---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-54474 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 752 5227 4 2258 7189 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:85:58:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.51/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 26189sec preferred_lft 26189sec inet6 fe80::f816:3eff:fe85:581c/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-54474) 04/01/26 _x86_64_ (2 CPU) 00:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:00 1.60 0.01 1.57 0.01 0.81 18.97 0.25 00:20:00 1.69 0.11 1.55 0.03 3.05 21.65 122.44 00:30:00 1.68 0.00 1.66 0.02 0.00 19.24 0.49 00:40:00 23.34 3.01 18.10 2.23 226.35 3122.10 1052.56 00:50:00 1.70 0.00 1.67 0.03 0.00 26.96 1.67 Average: 6.00 0.63 4.91 0.46 46.04 641.77 235.47 00:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:00 6134816 7517556 291812 3.59 50068 1528824 539472 5.88 465944 1294180 124 00:20:00 6144692 7499020 310228 3.81 50244 1500168 537116 5.85 464728 1265484 124 00:30:00 6151944 7506880 302336 3.72 50400 1500624 537116 5.85 464868 1265960 136 00:40:00 5219268 7400748 360820 4.44 100232 2236592 632816 6.89 602960 2006652 1196 00:50:00 5151104 7334416 427172 5.25 100356 2238452 670756 7.31 633412 2008636 400 Average: 5760365 7451724 338474 4.16 70260 1800932 583455 6.35 526382 1568182 396 00:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:00 ens3 0.30 0.06 0.08 0.03 0.00 0.00 0.00 0.00 00:20:00 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:00 ens3 0.13 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 0.66 0.25 0.18 1.51 0.00 0.00 0.00 0.00 00:40:00 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:00 ens3 59.45 41.46 298.19 11.44 0.00 0.00 0.00 0.00 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 12.60 8.65 72.27 0.97 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 14.63 10.10 74.15 2.79 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54474) 04/01/26 _x86_64_ (2 CPU) 00:00:00 CPU %user %nice %system %iowait %steal %idle 00:10:00 all 0.24 0.00 0.10 0.01 0.04 99.60 00:10:00 0 0.05 0.00 0.12 0.01 0.05 99.77 00:10:00 1 0.43 0.00 0.09 0.01 0.04 99.43 00:20:00 all 0.58 0.00 0.20 0.02 0.04 99.16 00:20:00 0 0.76 0.00 0.18 0.02 0.03 99.01 00:20:00 1 0.40 0.00 0.23 0.01 0.05 99.31 00:30:00 all 0.19 0.00 0.17 0.01 0.04 99.59 00:30:00 0 0.29 0.00 0.16 0.02 0.03 99.50 00:30:00 1 0.09 0.00 0.17 0.01 0.05 99.69 00:40:00 all 10.71 0.00 1.64 0.62 0.06 86.96 00:40:00 0 11.12 0.00 1.55 0.44 0.06 86.84 00:40:00 1 10.30 0.00 1.74 0.80 0.07 87.08 00:50:00 all 0.80 0.00 0.22 0.02 0.09 98.87 00:50:00 0 0.84 0.00 0.22 0.01 0.08 98.85 00:50:00 1 0.76 0.00 0.21 0.04 0.10 98.89 Average: all 2.50 0.00 0.47 0.14 0.05 96.84 Average: 0 2.61 0.00 0.45 0.10 0.05 96.79 Average: 1 2.39 0.00 0.49 0.17 0.06 96.88