HBase MemStore The MemStore is a write buffer where HBase accumulates data in memory before a permanent write. Its contents are flushed…
Tag:
hdfs
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Pig Data Types Apache Pig supports many data types. A list of Apache Pig Data Types with description and examples are given…
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HBase Read A read against HBase must be reconciled between the HFiles, MemStore & BLOCKCACHE.The BlockCache is designed to keep frequently accessed…
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Pig Latin The Pig Latin is a data flow language used by Apache Pig to analyze the data in Hadoop. It is…
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HBase Write When a write is made, by default, it goes into two places: write-ahead log (WAL), HLog, and in-memory write buffer,…
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Apache Pig Run Modes Apache Pig executes in two modes: Local Mode and MapReduce Mode. Local Mode It executes in a single…
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Hadoop Installation Environment required for Hadoop: The production environment of Hadoop is UNIX, but it can also be used in Windows using…
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Hadoop Tutorial Hadoop tutorial provides basic and advanced concepts of Hadoop. Our Hadoop tutorial is designed for beginners and professionals. Hadoop is…
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