---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53418 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 7.9G 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 750 5235 4 2252 7190 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:d2:b8:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 20542sec preferred_lft 20542sec inet6 fe80::f816:3eff:fed2:b8d8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53418) 03/28/26 _x86_64_ (2 CPU) 00:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:06 1.81 0.02 1.78 0.02 0.81 20.80 432.86 00:20:01 2.11 0.11 1.96 0.04 3.08 26.53 587.66 00:30:06 1.76 0.00 1.74 0.02 0.00 19.23 643.50 00:40:06 22.42 3.01 17.20 2.21 226.10 3081.61 457.86 Average: 7.03 0.78 5.67 0.57 57.55 787.83 530.57 00:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:06 6130860 7518516 290848 3.58 51748 1531972 552016 6.01 470732 1299492 224 00:20:01 6149980 7505952 303312 3.73 51964 1499996 549088 5.98 469392 1267388 240 00:30:06 6154560 7511020 298236 3.67 52120 1500320 549088 5.98 469508 1267868 244 00:40:06 5225460 7407600 354016 4.35 101792 2235680 644668 7.02 600564 2007784 852 Average: 5915215 7485772 311603 3.83 64406 1691992 573715 6.25 502549 1460633 390 00:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:06 ens3 0.22 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 0.22 0.08 0.07 0.04 0.00 0.00 0.00 0.00 00:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:06 ens3 0.55 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:40:06 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:06 ens3 50.73 37.61 296.89 11.01 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 12.95 9.48 74.38 2.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53418) 03/28/26 _x86_64_ (2 CPU) 00:00:07 CPU %user %nice %system %iowait %steal %idle 00:10:06 all 0.22 0.00 0.09 0.01 0.03 99.64 00:10:06 0 0.41 0.00 0.07 0.01 0.02 99.49 00:10:06 1 0.04 0.00 0.11 0.01 0.05 99.80 00:20:01 all 0.59 0.00 0.21 0.01 0.03 99.15 00:20:01 0 0.41 0.00 0.23 0.02 0.03 99.31 00:20:01 1 0.78 0.00 0.20 0.01 0.04 98.98 00:30:06 all 0.28 0.00 0.15 0.01 0.04 99.52 00:30:06 0 0.27 0.00 0.15 0.01 0.03 99.54 00:30:06 1 0.28 0.00 0.16 0.00 0.04 99.51 00:40:06 all 10.57 0.00 1.58 0.45 0.05 87.35 00:40:06 0 10.68 0.00 1.55 0.46 0.04 87.26 00:40:06 1 10.45 0.00 1.61 0.45 0.06 87.43 Average: all 2.92 0.00 0.51 0.12 0.04 96.41 Average: 0 2.94 0.00 0.50 0.13 0.03 96.40 Average: 1 2.89 0.00 0.52 0.12 0.05 96.43