Setting timeouts for queries in Apache Solr

You can set timeouts for queries in Apache Solr to prevent them from taking too long to execute. Here’s a brief overview of how to set timeouts for queries in Solr:

1. The “timeAllowed” parameter: The “timeAllowed” parameter is used to set a timeout for the search query in milliseconds. If the query takes longer than the specified time to execute, Solr will return an error response.

2. Example: To set a timeout of 5000 milliseconds (5 seconds) for a search query, you would use the following URL:

http://localhost:8983/solr/yourcore/select?q=*:*&timeAllowed=5000

This URL specifies that the search query should return all documents (“*:*”) and set a timeout of 5000 milliseconds for the query (“timeAllowed=5000”).

3. Timeout response: If the search query times out, Solr will return an error response with an HTTP status code of 408 (Request Timeout) and an error message indicating that the query took too long to execute.

By setting timeouts for queries in Solr, you can prevent them from taking too long to execute and affecting the performance of your application. The Solr documentation provides detailed information on how to use the “timeAllowed” parameter and other query parameters to fine-tune your search queries.