Great, because that's prob the main optimation spot we have. I also
made things a bit difficult with the 50 merge factory. I'll try a 10
later.
- Mark
On Dec 9, 2008, at 9:20 AM, "Marvin Humphrey (JIRA)" <[EMAIL PROTECTED]>
wrote:
[ https://issues.apache.org/jira/browse/LUCENE-1483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12654805#action_12654805
]
Marvin Humphrey commented on LUCENE-1483:
-----------------------------------------
Quick micro bench - did it twice and both times came out 17% slower.
I'd guess that all the OO construction/destruction costs in this
part of your patch are slowing things down.
{code}
+ Searchable[] searchers = new Searchable[readers.length];
+ for(int i = 0; i < readers.length; i++) {
+ searchers[i] = new IndexSearcher(readers[i]);
+ }
+
+ MultiSearcher multiSearcher = new MultiSearcher(searchers);
+ return multiSearcher.search(weight, filter, nDocs, sort);
{code}
Change IndexSearcher to use MultiSearcher semantics for sorted
searches
---
--------------------------------------------------------------------
Key: LUCENE-1483
URL: https://issues.apache.org/jira/browse/LUCENE-1483
Project: Lucene - Java
Issue Type: Improvement
Affects Versions: 2.9
Reporter: Mark Miller
Priority: Minor
Attachments: LUCENE-1483.patch
Here is a quick test patch. FieldCache for sorting is done at the
individual IndexReader level and reloading the fieldcache on reopen
can be much faster as only changed segments need to be reloaded.
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