---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33912 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 793 5074 4 2374 7148 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:fd:af:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8079sec preferred_lft 8079sec inet6 fe80::f816:3eff:fefd:af73/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33912) 07/09/26 _x86_64_ (2 CPU) 00:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:05 1.59 0.01 1.56 0.01 0.81 19.02 0.24 00:20:00 1.73 0.11 1.59 0.03 3.08 22.95 139.57 00:30:05 1.68 0.00 1.67 0.02 0.00 18.99 0.25 00:40:05 25.18 2.99 19.93 2.27 227.73 3433.19 1019.85 00:50:05 1.71 0.00 1.70 0.02 0.00 25.04 0.65 Average: 6.37 0.62 5.28 0.47 46.24 702.60 231.44 00:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:05 6124976 7521152 287936 3.54 54280 1537840 537736 5.86 466508 1309492 364 00:20:00 6140308 7498400 310588 3.82 54404 1499564 534784 5.82 465228 1271124 124 00:30:05 6154724 7513276 295684 3.64 54532 1499896 534848 5.83 465508 1271576 352 00:40:05 5062648 7347092 409884 5.04 105612 2330232 664108 7.23 632012 2107552 244 00:50:05 5018784 7305224 451644 5.55 105708 2332140 686924 7.48 646880 2109556 220 Average: 5700288 7437029 351147 4.32 74907 1839934 591680 6.44 535227 1613860 261 00:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:05 ens3 0.23 0.06 0.07 0.04 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 0.12 0.05 0.03 0.02 0.00 0.00 0.00 0.00 00:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:05 ens3 0.60 0.15 0.24 0.12 0.00 0.00 0.00 0.00 00:40:05 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:40:05 ens3 69.25 48.35 333.52 12.59 0.00 0.00 0.00 0.00 00:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:05 ens3 13.67 11.96 107.38 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 16.75 12.09 88.09 2.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33912) 07/09/26 _x86_64_ (2 CPU) 00:00:00 CPU %user %nice %system %iowait %steal %idle 00:10:05 all 0.26 0.00 0.10 0.01 0.02 99.61 00:10:05 0 0.41 0.00 0.08 0.00 0.01 99.49 00:10:05 1 0.11 0.00 0.13 0.01 0.03 99.73 00:20:00 all 0.65 0.00 0.21 0.01 0.02 99.10 00:20:00 0 0.39 0.00 0.25 0.01 0.03 99.32 00:20:00 1 0.92 0.00 0.18 0.01 0.02 98.88 00:30:05 all 0.25 0.00 0.15 0.01 0.02 99.57 00:30:05 0 0.12 0.00 0.17 0.01 0.02 99.68 00:30:05 1 0.38 0.00 0.14 0.01 0.01 99.46 00:40:05 all 11.89 0.00 1.75 0.57 0.06 85.73 00:40:05 0 10.61 0.00 1.66 0.47 0.06 87.19 00:40:05 1 13.17 0.00 1.84 0.66 0.06 84.27 00:50:05 all 0.84 0.00 0.21 0.01 0.05 98.89 00:50:05 0 0.67 0.00 0.15 0.01 0.04 99.13 00:50:05 1 1.02 0.00 0.26 0.01 0.06 98.64 Average: all 2.77 0.00 0.48 0.12 0.04 96.59 Average: 0 2.43 0.00 0.46 0.10 0.03 96.97 Average: 1 3.11 0.00 0.51 0.14 0.04 96.21