---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19506 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 776 5097 4 2359 7165 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:ad:c0:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.91/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80959sec preferred_lft 80959sec inet6 fe80::f816:3eff:fead:c07a/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-19506) 05/24/26 _x86_64_ (2 CPU) 01:48:31 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 1.67 0.03 1.63 0.01 1.24 19.32 436.17 02:10:00 1.36 0.01 1.36 0.00 0.05 15.85 0.12 02:20:00 1.83 0.25 1.57 0.01 30.99 74.39 0.17 02:30:00 1.62 0.01 1.58 0.03 1.05 19.19 1.63 02:40:00 1.37 0.00 1.35 0.02 0.00 16.12 1.32 02:50:00 13.93 0.00 1.36 12.57 0.15 16.24 109128.55 03:00:00 23.72 3.02 18.41 2.28 228.08 3401.09 637.96 03:10:00 1.50 0.00 1.49 0.01 0.35 69.85 0.05 Average: 5.87 0.42 3.59 1.87 32.74 454.01 13775.78 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6293504 7544256 276380 3.40 30612 1425780 531292 5.79 443620 1187152 124 02:10:00 6293252 7544528 276104 3.40 30800 1426112 531292 5.79 443816 1187672 120 02:20:00 6250356 7528444 291764 3.59 31152 1452212 727260 7.92 458284 1205360 168 02:30:00 6255188 7534172 285984 3.52 31376 1452852 531464 5.79 453084 1205912 128 02:40:00 6262776 7542308 277840 3.42 31592 1453180 531464 5.79 455164 1206456 124 02:50:00 6268204 7548448 271596 3.34 31788 1453676 531544 5.79 455780 1206992 160 03:00:00 5201024 7402296 365536 4.49 86736 2275200 639564 6.97 595236 2037908 312 03:10:00 5178848 7395776 371792 4.57 86912 2290708 705664 7.69 603424 2053460 440 Average: 6000394 7505028 302124 3.72 45121 1653715 591193 6.44 488551 1411364 197 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 1.65 0.06 0.22 0.03 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.54 0.03 0.07 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.84 0.24 4.06 0.03 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.35 0.03 0.08 0.01 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.43 0.06 0.09 0.03 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.43 0.08 0.13 0.07 0.00 0.00 0.00 0.00 03:00:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:00 ens3 72.18 48.22 317.15 11.86 0.00 0.00 0.00 0.00 03:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:00 ens3 46.17 42.98 9.81 5.66 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.32 11.46 41.45 2.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19506) 05/24/26 _x86_64_ (2 CPU) 01:48:31 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.27 0.00 0.20 0.01 0.02 99.50 02:00:00 0 0.27 0.00 0.18 0.02 0.02 99.52 02:00:00 1 0.27 0.00 0.23 0.01 0.02 99.47 02:10:00 all 0.28 0.00 0.07 0.01 0.02 99.62 02:10:00 0 0.09 0.00 0.08 0.02 0.02 99.79 02:10:00 1 0.48 0.00 0.07 0.00 0.01 99.44 02:20:00 all 0.37 0.00 0.11 0.02 0.02 99.48 02:20:00 0 0.26 0.00 0.14 0.03 0.02 99.54 02:20:00 1 0.48 0.00 0.08 0.01 0.02 99.42 02:30:00 all 0.27 0.00 0.17 0.01 0.02 99.53 02:30:00 0 0.07 0.00 0.19 0.02 0.02 99.69 02:30:00 1 0.46 0.00 0.15 0.01 0.02 99.36 02:40:00 all 0.28 0.00 0.08 0.01 0.02 99.62 02:40:00 0 0.10 0.00 0.08 0.02 0.02 99.79 02:40:00 1 0.45 0.00 0.07 0.00 0.02 99.45 02:50:00 all 0.27 0.00 0.09 0.03 0.02 99.59 02:50:00 0 0.09 0.00 0.11 0.06 0.03 99.72 02:50:00 1 0.46 0.00 0.06 0.00 0.02 99.46 03:00:00 all 13.96 0.00 1.94 0.55 0.06 83.49 03:00:00 0 17.30 0.00 2.31 0.83 0.07 79.48 03:00:00 1 10.61 0.00 1.58 0.27 0.05 87.50 03:10:00 all 6.39 0.00 0.53 0.01 0.06 93.01 03:10:00 0 6.90 0.00 0.55 0.01 0.07 92.47 03:10:00 1 5.87 0.00 0.51 0.01 0.06 93.55 Average: all 2.75 0.00 0.40 0.08 0.03 96.74 Average: 0 3.12 0.00 0.45 0.12 0.03 96.27 Average: 1 2.38 0.00 0.34 0.04 0.03 97.22