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The "IndexStructure" page has been changed by SebastianNagel: https://wiki.apache.org/nutch/IndexStructure?action=diff&rev1=20&rev2=21 Comment: Add field 'id' (cf. NUTCH-1708) The index structure formed after indexing is shown below : - ||'''Field Name'''||'''Stored'''||'''Index'''|| '''Plugin/Class''' ||'''Comment'''|| '''version'''|| + ||'''Field Name'''||'''Stored'''||'''Index'''|| '''Plugin/Class''' ||'''Comment'''||<-2> '''version'''|| || || || || || || '''1.x''' || '''2.x''' || + || id || YES || Indexed, Un-Tokenized || [[http://nutch.apache.org/apidocs/apidocs-1.8/org/apache/nutch/indexer/IndexerMapReduce.html|IndexerMapReduce]]/[[http://nutch.apache.org/apidocs/apidocs-2.2.1/org/apache/nutch/indexer/IndexUtil.html|IndexUtil]] || '''URL''' used as '''ID''' to update and delete documents || X || X || || boost || YES || Not Indexed || various scoring plugins || Adds a '''score''' value field to a particular document. This is allocated based upon its importance within the webgraph. || ? || ? || || digest || YES || Not Indexed || org.apache.nutch.indexer.IndexerMapReduce.java || Adds a '''message digest''' field to a document. Can be MD5 over content and headers or more sophisticated text profile of the content. || ? || ? || || lang || YES || Un-Tokenized || language-identifier || Add a '''lang''', language field to a document.|| ? || ? ||
