Manager 1 Interview Questions and Answers

JSP is compiled into servlets by the server at runtime.

• JSP pages are first translated into Java code by the JSP compiler.

• The Java code is then compiled into servlets by the server at runtime.

• The servlets are then executed to generate dynamic content for the client.

• Compilation can be done automatically or manually depending on the server configuration.

Solr indexing is the process of adding documents to the Solr search engine for efficient retrieval.

• Solr indexing involves creating a schema that defines the fields to be indexed

• Documents are then added to the index using the Solr API or a data import handler

• Solr uses inverted indexes to quickly search for documents matching a query

• Indexing can be optimized by using techniques like sharding and replication

To refresh cache, clear the cache or set a new expiration time.

• Clear the cache by deleting all cached data

• Set a new expiration time for the cache

• Use cache busting techniques to force a refresh

• Implement server-side cache invalidation

• Use a CDN to serve cached content

A cron job can be used to automate cache synchronization at regular intervals.

• Set up a cron job to run a script that clears and updates the cache

• Specify the frequency of the cron job based on the cache update frequency

• Ensure that the script is error-free and logs any issues for debugging

• Consider using a distributed cache system for better performance

• Example: */5 * * * * /path/to/script.sh