---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7878 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: 5599.86 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 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 788 5149 4 2293 7153 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:d1:75:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.106/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84557sec preferred_lft 84557sec inet6 fe80::f816:3eff:fed1:75c0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7878) 04/25/26 _x86_64_ (2 CPU) 01:52:03 LINUX RESTART (2 CPU) 02:00:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 2.15 0.34 1.75 0.05 42.28 173.01 2.40 02:20:32 1.46 0.00 1.40 0.05 0.01 92.76 2.22 Average: 1.79 0.16 1.57 0.05 20.05 130.80 2.30 02:00:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 5224804 7364828 406748 5.00 84392 2219828 735268 8.01 639800 1977760 336 02:20:32 5204908 7369624 401628 4.94 84628 2243944 785712 8.56 640936 2002112 280 Average: 5214856 7367226 404188 4.97 84510 2231886 760490 8.28 640368 1989936 308 02:00:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 41.13 40.10 20.85 5.07 0.00 0.00 0.00 0.00 02:20:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:32 ens3 56.75 53.88 26.33 4.73 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 49.34 47.35 23.73 4.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7878) 04/25/26 _x86_64_ (2 CPU) 01:52:03 LINUX RESTART (2 CPU) 02:00:31 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 8.02 0.00 0.91 0.02 0.08 90.97 02:10:01 0 8.13 0.00 0.93 0.02 0.09 90.84 02:10:01 1 7.91 0.00 0.89 0.02 0.08 91.11 02:20:32 all 5.60 0.00 0.78 0.00 0.08 93.54 02:20:32 0 6.47 0.00 0.76 0.01 0.08 92.68 02:20:32 1 4.73 0.00 0.80 0.00 0.08 94.39 Average: all 6.74 0.00 0.84 0.01 0.08 92.32 Average: 0 7.26 0.00 0.84 0.01 0.08 91.81 Average: 1 6.23 0.00 0.84 0.01 0.08 92.84