[ https://issues.apache.org/jira/browse/LUCENENET-107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12558225#action_12558225 ] Digy commented on LUCENENET-107: -------------------------------- Most of the time of searching&sorting is spent in warming up the cache (FieldCacheImpl.Cache.Get.CreateValue). Should there be a new method or parameter forcing not to cache the terms and just do the sort if IndexSearcher(or IndexReader) is to be used just once? DIGY > Search while sorting is slow > ---------------------------- > > Key: LUCENENET-107 > URL: https://issues.apache.org/jira/browse/LUCENENET-107 > Project: Lucene.Net > Issue Type: Bug > Environment: Lucene.Net 2.1 > Reporter: Digy > Attachments: TestSort.rar > > > Mark wrote: > " > I have an index that when i search for term with out sorting the results are returned in .7 seconds or less. When I choose to search with a column chosen for sorting the results will return in 7 - 10 seconds. The larger the # of hits the longer it takes when sorting. The fields that can be sorted on are unique to the document,stored in the index as un_tokenized. I am using lucene.net 2.0. Index size is normally around 2.5 gig but i have the same problem on a 500 meg index too. Has anyone else experienced this? > Any help will be greatly appreciated. > Thanks, > Mark Burks > " > I have prepared a test case where TestIndex contains ~200000 docs. > a) making a search and then sorting the (500)results (I used SortedDictionary for sorting) takes ~140 msec. > b) making a search with Lucene's Sort takes ~6046 msec. > So, there is something to be fixed in Lucene.Net > DIGY -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.