 _x86_64_ (2 CPU) 01:47:54 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 24.48 1.29 8.41 14.78 112.21 1327.20 107256.25 02:10:00 1.28 0.01 1.26 0.01 0.05 98.45 0.36 02:20:00 1.31 0.04 1.27 0.00 1.21 50.21 0.00 Average: 9.02 0.45 3.65 4.93 37.83 491.96 35752.40 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 5313564 7410348 361616 4.45 84004 2177320 702184 7.65 587596 1946608 452 02:10:00 5285784 7407632 364004 4.48 84160 2202104 684020 7.45 593448 1971556 168 02:20:00 5487976 7439500 340848 4.19 84368 2039248 622100 6.78 566832 1808696 7368 Average: 5362441 7419160 355489 4.37 84177 2139557 669435 7.29 582625 1908953 2663 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:00:00 ens3 92.47 72.05 58.80 13.83 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 51.78 50.10 24.82 5.24 0.00 0.00 0.00 0.00 02:20:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 34.62 28.45 18.90 17.39 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 59.62 50.20 34.18 12.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3744) 04/17/26 _x86_64_ (2 CPU) 01:47:54 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 10.40 0.00 1.64 0.22 0.06 87.68 02:00:00 0 13.59 0.00 1.93 0.33 0.06 84.09 02:00:00 1 7.22 0.00 1.35 0.11 0.06 91.26 02:10:00 all 6.19 0.00 0.78 0.01 0.08 92.94 02:10:00 0 8.11 0.00 0.81 0.01 0.08 90.98 02:10:00 1 4.28 0.00 0.75 0.01 0.08 94.89 02:20:00 all 6.28 0.00 0.63 0.01 0.07 93.01 02:20:00 0 6.40 0.00 0.69 0.01 0.07 92.83 02:20:00 1 6.16 0.00 0.57 0.01 0.07 93.19 Average: all 7.63 0.00 1.02 0.08 0.07 91.21 Average: 0 9.37 0.00 1.14 0.12 0.07 89.30 Average: 1 5.89 0.00 0.89 0.04 0.07 93.11