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https://issues.apache.org/jira/browse/LUCENE-2324?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Rutherglen updated LUCENE-2324:
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Attachment: test.out
Here's the latest test.out. There's a lot of these:
{code}
[junit] junit.framework.AssertionFailedError: IndexFileDeleter doesn't know
about file _5.fdt
[junit] at
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1156)
[junit] at
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1088)
[junit] at
org.apache.lucene.index.IndexWriter.filesExist(IndexWriter.java:3273)
[junit] at
org.apache.lucene.index.IndexWriter.startCommit(IndexWriter.java:3321)
[junit] at
org.apache.lucene.index.IndexWriter.prepareCommit(IndexWriter.java:2339)
[junit] at
org.apache.lucene.index.IndexWriter.commitInternal(IndexWriter.java:2410)
[junit] at
org.apache.lucene.index.IndexWriter.closeInternal(IndexWriter.java:1083)
[junit] at
org.apache.lucene.index.IndexWriter.close(IndexWriter.java:1027)
[junit] at
org.apache.lucene.index.IndexWriter.close(IndexWriter.java:991)
[junit] at
org.apache.lucene.index.TestAddIndexes.testMergeAfterCopy(TestAddIndexes.java:432)
{code}
> Per thread DocumentsWriters that write their own private segments
> -----------------------------------------------------------------
>
> Key: LUCENE-2324
> URL: https://issues.apache.org/jira/browse/LUCENE-2324
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Index
> Reporter: Michael Busch
> Assignee: Michael Busch
> Priority: Minor
> Fix For: Realtime Branch
>
> Attachments: LUCENE-2324-SMALL.patch, LUCENE-2324-SMALL.patch,
> LUCENE-2324-SMALL.patch, LUCENE-2324-SMALL.patch, LUCENE-2324-SMALL.patch,
> lucene-2324.patch, lucene-2324.patch, LUCENE-2324.patch, test.out, test.out,
> test.out
>
>
> See LUCENE-2293 for motivation and more details.
> I'm copying here Mike's summary he posted on 2293:
> Change the approach for how we buffer in RAM to a more isolated
> approach, whereby IW has N fully independent RAM segments
> in-process and when a doc needs to be indexed it's added to one of
> them. Each segment would also write its own doc stores and
> "normal" segment merging (not the inefficient merge we now do on
> flush) would merge them. This should be a good simplification in
> the chain (eg maybe we can remove the *PerThread classes). The
> segments can flush independently, letting us make much better
> concurrent use of IO & CPU.
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