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Indexing Options
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These options are available only when the text source under Quick tab is set to Files or Spreadsheet.
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Document upload
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Backoff retries: Use this option to specify the number of times the node will retry, indexing of a document if the server is too busy.
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Backoff time (sec) : Use this option to specify the duration, the node will wait, to retry indexing of a document if the server is too busy.
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Max. deg. of Parallelism : Use this option to specify the maximum number of bulk request alive at a time.
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Bulk request size : Use this option to specify the number of documents to send per bulk request.
Note: The indexing performance depends mainly on the total size of documents attempted at a time. The general recommendation for good performance is to keep a single request size to 20 MB, for example if you have documents about 1 MB in size each, then, you can use 5 for Bulk request size and 4 for max degree of parallelism so that the combination leads to 20 MB of documents indexed at a time.
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Overwrite existing index
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Select this option to overwrite, if the index with same name (specified in connection tab) already exists on Elasticsearch server.
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Delete Index on completion
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Select this option to delete the index created by the node at the end of the analysis.
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Elasticsearch request options
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Http request timeout (sec)
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Use this option to specify the time the server will wait before failing a request.
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