Description: The Hadoop ecosystem consists of various tools that enhance and improve its functionality, facilitating the processing and analysis of large volumes of data. Among these tools is Apache Flink, a real-time data processing framework that allows for stream data analysis and batch processing, offering high efficiency and low latency. Flink is known for its ability to handle real-time events, making it ideal for applications that require immediate responses. On the other hand, Data Lakes are storage repositories that allow for the storage of data in its original format, without the need for prior structuring. This provides flexibility to store both structured and unstructured data, which is essential in an environment where data variety is increasing. Data Lakes integrate seamlessly with Hadoop, as they enable organizations to store large amounts of data and analyze it later using various tools like Hive and Pig. Together, these tools in the Hadoop ecosystem allow companies to manage and analyze data more effectively, optimizing their decision-making processes and improving their ability to extract valuable insights from their data.