https://community.netapp.com/t5/ONTAP-Discussions/Why-8-3-x-has-betther-performance-than-9-0/m-p/122481#M26287 <P>Hi all.</P><P>&nbsp;</P><P>I simulated by spm.</P><P>&nbsp;</P><P>Same Model FAS8040A, same workload - 80% random read 20% random write, same protocol and same disks.</P><P>&nbsp;</P><P>But Ontap 9.0 has poor performance Maximum IOPS and throughput.</P><P>&nbsp;</P><P>I only changed version of Ontap!</P><P>&nbsp;</P><P>Below pictures are&nbsp;performance results at&nbsp;simulated by netapp SPM.</P><P>&nbsp;</P><P>Left image is Ontap9</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper" image-alt="11111.png" style="width: 999px;"><img src="https://community.netapp.com/t5/image/serverpage/image-id/5796iF544481B416B6320/image-size/large?v=v2&amp;px=999" role="button" title="11111.png" alt="11111.png" /></span></P> Wed, 04 Jun 2025 19:26:14 GMT KHYOON123 2025-06-04T19:26:14Z https://community.netapp.com/t5/ONTAP-Discussions/Why-8-3-x-has-betther-performance-than-9-0/m-p/122481#M26287 <P>Hi all.</P><P>&nbsp;</P><P>I simulated by spm.</P><P>&nbsp;</P><P>Same Model FAS8040A, same workload - 80% random read 20% random write, same protocol and same disks.</P><P>&nbsp;</P><P>But Ontap 9.0 has poor performance Maximum IOPS and throughput.</P><P>&nbsp;</P><P>I only changed version of Ontap!</P><P>&nbsp;</P><P>Below pictures are&nbsp;performance results at&nbsp;simulated by netapp SPM.</P><P>&nbsp;</P><P>Left image is Ontap9</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper" image-alt="11111.png" style="width: 999px;"><img src="https://community.netapp.com/t5/image/serverpage/image-id/5796iF544481B416B6320/image-size/large?v=v2&amp;px=999" role="button" title="11111.png" alt="11111.png" /></span></P> Wed, 04 Jun 2025 19:26:14 GMT https://community.netapp.com/t5/ONTAP-Discussions/Why-8-3-x-has-betther-performance-than-9-0/m-p/122481#M26287 KHYOON123 2025-06-04T19:26:14Z