---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21105 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 804 4958 4 2479 7137 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:19:be:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.210/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84368sec preferred_lft 84368sec inet6 fe80::f816:3eff:fe19:beaa/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-21105) 05/29/26 _x86_64_ (2 CPU) 06:58:19 LINUX RESTART (2 CPU) 07:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:10:07 16.80 1.77 13.25 1.77 128.78 2630.36 590.38 07:20:08 1.85 0.26 1.58 0.01 31.00 94.50 0.53 07:30:01 1.59 0.01 1.57 0.02 1.06 31.39 0.28 Average: 6.80 0.69 5.51 0.61 54.06 927.71 199.09 07:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:07 5233632 7401272 366840 4.51 86176 2242804 610348 6.65 588784 2014524 452 07:20:08 5153052 7352784 414772 5.10 86476 2274464 814976 8.88 603480 2037752 268 07:30:01 5153548 7357476 410224 5.04 86628 2278452 611176 6.66 598640 2041604 156 Average: 5180077 7370511 397279 4.89 86427 2265240 678833 7.39 596968 2031293 292 07:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:10:07 lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 07:10:07 ens3 15.76 10.33 139.90 2.39 0.00 0.00 0.00 0.00 07:20:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 07:20:08 ens3 1.95 1.11 3.49 0.31 0.00 0.00 0.00 0.00 07:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:30:01 ens3 1.51 0.59 3.19 0.27 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 6.46 4.04 49.33 1.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21105) 05/29/26 _x86_64_ (2 CPU) 06:58:19 LINUX RESTART (2 CPU) 07:00:00 CPU %user %nice %system %iowait %steal %idle 07:10:07 all 8.77 0.00 1.13 0.51 0.05 89.54 07:10:07 0 6.89 0.00 0.98 0.54 0.05 91.55 07:10:07 1 10.66 0.00 1.28 0.48 0.05 87.53 07:20:08 all 1.77 0.00 0.20 0.03 0.06 97.94 07:20:08 0 2.11 0.00 0.17 0.02 0.07 97.63 07:20:08 1 1.44 0.00 0.22 0.05 0.05 98.25 07:30:01 all 1.15 0.00 0.24 0.01 0.06 98.54 07:30:01 0 1.00 0.00 0.21 0.01 0.04 98.74 07:30:01 1 1.31 0.00 0.28 0.01 0.07 98.33 Average: all 3.93 0.00 0.53 0.19 0.05 95.31 Average: 0 3.35 0.00 0.46 0.19 0.05 95.95 Average: 1 4.50 0.00 0.60 0.18 0.06 94.66