If you are a developer or administrator working with Salesforce, then you must have heard about Governor Limits. Governor Limits are a set of limits imposed by Salesforce on the code that runs on its platform. These limits are designed to ensure that resources are used efficiently and to prevent code from monopolizing shared resources. In this article, we will discuss what Governor Limits are, how they work, and why they are important for developers and administrators working on the Salesforce platform.
What are Governor Limits?
Governor Limits are a set of runtime limits enforced by Salesforce to ensure that code running on its platform does not monopolize shared resources. These limits are in place to maintain a level of fairness and to prevent individual requests from negatively impacting other requests on the platform.
There are various types of Governor Limits that developers and administrators need to be aware of when developing applications on the Salesforce platform. These limits include Apex Limits, SOQL Limits, and DML Limits, among others.
Apex Limits
Apex is the programming language used by developers to build custom functionality on the Salesforce platform. Apex Limits are the limits that are imposed on the execution of Apex code. These limits are designed to ensure that Apex code does not consume too much memory or CPU time, which can lead to performance issues.
The Apex Limits include limits on CPU time, heap size, and the number of database operations that can be performed in a single transaction. The limits are enforced at the request level, meaning that each request made to the platform has its own set of limits that it must adhere to.
SOQL Limits
SOQL is the Salesforce Object Query Language, used to query the Salesforce database. SOQL Limits are the limits that are imposed on the execution of SOQL queries. These limits are designed to prevent queries from consuming too much CPU time and to ensure that queries return results in a reasonable amount of time.
The SOQL Limits include limits on the number of records that can be returned by a single query, the number of queries that can be executed in a single transaction, and the total number of rows that can be returned by all queries in a single transaction.
DML Limits
DML stands for Data Manipulation Language and is used to insert, update, and delete records in the Salesforce database. DML Limits are the limits that are imposed on the execution of DML operations. These limits are designed to prevent DML operations from consuming too much CPU time and to ensure that DML operations do not cause performance issues.
The DML Limits include limits on the number of records that can be processed in a single transaction, the number of DML statements that can be executed in a single transaction, and the total number of rows that can be processed by all DML statements in a single transaction.
Why are Governor Limits Important?
Governor Limits are important for a few reasons. First, they ensure that resources are used efficiently on the Salesforce platform. By limiting the amount of CPU time, memory, and database operations that can be performed, Salesforce can prevent individual requests from monopolizing shared resources and negatively impacting other requests on the platform.
Second, Governor Limits help developers and administrators write more efficient and scalable code. By enforcing limits on the amount of CPU time, memory, and database operations that can be performed, developers and administrators are encouraged to write more efficient code that uses resources more effectively.
Finally, Governor Limits help prevent performance issues on the Salesforce platform. By limiting the amount of CPU time, memory, and database operations that can be performed, Salesforce can prevent individual requests from consuming too many resources and causing performance issues for other requests on the platform.
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FAQs
What happens if my code exceeds the Governor Limits?
If your code exceeds the Governor Limits, you will receive a runtime exception. This exception will indicate which Governor Limit was exceeded and by how much.
Can I increase the Governor Limits for my organization?
No, Governor Limits are enforced by Salesforce and cannot be increased for individual organizations.
How can I monitor Governor Limits in my code?
Salesforce provides a number of tools and APIs that can be used to monitor Governor Limits in your code. You can use the Limits class in Apex to monitor the limits for a specific transaction or use the Salesforce API to monitor limits across multiple transactions.
Are Governor Limits the same for all editions of Salesforce?
No, Governor Limits can vary depending on the edition of Salesforce that you are using. You can find information about the specific Governor Limits for your edition in the Salesforce documentation.
Are there any best practices for working with Governor Limits?
Yes, there are several best practices that developers and administrators can follow to work within the Governor Limits. These include optimizing code for performance, reducing the number of database operations performed, and using asynchronous processing where possible.
