It does not seem to be memory footprint also ? looks too high for my index.
./zahoor On 20-May-2013, at 10:55 PM, Jason Hellman <jhell...@innoventsolutions.com> wrote: > Most definitely not the number of unique elements in each segment. My 32 > document sample index (built from the default example docs data) has the > following: > > entry#0: > 'StandardDirectoryReader(segments_b:29 _8(4.2.1):C32)'=>'manu_exact',class > org.apache.lucene.index.SortedDocValues,0.5=>org.apache.lucene.search.FieldCacheImpl$SortedDocValuesImpl#1778857102 > > There is no chance for there to be 1.8 billion unique elements in that index. > > On May 20, 2013, at 1:20 PM, Erick Erickson <erickerick...@gmail.com> wrote: > >> Not sure, never had to worry about what they are...... >> >> On Mon, May 20, 2013 at 12:28 PM, J Mohamed Zahoor <zah...@indix.com> wrote: >>> >>> What is the number at the end? >>> is it the no of unique elements in each segment? >>> >>> ./zahoor >>> >>> >>> On 20-May-2013, at 7:37 PM, Erick Erickson <erickerick...@gmail.com> wrote: >>> >>>> Because the same field is split amongst a number of segments. If you >>>> look in the index directory, you should see files like _3fgm.* and >>>> _3ffm.*. Each such group represents one segment. The number of >>>> segments changes with merging etc. >>>> >>>> Best >>>> Erick >>>> >>>> On Mon, May 20, 2013 at 6:43 AM, J Mohamed Zahoor <zah...@indix.com> wrote: >>>>> Hi >>>>> >>>>> Why is that lucene field cache has multiple entries for the same field >>>>> S_24. >>>>> It is a dynamic field. >>>>> >>>>> >>>>> 'SegmentCoreReader(owner=_3fgm(4.2.1):C7681)'=>'S_24',double,org.apache.lucene.search.FieldCache.NUMERIC_UTILS_DOUBLE_PARSER=>org.apache.lucene.search.FieldCacheImpl$DoublesFromArray#1174240382 >>>>> >>>>> 'SegmentCoreReader(owner=_3ffm(4.2.1):C1596758)'=>'S_24',double,org.apache.lucene.search.FieldCache.NUMERIC_UTILS_DOUBLE_PARSER=>org.apache.lucene.search.FieldCacheImpl$DoublesFromArray#83384344 >>>>> >>>>> 'SegmentCoreReader(owner=_3fgh(4.2.1):C2301)'=>'S_24',double,org.apache.lucene.search.FieldCache.NUMERIC_UTILS_DOUBLE_PARSER=>org.apache.lucene.search.FieldCacheImpl$DoublesFromArray#1281331764 >>>>> >>>>> >>>>> Also, the number at the end.. does it specified the no of entries in that >>>>> cache bucket? >>>>> >>>>> ./zahoor >>> >
