---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20879 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: 5600.00 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 801 5158 4 2274 7140 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:39:e1:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81164sec preferred_lft 81164sec inet6 fe80::f816:3eff:fe39:e17c/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-20879) 05/28/26 _x86_64_ (2 CPU) 06:47:38 LINUX RESTART (2 CPU) 06:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:00 14.21 0.03 1.62 12.56 1.39 19.79 109850.92 07:10:00 1.41 0.01 1.38 0.02 0.05 16.87 1.09 07:20:00 1.32 0.00 1.30 0.02 0.01 15.67 1.21 07:30:00 2.03 0.25 1.74 0.04 30.97 77.12 1.51 07:40:00 1.37 0.01 1.35 0.02 1.05 16.36 1.25 07:50:00 1.27 0.00 1.25 0.02 0.00 15.40 1.21 08:00:00 24.27 3.18 18.79 2.30 233.01 3426.00 495.72 08:10:00 1.26 0.00 1.26 0.00 0.09 31.08 0.00 Average: 5.89 0.43 3.59 1.87 33.32 452.29 13793.91 06:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:00 6280448 7526880 293364 3.61 30568 1421516 522304 5.69 446176 1183320 124 07:10:00 6280448 7527452 292780 3.60 30804 1421852 522404 5.69 446744 1183888 148 07:20:00 6280448 7527996 292216 3.59 31020 1422172 522464 5.69 447016 1184428 124 07:30:00 6235968 7510412 309220 3.80 31416 1448296 718676 7.83 461564 1202176 140 07:40:00 6258220 7533512 286172 3.52 31620 1448928 523536 5.70 457200 1202708 124 07:50:00 6261988 7537972 281692 3.46 31844 1449392 523548 5.70 457592 1203260 148 08:00:00 5193540 7387476 379908 4.67 87296 2267332 644580 7.02 620344 2030760 184 08:10:00 5182000 7381028 386320 4.75 87444 2272264 665264 7.25 624660 2035852 316 Average: 5996632 7491591 315209 3.88 45252 1643969 580347 6.32 495162 1403299 164 06:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:00:00 ens3 1.73 0.09 0.23 0.06 0.00 0.00 0.00 0.00 07:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:10:00 ens3 0.81 0.15 0.23 0.13 0.00 0.00 0.00 0.00 07:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:20:00 ens3 0.41 0.06 0.25 0.03 0.00 0.00 0.00 0.00 07:30:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 07:30:00 ens3 0.79 0.29 3.38 0.10 0.00 0.00 0.00 0.00 07:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:40:00 ens3 0.42 0.19 0.08 0.70 0.00 0.00 0.00 0.00 07:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:50:00 ens3 0.25 0.05 0.07 0.03 0.00 0.00 0.00 0.00 08:00:00 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 08:00:00 ens3 48.45 32.79 312.08 8.47 0.00 0.00 0.00 0.00 08:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 08:10:00 ens3 6.08 3.77 1.20 1.74 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 7.37 4.67 39.69 1.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20879) 05/28/26 _x86_64_ (2 CPU) 06:47:38 LINUX RESTART (2 CPU) 06:50:00 CPU %user %nice %system %iowait %steal %idle 07:00:00 all 0.29 0.00 0.18 0.04 0.03 99.46 07:00:00 0 0.45 0.00 0.16 0.02 0.03 99.35 07:00:00 1 0.14 0.00 0.19 0.06 0.04 99.58 07:10:00 all 0.28 0.00 0.08 0.01 0.03 99.61 07:10:00 0 0.23 0.00 0.08 0.01 0.02 99.66 07:10:00 1 0.33 0.00 0.08 0.01 0.03 99.55 07:20:00 all 0.25 0.00 0.07 0.01 0.04 99.63 07:20:00 0 0.07 0.00 0.09 0.01 0.04 99.78 07:20:00 1 0.44 0.00 0.05 0.00 0.03 99.48 07:30:00 all 0.35 0.00 0.19 0.02 0.04 99.39 07:30:00 0 0.35 0.00 0.21 0.02 0.04 99.38 07:30:00 1 0.35 0.00 0.18 0.03 0.04 99.41 07:40:00 all 0.07 0.00 0.06 0.01 0.03 99.83 07:40:00 0 0.07 0.00 0.05 0.02 0.02 99.85 07:40:00 1 0.07 0.00 0.08 0.01 0.04 99.81 07:50:00 all 0.22 0.00 0.06 0.01 0.03 99.67 07:50:00 0 0.04 0.00 0.08 0.02 0.04 99.82 07:50:00 1 0.40 0.00 0.05 0.00 0.02 99.53 08:00:00 all 11.95 0.00 1.78 0.57 0.06 85.64 08:00:00 0 14.18 0.00 1.83 0.62 0.06 83.31 08:00:00 1 9.73 0.00 1.72 0.51 0.06 87.98 08:10:00 all 2.07 0.00 0.19 0.01 0.06 97.67 08:10:00 0 3.03 0.00 0.22 0.01 0.08 96.65 08:10:00 1 1.10 0.00 0.16 0.01 0.05 98.68 Average: all 1.93 0.00 0.33 0.08 0.04 97.62 Average: 0 2.30 0.00 0.34 0.09 0.04 97.23 Average: 1 1.57 0.00 0.31 0.08 0.04 98.00