---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37638 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 738 5216 4 2279 7203 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:0b:24:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84121sec preferred_lft 84121sec inet6 fe80::f816:3eff:fe0b:24b5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37638) 07/22/26 _x86_64_ (2 CPU) 00:39:02 LINUX RESTART (2 CPU) 00:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 19.35 1.53 15.74 2.07 129.08 3092.14 736.00 01:00:05 1.94 0.26 1.64 0.04 30.82 70.66 1.48 01:10:05 1.28 0.01 1.25 0.02 1.05 21.76 1.25 Average: 7.42 0.59 6.13 0.70 53.04 1044.15 242.04 00:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5237060 7424948 341900 4.20 86248 2261520 634864 6.91 574044 2032716 180 01:00:05 5026900 7241832 524632 6.45 86600 2288140 835116 9.10 731056 2050924 2304 01:10:05 5186004 7401712 364788 4.49 86720 2288796 635156 6.92 583520 2051384 224 Average: 5149988 7356164 410440 5.05 86523 2279485 701712 7.64 629540 2045008 903 00:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.22 1.22 0.07 0.07 0.00 0.00 0.00 0.00 00:50:01 ens3 43.31 29.17 194.78 6.61 0.00 0.00 0.00 0.00 01:00:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.91 0.39 3.26 0.06 0.00 0.00 0.00 0.00 01:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 0.57 0.17 0.34 0.05 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 14.69 9.74 65.02 2.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37638) 07/22/26 _x86_64_ (2 CPU) 00:39:02 LINUX RESTART (2 CPU) 00:40:14 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 9.30 0.00 1.35 0.31 0.06 88.98 00:50:01 0 12.37 0.00 1.55 0.38 0.08 85.62 00:50:01 1 6.22 0.00 1.14 0.24 0.04 92.35 01:00:05 all 0.53 0.00 0.25 0.02 0.06 99.14 01:00:05 0 0.53 0.00 0.31 0.02 0.09 99.06 01:00:05 1 0.53 0.00 0.19 0.02 0.03 99.23 01:10:05 all 0.38 0.00 0.13 0.01 0.07 99.42 01:10:05 0 0.35 0.00 0.14 0.01 0.07 99.42 01:10:05 1 0.41 0.00 0.11 0.01 0.06 99.41 Average: all 3.35 0.00 0.57 0.11 0.06 95.91 Average: 0 4.35 0.00 0.66 0.14 0.08 94.78 Average: 1 2.35 0.00 0.48 0.09 0.05 97.04