---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16088 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 779 5260 4 2190 7162 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:82:ab:36 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.202/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81511sec preferred_lft 81511sec inet6 fe80::f816:3eff:fe82:ab36/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16088) 05/18/26 _x86_64_ (2 CPU) 00:00:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:18 1.53 0.01 1.50 0.01 0.81 18.28 435.99 00:20:18 2.09 0.37 1.69 0.03 35.51 77.48 393.72 00:30:18 1.47 0.00 1.46 0.01 0.00 17.93 435.81 00:40:18 21.94 3.02 16.68 2.25 228.05 3154.39 506.16 00:50:18 1.35 0.00 1.33 0.02 0.09 25.39 1.11 Average: 5.67 0.68 4.53 0.46 52.89 658.69 354.56 00:00:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:18 6288776 7541144 279004 3.43 31016 1426956 523828 5.71 447488 1188436 124 00:20:18 6251416 7530936 288624 3.55 31516 1453180 522408 5.69 456568 1205868 128 00:30:18 6245948 7526112 293364 3.61 31680 1453636 522408 5.69 456672 1206360 128 00:40:18 5269372 7392608 378364 4.65 85252 2201656 656652 7.15 615748 1962388 436 00:50:18 5207892 7333108 438000 5.39 85424 2203580 681464 7.42 632484 1964492 236 Average: 5852681 7464782 335471 4.13 52978 1747802 581352 6.33 521792 1505509 210 00:00:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:18 ens3 0.29 0.05 0.07 0.03 0.00 0.00 0.00 0.00 00:20:18 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 00:20:18 ens3 0.42 0.24 3.12 0.03 0.00 0.00 0.00 0.00 00:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:18 ens3 0.37 0.07 0.11 0.06 0.00 0.00 0.00 0.00 00:40:18 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:18 ens3 65.23 43.19 303.09 11.98 0.00 0.00 0.00 0.00 00:50:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:18 ens3 10.99 7.64 36.99 0.95 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 15.46 10.24 68.68 2.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16088) 05/18/26 _x86_64_ (2 CPU) 00:00:18 CPU %user %nice %system %iowait %steal %idle 00:10:18 all 0.28 0.00 0.10 0.01 0.03 99.58 00:10:18 0 0.05 0.00 0.12 0.01 0.03 99.79 00:10:18 1 0.51 0.00 0.09 0.01 0.03 99.36 00:20:18 all 0.60 0.00 0.22 0.02 0.03 99.13 00:20:18 0 0.36 0.00 0.24 0.02 0.04 99.34 00:20:18 1 0.84 0.00 0.20 0.02 0.03 98.91 00:30:18 all 0.27 0.00 0.15 0.01 0.03 99.53 00:30:18 0 0.12 0.00 0.15 0.01 0.03 99.69 00:30:18 1 0.43 0.00 0.15 0.01 0.03 99.38 00:40:18 all 10.86 0.00 1.65 0.48 0.04 86.96 00:40:18 0 12.06 0.00 1.79 0.51 0.04 85.61 00:40:18 1 9.66 0.00 1.52 0.46 0.04 88.32 00:50:18 all 0.90 0.00 0.19 0.01 0.04 98.86 00:50:18 0 0.75 0.00 0.16 0.01 0.03 99.05 00:50:18 1 1.05 0.00 0.23 0.00 0.05 98.67 Average: all 2.58 0.00 0.46 0.11 0.03 96.81 Average: 0 2.67 0.00 0.49 0.11 0.03 96.70 Average: 1 2.50 0.00 0.44 0.10 0.04 96.93