This strategy ensures there is no conflict between reading writing indexes. ![]() Furthermore, this strategy also allows Lucene to avoid complex B-trees to store segments. Instead, all segments will be stored in flat files. Indexing with Lucene breaks down into three main operations: extracting text from source documents, analyzing it, and saving it to the index Typically we can divide indexing documents into two distinct procedures, extracting text and creating index (Figure 2).įigure 2. In extracting procedure, it is common to use a versatile parser that can extract textual contents from documents. One of widely known tools we can use to parse documents is Apache Tika. When parsing completes, we will have an input stream that needs to be indexed.
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