Description: The ‘flushing’ process involves writing data from volatile memory to persistent storage, such as a hard drive or database. This process is crucial in computing and data management systems as it ensures that information is not lost in the event of a system failure or power outage. During flushing, data temporarily residing in memory is transferred to a format that can be stored durably, allowing for future retrieval and access to information. This process can be scheduled to occur at regular intervals or triggered by specific events, such as reaching a memory threshold. In distributed systems, flushing becomes an essential component for maintaining data integrity and availability, as it allows synchronization between nodes and disaster recovery. Additionally, flushing relates to buffer management, where data is temporarily accumulated before being written, thus optimizing system performance. In the context of logging and observability, flushing is also used to store event logs and metrics, facilitating the analysis and monitoring of system behavior.