Index Compression Dictionary Compression Dictionary storage- first cut Array of fixed-width entries r400,000 terms; 28 bytes/term=11.2 MB Terms Freq Postings ptr. 656265 aachen zulu 221 Dictionary search 20 bytes 4 bytes each structureIndex Compression 19 Dictionary storage - first cut ▪ Array of fixed-width entries ▪ ~400,000 terms; 28 bytes/term = 11.2 MB. Terms Freq. Postings ptr. a 656,265 aachen 65 …. …. zulu 221 Dictionary search structure 20 bytes 4 bytes each Dictionary Compression