---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1457 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 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 756 5201 4 2276 7185 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:eb:f5:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81517sec preferred_lft 81517sec inet6 fe80::f816:3eff:feeb:f5fc/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-1457) 08/02/26 _x86_64_ (2 CPU) 05:14:31 LINUX RESTART (2 CPU) 05:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:10 1.65 0.01 1.63 0.01 0.05 19.72 654.11 05:40:10 1.40 0.00 1.39 0.00 0.00 16.09 0.12 05:50:07 1.38 0.00 1.38 0.00 0.00 15.73 0.12 06:00:10 14.14 0.00 1.66 12.48 0.15 19.45 108988.25 06:10:01 1.86 0.26 1.60 0.01 31.46 76.97 0.18 06:20:10 1.53 0.00 1.52 0.00 1.04 17.40 0.08 06:30:07 14.29 1.65 11.68 0.95 117.39 2221.60 421.11 Average: 5.18 0.27 2.97 1.93 21.30 339.34 15824.94 05:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:10 6289920 7537132 283852 3.49 30616 1422280 528304 5.75 444576 1183604 124 05:40:10 6305320 7553044 267936 3.29 30788 1422612 528328 5.75 444680 1184112 120 05:50:07 6308940 7557168 263804 3.24 30960 1422936 528328 5.75 444712 1184608 212 06:00:10 6298184 7546980 273876 3.37 31144 1423316 528336 5.75 444700 1185132 28 06:10:01 6233796 7510064 310264 3.82 31488 1450076 737540 8.03 460216 1203348 272 06:20:10 6239676 7516804 303568 3.73 31688 1450716 528548 5.76 454992 1203884 124 06:30:07 5456900 7397076 383136 4.71 72000 2039220 639520 6.97 592780 1816004 44840 Average: 6161819 7516895 298062 3.67 36955 1518737 574129 6.25 469522 1280099 6531 05:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:10 ens3 0.87 0.07 0.12 0.04 0.00 0.00 0.00 0.00 05:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:10 ens3 0.50 0.06 0.09 0.04 0.00 0.00 0.00 0.00 05:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:07 ens3 1.02 0.05 0.18 0.01 0.00 0.00 0.00 0.00 06:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:10 ens3 0.23 0.04 0.05 0.01 0.00 0.00 0.00 0.00 06:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 06:10:01 ens3 0.43 0.24 3.27 0.03 0.00 0.00 0.00 0.00 06:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:20:10 ens3 0.24 0.04 0.07 0.03 0.00 0.00 0.00 0.00 06:30:07 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 06:30:07 ens3 41.12 24.86 279.87 6.34 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.32 3.61 40.32 0.93 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1457) 08/02/26 _x86_64_ (2 CPU) 05:14:31 LINUX RESTART (2 CPU) 05:20:10 CPU %user %nice %system %iowait %steal %idle 05:30:10 all 0.28 0.00 0.18 0.03 0.02 99.49 05:30:10 0 0.11 0.00 0.18 0.05 0.02 99.64 05:30:10 1 0.45 0.00 0.18 0.01 0.02 99.34 05:40:10 all 0.25 0.00 0.08 0.01 0.02 99.63 05:40:10 0 0.25 0.00 0.08 0.02 0.03 99.62 05:40:10 1 0.26 0.00 0.08 0.00 0.02 99.64 05:50:07 all 0.23 0.00 0.07 0.23 0.02 99.44 05:50:07 0 0.15 0.00 0.08 0.46 0.03 99.29 05:50:07 1 0.32 0.00 0.07 0.00 0.02 99.59 06:00:10 all 0.29 0.00 0.17 0.03 0.03 99.48 06:00:10 0 0.28 0.00 0.17 0.01 0.03 99.51 06:00:10 1 0.31 0.00 0.16 0.05 0.02 99.45 06:10:01 all 0.38 0.00 0.10 0.02 0.02 99.48 06:10:01 0 0.37 0.00 0.08 0.01 0.02 99.52 06:10:01 1 0.39 0.00 0.13 0.02 0.03 99.43 06:20:10 all 0.26 0.00 0.08 0.12 0.02 99.51 06:20:10 0 0.45 0.00 0.07 0.24 0.02 99.22 06:20:10 1 0.07 0.00 0.09 0.01 0.03 99.80 06:30:07 all 6.36 0.00 1.01 0.34 0.04 92.25 06:30:07 0 6.83 0.00 1.07 0.37 0.03 91.70 06:30:07 1 5.90 0.00 0.94 0.30 0.04 92.81 Average: all 1.15 0.00 0.24 0.11 0.03 98.48 Average: 0 1.20 0.00 0.25 0.16 0.02 98.36 Average: 1 1.09 0.00 0.23 0.06 0.03 98.59