---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9756 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 772 5271 4 2186 7169 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:f4:e2:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82424sec preferred_lft 82424sec inet6 fe80::f816:3eff:fef4:e224/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9756) 04/30/26 _x86_64_ (2 CPU) 00:42:27 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:13 14.31 0.26 1.75 12.30 31.55 75.23 107114.59 01:10:13 1.29 0.00 1.27 0.02 0.00 14.88 1.09 01:20:13 1.31 0.00 1.29 0.02 0.01 15.47 1.20 01:30:13 1.46 0.00 1.43 0.03 0.00 17.19 1.47 01:40:02 1.63 0.42 1.19 0.02 16.36 47.46 0.18 Average: 4.05 0.14 1.39 2.53 9.65 34.17 21869.57 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:13 6268656 7542460 277412 3.41 30860 1448252 529976 5.77 464244 1200392 140 01:10:13 6275384 7549736 270124 3.32 31064 1448588 530112 5.77 464368 1200932 132 01:20:13 6273632 7548520 271320 3.34 31268 1448920 530120 5.77 464900 1201460 176 01:30:13 6270332 7545772 274040 3.37 31460 1449252 530120 5.77 461080 1201992 132 01:40:02 6235964 7526704 292748 3.60 31812 1464132 546484 5.95 485912 1215572 528 Average: 6264794 7542638 277129 3.41 31293 1451829 533362 5.81 468101 1204070 222 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:13 ens3 1.02 0.25 3.11 0.05 0.00 0.00 0.00 0.00 01:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:13 ens3 0.86 0.06 14.90 0.03 0.00 0.00 0.00 0.00 01:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:13 ens3 0.51 0.08 0.29 0.05 0.00 0.00 0.00 0.00 01:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 0.36 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 13.08 5.57 20.60 3.25 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.12 1.18 7.73 0.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9756) 04/30/26 _x86_64_ (2 CPU) 00:42:27 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:13 all 0.39 0.00 0.20 0.05 0.04 99.32 01:00:13 0 0.15 0.00 0.21 0.07 0.05 99.53 01:00:13 1 0.63 0.00 0.19 0.03 0.03 99.11 01:10:13 all 0.24 0.00 0.07 0.01 0.04 99.63 01:10:13 0 0.06 0.00 0.08 0.02 0.05 99.79 01:10:13 1 0.42 0.00 0.07 0.00 0.03 99.48 01:20:13 all 0.28 0.00 0.07 0.01 0.04 99.60 01:20:13 0 0.46 0.00 0.05 0.01 0.03 99.44 01:20:13 1 0.09 0.00 0.09 0.02 0.05 99.76 01:30:13 all 0.29 0.00 0.16 0.01 0.04 99.50 01:30:13 0 0.40 0.00 0.13 0.01 0.03 99.44 01:30:13 1 0.19 0.00 0.19 0.02 0.05 99.56 01:40:02 all 0.51 0.00 0.10 0.02 0.04 99.33 01:40:02 0 0.55 0.00 0.09 0.02 0.03 99.31 01:40:02 1 0.48 0.00 0.10 0.02 0.04 99.36 Average: all 0.34 0.00 0.12 0.02 0.04 99.48 Average: 0 0.32 0.00 0.11 0.03 0.04 99.50 Average: 1 0.36 0.00 0.13 0.02 0.04 99.45