---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-13063 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 8.1G 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 737 5037 4 2457 7204 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:80:be:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.108/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82798sec preferred_lft 82798sec inet6 fe80::f816:3eff:fe80:be51/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13063) 05/13/26 _x86_64_ (2 CPU) 00:39:22 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 20.24 1.72 16.31 2.21 133.14 2981.25 668.44 01:00:01 1.39 0.01 1.36 0.02 0.05 17.31 0.71 01:10:09 1.35 0.00 1.33 0.01 0.00 155.73 0.59 01:20:01 15.13 0.01 1.50 13.62 0.16 282.78 107935.28 01:30:01 1.55 0.00 1.53 0.02 0.00 36.02 0.24 Average: 7.89 0.35 4.40 3.14 26.64 693.62 21435.65 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5116016 7209356 562704 6.92 83956 2173644 828004 9.02 768828 1942484 124 01:00:01 5142692 7236624 535204 6.58 84120 2174084 780064 8.50 720140 1943076 240 01:10:09 5157408 7294620 477100 5.87 84244 2217108 759376 8.27 683336 1986236 136 01:20:01 4956340 7173820 596604 7.34 84432 2296092 894608 9.74 818304 2065380 124 01:30:01 4982676 7205948 564308 6.94 84584 2301652 834320 9.09 758552 2071092 240 Average: 5071026 7224074 547184 6.73 84267 2232516 819274 8.92 749832 2001654 173 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.25 1.25 0.08 0.08 0.00 0.00 0.00 0.00 00:50:01 ens3 66.23 51.25 670.42 8.19 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 29.72 28.53 534.92 1.90 0.00 0.00 0.00 0.00 01:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 70.91 68.12 1201.62 4.49 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 26.09 24.16 396.37 1.66 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 20.54 19.80 345.33 1.34 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 42.81 38.48 631.80 3.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13063) 05/13/26 _x86_64_ (2 CPU) 00:39:22 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 9.84 0.00 1.72 0.41 0.06 87.98 00:50:01 0 12.04 0.00 1.79 0.44 0.05 85.69 00:50:01 1 7.63 0.00 1.65 0.38 0.07 90.28 01:00:01 all 0.69 0.00 0.44 0.01 0.05 98.82 01:00:01 0 0.71 0.00 0.38 0.01 0.04 98.87 01:00:01 1 0.66 0.00 0.50 0.01 0.05 98.77 01:10:09 all 1.14 0.00 0.57 0.01 0.06 98.22 01:10:09 0 0.93 0.00 0.40 0.00 0.05 98.62 01:10:09 1 1.35 0.00 0.74 0.01 0.07 97.82 01:20:01 all 0.85 0.00 0.24 0.05 0.05 98.81 01:20:01 0 0.92 0.00 0.23 0.01 0.06 98.78 01:20:01 1 0.78 0.00 0.25 0.08 0.05 98.84 01:30:01 all 0.66 0.00 0.35 0.01 0.04 98.94 01:30:01 0 0.50 0.00 0.34 0.01 0.04 99.11 01:30:01 1 0.83 0.00 0.37 0.00 0.03 98.77 Average: all 2.63 0.00 0.66 0.09 0.05 96.55 Average: 0 3.02 0.00 0.63 0.09 0.05 96.22 Average: 1 2.25 0.00 0.70 0.10 0.06 96.89