Query Rows & Collection size exceeds maximum limit

Visualforce Page:

<apex:page controller="yourCustomcontroller" readonly="true">  
</apex:page>  

Please note using readonly="true" in Visualforce page, can increase Query Rows & Collection size:

  • Query Rows limits increased from 50001 to 1 million rows.
  • Collection size limits increased from 1001 to 10000.