---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30024 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 756 5130 4 2355 7184 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:26:02:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 52340sec preferred_lft 52340sec inet6 fe80::f816:3eff:fe26:2ae/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-30024) 06/25/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.98 0.02 1.94 0.02 0.81 22.96 0.39 00:20:01 1.84 0.11 1.70 0.03 3.05 23.74 553.37 00:30:02 1.74 0.00 1.73 0.01 0.00 19.10 0.23 00:40:01 24.11 2.99 18.85 2.27 225.97 3437.87 913.60 00:50:01 1.53 0.00 1.52 0.00 0.00 22.22 0.05 Average: 6.23 0.62 5.14 0.47 45.89 704.06 293.25 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6118156 7517664 291492 3.58 54100 1541324 548772 5.98 473540 1312612 240 00:20:01 6149836 7511960 297132 3.65 54248 1503732 545964 5.95 471964 1274952 124 00:30:02 6168704 7531320 277680 3.41 54400 1504096 546100 5.95 472000 1275428 308 00:40:01 5120160 7398516 358456 4.41 105000 2324688 642892 7.00 598224 2101540 240 00:50:01 5043356 7323600 433408 5.33 105088 2326524 680948 7.42 628548 2103464 240 Average: 5720042 7456612 331634 4.08 74567 1840073 592935 6.46 528855 1613599 230 00:00:01 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 0.20 0.06 0.07 0.03 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 0.16 0.07 0.05 0.02 0.00 0.00 0.00 0.00 00:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:02 ens3 0.52 0.12 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 66.17 46.44 315.91 12.45 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 13.12 9.89 72.34 1.05 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.01 11.30 77.61 2.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30024) 06/25/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.26 0.00 0.11 0.01 0.03 99.59 00:10:01 0 0.06 0.00 0.12 0.01 0.04 99.78 00:10:01 1 0.47 0.00 0.10 0.01 0.02 99.40 00:20:01 all 0.63 0.00 0.21 0.01 0.03 99.12 00:20:01 0 0.70 0.00 0.17 0.01 0.02 99.11 00:20:01 1 0.56 0.00 0.26 0.02 0.04 99.13 00:30:02 all 0.24 0.00 0.16 0.01 0.03 99.56 00:30:02 0 0.42 0.00 0.14 0.01 0.02 99.41 00:30:02 1 0.07 0.00 0.18 0.01 0.03 99.72 00:40:01 all 11.66 0.00 1.66 0.45 0.05 86.18 00:40:01 0 15.71 0.00 2.04 0.54 0.06 81.65 00:40:01 1 7.60 0.00 1.28 0.36 0.05 90.71 00:50:01 all 0.83 0.00 0.19 0.01 0.06 98.91 00:50:01 0 0.61 0.00 0.16 0.01 0.06 99.16 00:50:01 1 1.04 0.00 0.22 0.01 0.07 98.66 Average: all 2.72 0.00 0.47 0.10 0.04 96.68 Average: 0 3.49 0.00 0.53 0.11 0.04 95.83 Average: 1 1.94 0.00 0.41 0.08 0.04 97.53