---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1163 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 771 5197 4 2269 7170 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:2b:b6:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7186sec preferred_lft 7186sec inet6 fe80::f816:3eff:fe2b:b675/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1163) 04/09/26 _x86_64_ (2 CPU) 00:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:21 1.80 0.01 1.77 0.01 0.80 21.33 0.25 00:20:01 1.93 0.11 1.79 0.02 3.15 24.73 496.96 00:30:22 1.78 0.00 1.76 0.02 0.00 19.44 0.27 00:40:22 22.36 3.01 17.14 2.21 226.31 3114.21 659.60 00:50:01 1.60 0.00 1.59 0.02 0.00 23.16 0.14 Average: 5.91 0.63 4.82 0.46 46.20 642.81 229.08 00:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:21 6122380 7527276 281296 3.46 55464 1545272 539956 5.88 471552 1314312 240 00:20:01 6137920 7504456 304004 3.74 55616 1506684 537024 5.85 469852 1275660 240 00:30:22 6137608 7504764 303680 3.73 55752 1507168 537024 5.85 469980 1276148 256 00:40:22 5205260 7398428 362636 4.46 104380 2244068 637412 6.94 606480 2016528 784 00:50:01 5127968 7323032 438108 5.39 104496 2245896 675352 7.36 636832 2018492 504 Average: 5746227 7451591 337945 4.16 75142 1809818 585354 6.38 530939 1580228 405 00:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:21 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 0.13 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:22 ens3 0.49 0.14 0.17 0.10 0.00 0.00 0.00 0.00 00:40:22 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:22 ens3 59.99 43.59 298.61 12.35 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 13.89 10.56 74.96 1.12 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 14.90 10.85 74.52 2.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1163) 04/09/26 _x86_64_ (2 CPU) 00:00:11 CPU %user %nice %system %iowait %steal %idle 00:10:21 all 0.24 0.00 0.09 0.01 0.03 99.62 00:10:21 0 0.13 0.00 0.10 0.01 0.04 99.72 00:10:21 1 0.36 0.00 0.09 0.01 0.03 99.52 00:20:01 all 0.64 0.00 0.23 0.02 0.03 99.08 00:20:01 0 0.77 0.00 0.22 0.02 0.02 98.96 00:20:01 1 0.51 0.00 0.23 0.01 0.04 99.21 00:30:22 all 0.25 0.00 0.15 0.01 0.03 99.56 00:30:22 0 0.42 0.00 0.12 0.01 0.02 99.43 00:30:22 1 0.09 0.00 0.18 0.01 0.04 99.68 00:40:22 all 10.61 0.00 1.60 0.50 0.05 87.24 00:40:22 0 14.28 0.00 1.94 0.63 0.06 83.08 00:40:22 1 6.94 0.00 1.27 0.36 0.05 91.39 00:50:01 all 0.83 0.00 0.19 0.02 0.08 98.89 00:50:01 0 0.67 0.00 0.17 0.01 0.08 99.06 00:50:01 1 0.98 0.00 0.20 0.02 0.07 98.73 Average: all 2.52 0.00 0.45 0.11 0.05 96.88 Average: 0 3.26 0.00 0.51 0.14 0.04 96.05 Average: 1 1.77 0.00 0.39 0.08 0.05 97.71