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| Summary: |
Significantly slower times on SOLR sync on XWiki 17.10.2 compared to XWiki 16.10.16 |
| Issue Type: |
 Bug |
| Affects Versions: |
17.10.2 |
| Assignee: |
Unassigned |
| Components: |
Search - Solr |
| Created: |
20/Jan/26 13:42 |
| Environment: |
Windows 11 Pro, Firefox 147, using an instance of XWiki 17.10.2 on Jetty/ HSQL, Java 21 |
| Priority: |
 Blocker |
| Reporter: |
Ilie Andriuta |
| Description: |
Steps to reproduce
- Start XWiki first, wait for the server to initialize, then stop the instance
- Delete the <permdir>\data\cache\solr\search_9 from the instance's folder
- Start XWiki again and access the instance on the browser
- Right after the log:
2026-01-20 13:13:33,658 [solr/indexer job group daemon thread - org.xwiki.search.solr.internal.job.IndexerJob@5846f54a([solr, indexer])] INFO o.x.s.s.i.j.IndexerJob - Finished job of type [solr.indexer] with identifier [[solr, indexer]]
open <permdir>\data\jobs\solr\indexer\status.xml
- Read the last “elapsedTime” value from </progress> section
- Start XWiki again, this time without deleting anything from the data\cache\solr folder
- After the same log from Step 4, read the last “elapsedTime” value from </progress> section as well
Expected results The elapsed time for SOLR sync is short, e.g. on XWiki 16.10.16:
- SOLR sync when index is empty - on XWiki 16.10.16: 1.51 sec
- SOLR sync when there is nothing to do - on XWiki 16.10.16: 502 ms
Actual results On XWiki 17.10.2, the times are significantly higher:
- SOLR sync when index is empty: 30.96 sec
- SOLR sync when there is nothing to do: 860 ms
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