Explanation:Lucene supports random-writable and advance-able sparse bitsets. 4. Heap usage during IndexWriter merging is also much lower with the new :
A. LucCodec
B. Lucene50Codec
C. Lucene20Cod
D. All of the mentioned
Answer:A
Explanation:Lucene supports random-writable and advance-able sparse bitsets. 4. Heap usage during IndexWriter merging is also much lower with the new :
A. LucCodec B. Lucene50Codec C. Lucene20Cod D. All of the mentioned
Explanation:Doc values and norms for the segments being merged are no longer fully loaded into heap for all fields 5. Point out the wrong statement :