Hi,
 I have requirement of updating search index and it results in creation of lots of index files as well as size is also getting increased. I create index writer with autocommit true and create false

directory = FSDirectory.getDirectory(indexDir);
docWriter = new IndexWriter(directory, true, analyzer, false);

The index gets updated in specified period of time. At the end of update, I use following methods to refresh it

IndexReader newReader = reader.reopen();
//Old reader is updated
reader = newReader;

However above steps resulted in creating lots of files.

segments.gen
segments_c5
_4t.cfs
_5i.cfs
_5v.cfs
_5w.cfs

And also lots of duplicate entries keep of increasing. In order to avoid duplicate, I have developed a customized method to remove duplicates in index. However still number and size of index gets increased, though actual update is very few.

Appreciate your help on this.

regards,
RB

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