---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12670 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: 5599.94 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 773 5116 4 2349 7168 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:b1:7b:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.242/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 9106sec preferred_lft 9106sec inet6 fe80::f816:3eff:feb1:7bdd/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-12670) 05/12/26 _x86_64_ (2 CPU) 00:00:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:20 1.61 0.01 1.58 0.01 0.81 19.32 0.19 00:20:01 1.70 0.11 1.56 0.03 3.15 22.61 142.44 00:30:22 22.94 3.05 17.73 2.17 221.88 3048.90 1668.67 Average: 8.98 1.09 7.13 0.76 77.66 1063.23 620.40 00:00:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:20 6114792 7510876 298036 3.66 54524 1537508 547464 5.96 473716 1309108 336 00:20:01 6153088 7511092 297760 3.66 54668 1499224 544632 5.93 472336 1270756 260 00:30:22 5252288 7447484 313556 3.86 104012 2246260 570524 6.21 559044 2021692 2396 Average: 5840056 7489817 303117 3.73 71068 1760997 554207 6.04 501699 1533852 997 00:00:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:20 ens3 0.28 0.08 0.09 0.04 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.14 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:22 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:30:22 ens3 61.17 42.85 292.14 11.09 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 21.19 14.79 100.61 3.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12670) 05/12/26 _x86_64_ (2 CPU) 00:00:19 CPU %user %nice %system %iowait %steal %idle 00:10:20 all 0.22 0.00 0.11 0.01 0.06 99.60 00:10:20 0 0.06 0.00 0.12 0.01 0.03 99.78 00:10:20 1 0.39 0.00 0.10 0.00 0.08 99.43 00:20:01 all 0.67 0.00 0.22 0.01 0.03 99.07 00:20:01 0 0.41 0.00 0.22 0.02 0.03 99.32 00:20:01 1 0.92 0.00 0.22 0.01 0.03 98.82 00:30:22 all 10.39 0.00 1.71 0.50 0.04 87.36 00:30:22 0 10.66 0.00 1.82 0.61 0.04 86.86 00:30:22 1 10.13 0.00 1.59 0.40 0.04 87.85 Average: all 3.86 0.00 0.70 0.18 0.04 95.22 Average: 0 3.82 0.00 0.74 0.22 0.04 95.19 Average: 1 3.91 0.00 0.65 0.14 0.05 95.25