When this is set, the writer will flush every maxBufferedDocs added documents. Pass in {@link #DISABLE_AUTO_FLUSH} to prevent triggering a flush due to number of buffered documents. Note that if flushing by RAM usage is also enabled, then the flush will be triggered by whichever comes first.
Disabled by default (writer flushes by RAM usage).
IndexWriter Class | Lucene.Net.Index Namespace | setRAMBufferSizeMB