What Custom Database Functions Can Improve Application Performance?


    What Custom Database Functions Can Improve Application Performance?

    In the quest for peak application performance, a seasoned Database Administrator begins our journey with a tale of implementing custom query functions. Alongside expert insights, we've gathered additional answers that span from incorporating caching solutions to configuring connection pooling, each offering a unique perspective on enhancing database efficiency. Discover a spectrum of strategies, culminating with an analysis of query execution plans, that professionals have employed to turbocharge their applications.

    • Implement Custom Query Functions
    • Optimize with MongoDB Indexing
    • Incorporate Caching Solutions
    • Utilize Batch Processing
    • Adopt Asynchronous Operations
    • Analyze Query Execution Plans
    • Configure Connection Pooling

    Implement Custom Query Functions

    Custom functions are essential in ensuring cost-effective resource utilization and insulating against system upgrades to compensate. One such example was a loop running query evaluations at the C# level. I implemented a custom variant of the Levenshtein distance function. This custom function significantly improved the efficiency and accuracy of queries. This is an example of functionality at the application layer that could be more efficiently handled by the data layer. Without such functions, we would have required a system and hardware upgrade to be within the specified latency range.

    Kolton Fettig
    Kolton FettigDatabase Administrator, Brunswick

    Optimize with MongoDB Indexing

    In MongoDB, database indexing improves application performance. Indexing in MongoDB is one of the most common methods for improving read performance—and in fact, not only for MongoDB but for any database, including relational ones.

    When you index a table or collection, the database creates another data structure. This second data structure works like a lookup table for the fields on which you create the index. You can create a MongoDB index on just one document field or use multiple fields to create a complex or compound index.

    Read Replicas to Offload Reads from the Primary Node

    Another read-performance optimization technique that MongoDB offers out of the box is MongoDB replication. As the name suggests, these are replica nodes that contain the same data as the primary node. A primary node is the node that executes the write operations, and hence, offers the most up-to-date data.

    Read replicas, on the other hand, follow the operations that are performed on the primary node and execute those commands to make the same changes to the data they contain. Meaning, it’s a given that there will be delays in the data getting updated on the read replicas.

    Sharding a Collection to Distribute Data

    As your application grows, the data in your MongoDB database increases as well. At a certain point, a single server will not be able to handle the load. This is when you would typically scale your servers. However, with a MongoDB sharded collection, sharding is recommended when the collection is still empty.

    Limiting Outgoing MongoDB Data to Reduce Data Transfer Time

    When your application and the database are on different machines, which is usually the case in a distributed application, the data transfer over the network introduces a delay. This time increases as the amount of data

    1. MongoDB High Performance:

    Ad hoc queries, indexing, and real-time aggregation provide powerful ways to access data. MongoDB is a distributed database by default, which allows for expansive horizontal scalability without any changes to application logic.

    2. MongoDB Queries:

    Pretty darn fast. Primary key or index queries should take just a few milliseconds. Queries without indexes depend on collection size and machine specs, etc.

    3. Make MongoDB Faster:

    It depends on what you are and aren’t doing already. Try adding indices. Don’t do joins (embedding is preferable). Upgrade your machine specs. And, if you haven’t, definitely try sharding for horizontal scaling.

    Shivam ShuklaMongoDB Database Administrator, Clover Infotech Pvt. Ltd.

    Incorporate Caching Solutions

    Incorporating caching for frequently accessed data can significantly enhance application performance by storing temporary copies of data in a rapidly accessible storage layer. This means that instead of reaching back to the database every time, the application can retrieve information from this quicker cache. Caching reduces the time it takes to access data and lessens the strain on the database.

    Over time, this leads to a smoother user experience, as pages load faster and the system is more responsive. To see the benefits of caching in your application, start exploring caching solutions that fit your needs today.

    Utilize Batch Processing

    Batch processing is another effective technique to improve performance by handling large volumes of data in a single operation instead of multiple ones. By doing so, it can spread out the workload and prevent the server from becoming overwhelmed during peak times. This method is efficient for operations that do not need instant processing, such as data analysis and background maintenance.

    Adopting batch processing reduces the immediate demand on resources and can lead to more stable performance. To take advantage of this, look into batch processing options that could integrate with your system and give it a noticeable boost.

    Adopt Asynchronous Operations

    Asynchronous processing allows an application to remain responsive by performing non-critical tasks in the background, which means that the application does not have to wait for these tasks to complete before moving on to the next job. This frees up resources to handle user interactions and critical operations, leading to a smoother overall experience. Implementing asynchronous operations can be particularly beneficial in services where real-time updates are less crucial.

    It's a sensible move to offload certain tasks in this way to enhance responsiveness and efficiency. Assess which parts of your system could benefit from asynchronous processing and consider implementing it soon.

    Analyze Query Execution Plans

    Query optimization through execution plan analysis helps in finding and rectifying performance bottlenecks by understanding how queries are being run and the paths taken to retrieve data. Through analysis, inefficient queries can be rewritten, indexes can be added, or other changes can be made to speed up response times.

    This deeper insight allows for targeted improvements which can have a considerable impact on the overall performance of an application. Every application can reap the rewards of a well-optimized database, so it's wise to conduct an execution plan analysis on your system's queries and make necessary enhancements.

    Configure Connection Pooling

    Connection pooling is vital in managing the influx of database traffic by allowing a pool of reusable connections that can be shared by multiple users. Instead of opening and closing connections for each user request, connection pooling maintains a set of open connections that can be used on demand, thereby reducing overhead and increasing the capacity to serve more users simultaneously.

    This is an essential function for applications with a high number of concurrent users. To implement this feature, investigate how connection pooling can be configured for your application's database system and take steps towards its incorporation to facilitate smoother user interactions.