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https://issues.apache.org/jira/browse/OAK-5421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15810770#comment-15810770
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Chetan Mehrotra commented on OAK-5421:
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Benchmark results pre change
{noformat}
Oak-Segment-Tar-DS 5 43 52 67 100 1411
3575 3203112 5003 21864 #nrt,oakCodec,numIdxs:10
Oak-Segment-Tar-DS 5 85 124 165 247 1486
1592 2731428 2194 9756 #sync,oakCodec,numIdxs:10
Oak-Mongo-DS 5 98 155 206 324 2233
1174 676113 2775 7236 #nrt,oakCodec,numIdxs:10
Oak-Mongo-DS 5 128 189 274 490 2042
939 951171 1758 5778 #sync,oakCodec,numIdxs:10
{noformat}
Post change
{noformat}
Oak-Segment-Tar-DS 5 45 52 66 93 1412
3665 3509794 5108 22470 #nrt,oakCodec,numIdxs:10
Oak-Segment-Tar-DS 5 65 96 127 191 934
2090 2593118 2862 12828 #sync,oakCodec,numIdxs:10
Oak-Mongo-DS 5 76 123 184 289 2179
1351 928686 3133 8310 #nrt,oakCodec,numIdxs:10
Oak-Mongo-DS 5 112 171 229 392 1853
1080 541634 2522 6666 #sync,oakCodec,numIdxs:10
{noformat}
As can be seen for sync case this approach provides better performance numbers
> Add LuceneDoc directly to queue from LuceneIndexEditor
> ------------------------------------------------------
>
> Key: OAK-5421
> URL: https://issues.apache.org/jira/browse/OAK-5421
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: lucene
> Reporter: Chetan Mehrotra
> Assignee: Chetan Mehrotra
> Fix For: 1.5.18, 1.6
>
>
> Currently the LuceneDoc is created from {{LuceneIndexEditor}} and added to
> {{LuceneDocumentHolder}}. From there its added to queue in
> LocalIndexObserver.
> This can be improved by adding the document directly to DocumentQueue which
> would help in sync index where the document would get added to index by the
> time commit completes and reaches observer stage and LocalIndexObserver would
> not have to wait for indexing to complete.
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