---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-810 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 22% / 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 791 5013 4 2438 7150 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:35:ad:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7227sec preferred_lft 7227sec inet6 fe80::f816:3eff:fe35:ad85/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-810) 08/01/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 2.13 0.01 2.06 0.06 0.81 33.59 691.99 00:20:18 2.00 0.10 1.86 0.03 2.97 25.52 920.55 00:30:02 1.66 0.00 1.65 0.01 0.00 18.86 666.37 00:40:01 24.87 2.84 19.74 2.29 223.55 3426.47 1018.44 00:50:08 1.88 0.00 1.85 0.03 0.47 103.62 3.24 01:00:01 1.77 0.00 1.75 0.02 0.00 97.72 0.85 Average: 5.72 0.49 4.81 0.41 37.93 616.89 551.26 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6106120 7504112 304880 3.75 54640 1539220 594364 6.47 482968 1310404 240 00:20:18 6129756 7489592 319284 3.93 54840 1500824 592152 6.45 481796 1271992 180 00:30:02 6129768 7490156 318744 3.92 54968 1501244 592312 6.45 481952 1272412 128 00:40:01 5149492 7435396 320688 3.94 105892 2330652 617440 6.73 565620 2107624 9256 00:50:08 5088580 7385724 370432 4.55 106000 2341872 710076 7.73 615844 2118952 352 01:00:01 5045796 7366348 389600 4.79 106112 2365172 705668 7.69 619596 2142324 1060 Average: 5608252 7445221 337271 4.15 80409 1929831 635335 6.92 541296 1703951 1869 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 0.45 0.10 0.13 0.06 0.00 0.00 0.00 0.00 00:20:18 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:18 ens3 0.44 0.13 0.16 0.09 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 0.80 0.31 0.20 1.61 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 66.10 44.20 317.62 11.20 0.00 0.00 0.00 0.00 00:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:08 ens3 36.30 30.53 7.97 4.08 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 44.53 43.07 10.19 6.19 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 24.74 19.69 55.97 3.86 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-810) 08/01/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.23 0.01 0.13 0.02 0.03 99.58 00:10:01 0 0.08 0.02 0.15 0.01 0.03 99.72 00:10:01 1 0.39 0.00 0.11 0.04 0.02 99.44 00:20:18 all 0.67 0.00 0.22 0.01 0.03 99.07 00:20:18 0 0.63 0.00 0.27 0.01 0.04 99.06 00:20:18 1 0.72 0.00 0.17 0.01 0.02 99.08 00:30:02 all 0.21 0.00 0.16 0.01 0.03 99.59 00:30:02 0 0.18 0.00 0.16 0.00 0.03 99.63 00:30:02 1 0.24 0.00 0.17 0.01 0.03 99.55 00:40:01 all 11.73 0.00 1.70 0.60 0.06 85.91 00:40:01 0 9.46 0.00 1.56 0.61 0.05 88.33 00:40:01 1 14.00 0.00 1.85 0.59 0.06 83.49 00:50:08 all 5.42 0.00 0.49 0.01 0.09 93.99 00:50:08 0 7.23 0.00 0.59 0.01 0.10 92.07 00:50:08 1 3.62 0.00 0.39 0.02 0.07 95.90 01:00:01 all 8.01 0.00 0.64 0.01 0.10 91.24 01:00:01 0 8.39 0.00 0.64 0.01 0.10 90.87 01:00:01 1 7.63 0.00 0.64 0.02 0.10 91.62 Average: all 4.37 0.00 0.56 0.11 0.05 94.91 Average: 0 4.31 0.00 0.56 0.11 0.06 94.96 Average: 1 4.42 0.00 0.55 0.12 0.05 94.86