⭐️ Introducing Managed Service for Apache Spark Request access if you’d like to process large-scale datasets using Apache Spark in the Nebius infrastructure: https://lnkd.in/d77YvGi3. Currently, the service is provided free of charge and is at the Preview stage. Here’s what we offer as part of it: - Low upkeep Focus on building queries, not infrastructure. We maintain and optimize Spark for you, so you can concentrate on your data processing tasks. - Big data processing Effortlessly handle large-scale data jobs. Easily manage jobs for calculations on large amounts of data during your dataset preparation. - Easy scaling Scale in seconds. Add new Spark clusters or increase their capacity quickly, with configurable resource usage limits to match your needs. - Serverless solution Resources are spent flexibly only on what you need. Control your consumption, which includes running jobs, active sessions, and configured History Server. - Diverse types of access Interact with Spark from the environment where you are most comfortable. The service supports various interfaces, from CLI and UI to IDE and Jupyter Notebooks. Learn about use cases where Spark is essential and who controls what in a managed model: https://lnkd.in/dkRXNa4s #Spark #datapreparation #dataprocessing #datasets
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Data Engineer & Data Analyst at Techlogix | Databricks Certified | Kaggle Master | SQL | Python | Pyspark | Data Lake | Data Warehouse | AWS | Snowflake
𝗦𝗽𝗮𝗿𝗸 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻 𝗦𝗲𝗿𝗶𝗲𝘀 𝗣𝗮𝗿𝘁 𝟭. Recently, I came across an insightful resource while deep-diving into Apache Spark optimizations that emphasized the importance of configuring the right partition size for your workloads at Techlogix. I wanted to share a quick overview with you all, especially for those handling massive datasets. 🔍 Determine Desired Partition Size: Choosing the correct partition size is crucial for maximizing performance and resource utilization in your Spark jobs. The general guideline suggests targeting partition sizes between 128 MB and 1 GB. This range is known to balance the trade-offs between performance and resource consumption effectively. 👇Key Points to Consider: 👉Default Setting: By default, Spark sets spark.sql.files.maxPartitionBytes to 128 MB. 👉Customization: You can adjust this setting based on your workload using the configuration: spark.conf.set("spark.sql.files.maxPartitionBytes", "1G") This allows flexibility to increase or decrease partition sizes, optimizing performance for different table sizes.
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PySpark | Hadoop | SQL | Python | Big Data | Azure | Databricks | Azure Data Factory | Data Lake Storage (ADLS) Gen2 | Hive | ETL | Machine Learning Engineer @ Tata Consultancy Services | Ex-Oracle | 🔥 Data Enthusiast
🚀 Boost Your Apache Spark Performance 🚀 Apache Spark is powerful, but to get the most out of it, you need to optimize its performance. Here are some quick tips: Memory Management 🧠: Use both on-heap and off-heap memory for better performance. Tune spark.memory.fraction and spark.memory.storageFraction for optimal memory usage. Shuffle Optimization 🔄: Optimize shuffles by increasing the spark.sql.shuffle.partitions based on your data size. Use spark.locality.wait to reduce waiting time for data locality. Caching and Persistence 💾: Cache DataFrames and RDDs when reusing them multiple times to avoid recomputation. Use MEMORY_AND_DISK storage level for large datasets. Cluster Configuration ⚙️: Scale your cluster based on the workload by adjusting the number of executors and cores. Use dynamic resource allocation to optimize resource usage. Implement these tips and watch your Spark jobs run faster and more efficiently! 🌟 For more such content on big data, follow me and stay tuned! 🌐🔔 #ApacheSpark #BigData
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PySpark | Hadoop | SQL | Python | Big Data | Azure | Databricks | Azure Data Factory | Data Lake Storage (ADLS) Gen2 | Hive | ETL | Machine Learning Engineer @ Tata Consultancy Services | Ex-Oracle | 🔥 Data Enthusiast
🚀 Boost Your Apache Spark Performance: Cache vs. Persist 🚀 If you're working with Apache Spark and looking to optimize your data processing workflows, understanding the difference between caching and persisting is crucial. Let's dive in! 🧠 🔍 Cache: What: Caching stores intermediate results directly in memory. How: Use RDD.cache(). Storage Level: By default, it uses MEMORY_ONLY. When to Use: Ideal for iterative algorithms or when accessing the same dataset multiple times within the same job. 🔍 Persist: What: Persisting offers more flexibility in storage levels. How: Use RDD.persist(). Storage Levels: Options include MEMORY_ONLY, MEMORY_AND_DISK, DISK_ONLY, and more. When to Use: Best when you need specific storage configurations or when working with large datasets that might not fit entirely in memory. ⚖️ Key Differences: Flexibility: Persist allows you to choose various storage levels. Default Behavior: Cache defaults to MEMORY_ONLY, whereas persist requires explicit specification of the storage level. 💡 Pro Tip: Use caching when memory is sufficient and your dataset is small to medium-sized. Opt for persisting with appropriate storage levels for larger datasets or when you face memory constraints. By strategically caching and persisting RDDs, you can significantly enhance the performance of your Spark applications, reduce execution time, and optimize resource utilization. 🌟 Happy Spark-ing! 🚀 For more such content on big data, follow me and stay tuned! 🌐🔔 #BigData #ApacheSpark #DataEngineering #PerformanceOptimization
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Data Engineer at Merkle Inc. | Skilled in Data Pipeline Architecture, ETL Development, and Cloud Platforms | Proficient in Python, GCP, AWS, Azure | Transforming Data into Business Value
🚀 Unlocking the Full Potential of Apache Spark: Why Most Are Failing at Optimization! ⚠️ Apache Spark is a powerful tool, but its real magic lies in optimization—a step many overlook. If your Spark jobs are running slow, consuming too many resources, or failing to scale, it’s likely because you’re not optimizing effectively. Here’s how to make the most of Apache Spark: 1. Leverage DataFrame API: Stick to DataFrame/Dataset APIs over RDDs. They enable Catalyst Optimizer and Tungsten execution engine, leading to more efficient queries. 2. Optimize Shuffles: Expensive operations like groupBy, reduceByKey, and join can cause shuffle bottlenecks. Use broadcast joins and repartition wisely. 3. Cache Strategically: Only cache data that is reused multiple times. Unnecessary caching can lead to memory issues. 4. Tweak Configurations: Tuning parameters like executor memory, parallelism, and shuffle partitions can have a massive impact. 5. Understand the Query Plan: Regularly check the query execution plan using explain(). This helps identify bottlenecks and optimize accordingly. In the world of big data, raw power is nothing without strategy. Don’t just run Spark—optimize it. 6. Utilize Predicate Pushdown: This optimization allows Spark to filter data at the source, reducing the amount of data transferred and processed, thus speeding up queries. 7. Avoid Unnecessary Shuffles - Shuffles are one of the most expensive operations in Spark. Be mindful of when you're introducing a shuffle, and try to structure your jobs to minimize them. What are your go-to Spark optimization tips? Share your thoughts! 💡 #ApacheSpark #BigData #Optimization #DataEngineering
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With the introduction of Comet, a new Spark SQL Accelerator built on Apache Arrow DataFusion, it's crucial to grasp the distinctions and efficiencies among various engines, including Blaze, Velox, Databricks Photon, and now Comet. This advancement reinforces the potential to enhance Apache Spark by optimizing query plans, leading to improved query runtimes.
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Sr. Software Engineer | Big Data & AWS Expert | Apache Hudi Specialist | Spark & AWS Glue| Data Lake Specialist | YouTuber
Data Lake to Microservices: Apache Hudi's Record Index, FastAPI, Spark Connect Code https://lnkd.in/ehe9agkU Step by Step guide https://lnkd.in/eWXSFReg Read More Unleashing the Power of Apache Spark Everywhere with Spark Connect https://lnkd.in/e9gwj82c Managing Massive Datasets with Lightning-Fast Upserts: RFC-08 Record Level Index https://lnkd.in/ecgNzwXk
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Actively looking for data analytics opportunities. Data Analyst | Azure Data Engineer | pyspark |Azure Cloud | SQL | Python | Azure Databricks | Apache Spark | Azure Factory | Azure dataLake | Data Warehousing | ETL |
✅ Hi All, Excited to Announce the completion of Apache Spark Caching In-Depth Module in the Ultimate Big Data Master's Program 🚀(Cloud Focused) by Sumit Mittal One thing that stood out to me in this module is the Hands-on Approach and the steady acceleration of complexity. #datascience #dataengineer #azuredataenginee Key concepts covered in the program: -Cache -How to access Spark UI and Resource Manager (YARN) -Caching RDDs, Dataframes and Spark Tables -Caching of Spark Tables -3 Layers of Data -2 kinds of file formats -Persist With this knowledge, I'm diving into Big Data with confidence and expertise.
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IT Manager @sa.fisiait (fisia italimpianti S.p.A) ℹ️ | Crafting & Securing Systems (Pen-testing)🔐 | Programmer👨🏻💻 | Web Developer & Designer 🖥️
Apache Spark is an #open_source unified #analytics_engine designed for #large-scale #data processing 💡⬆️
Unified engine for large-scale data analytics
spark.apache.org
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Data engineering professional | Python | PySpark | SQL | databricks | dbt | Snowflake |Data Vault| Azure | AWS | Docker | Kubernetes | ThoughtSpot | Machine Learning | Deep Learning | Fast API | NLP | Tableau
Excited to share that I've achieved certification in Apache Spark! 🚀 Mastering the Spark DataFrame API unlocks the data manipulation tasks within Spark sessions. These tasks include selecting, renaming and manipulating columns; filtering, dropping, sorting, and aggregating rows; handling missing data; combining, reading, writing and partitioning DataFrames with schemas; and working with UDFs and Spark SQL functions.. Beyond the API, I've delved into the fundamentals of Spark architecture, understanding execution modes, fault tolerance, and more. Ready to bring this expertise to the table! #ApacheSpark #Certification #DataManipulation #DataEngineering
Databricks Certified Associate Developer for Apache Spark 3.0 • Suresh Kumar Nelluri • Databricks Badges
credentials.databricks.com
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Apple has donated Comet Spark Plugin to Apache Arrow! Comet uses Apache Arrow DataFusion as native runtime to achieve improvement in terms of query efficiency and query runtime. Comet runs Spark SQL queries using the native DataFusion runtime, which is typically faster and more resource efficient than JVM based runtimes. #apache #arrow #datafusion #apachespark #rust #rustlang
Announcing Apache Arrow DataFusion Comet
arrow.apache.org
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