---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23898 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 776 5111 4 2355 7165 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:c5:a3:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.173/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8685sec preferred_lft 8685sec inet6 fe80::f816:3eff:fec5:a339/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23898) 06/06/26 _x86_64_ (2 CPU) 00:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.74 0.02 1.70 0.02 0.82 20.55 436.50 00:20:01 1.70 0.11 1.56 0.03 3.05 22.57 858.48 00:30:05 1.57 0.00 1.55 0.02 0.00 17.52 628.93 00:40:01 24.18 3.01 18.85 2.31 226.95 3475.56 665.80 Average: 7.27 0.78 5.90 0.59 57.44 880.04 647.74 00:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6102916 7498804 309668 3.81 54128 1537920 553868 6.03 475680 1308820 240 00:20:01 6127572 7485404 323028 3.97 54256 1499672 551584 6.01 474268 1270484 272 00:30:05 6126144 7484472 323928 3.98 54384 1500036 551616 6.01 474460 1270972 264 00:40:01 5107792 7386636 369804 4.55 104936 2325536 649748 7.08 604328 2101780 240 Average: 5866106 7463829 331607 4.08 66926 1715791 576704 6.28 507184 1488014 254 00:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.31 0.09 0.10 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 0.26 0.08 0.07 0.04 0.00 0.00 0.00 0.00 00:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:05 ens3 0.53 0.11 0.17 0.09 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 61.85 44.72 318.80 11.98 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 15.67 11.20 79.41 3.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23898) 06/06/26 _x86_64_ (2 CPU) 00:00:05 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.26 0.00 0.11 0.01 0.02 99.60 00:10:01 0 0.10 0.00 0.12 0.01 0.03 99.74 00:10:01 1 0.42 0.00 0.10 0.00 0.02 99.46 00:20:01 all 0.69 0.00 0.22 0.01 0.03 99.06 00:20:01 0 0.76 0.00 0.17 0.02 0.02 99.03 00:20:01 1 0.61 0.00 0.26 0.01 0.03 99.08 00:30:05 all 0.26 0.00 0.16 0.01 0.02 99.55 00:30:05 0 0.43 0.00 0.14 0.00 0.02 99.41 00:30:05 1 0.09 0.00 0.17 0.01 0.03 99.70 00:40:01 all 11.98 0.00 1.70 0.54 0.04 85.73 00:40:01 0 14.51 0.00 1.88 0.73 0.05 82.84 00:40:01 1 9.45 0.00 1.53 0.36 0.04 88.62 Average: all 3.28 0.00 0.54 0.14 0.03 96.00 Average: 0 3.93 0.00 0.58 0.19 0.03 95.28 Average: 1 2.63 0.00 0.51 0.10 0.03 96.73