Vladimir Prus created ZEPPELIN-5293:
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Summary: Search index rebuild blocks everything
Key: ZEPPELIN-5293
URL: https://issues.apache.org/jira/browse/ZEPPELIN-5293
Project: Zeppelin
Issue Type: Bug
Affects Versions: 0.9.0
Reporter: Vladimir Prus
Suppose that you have 10K notebooks stored on S3. Set
zeppelin.search.index.rebuild to true in options and restart Zeppelin.
Expected effect: notes are indexes in the background.
Observed effect: Zeppelin is not usable for 30 minutes. UI only shows
navigation bar. All the threads are blocked waiting for Notebook instance to
appear.
It appears that Notebook's constructor calls LuceneSearch.startRebuildIndex,
and it creates a thread and then *joins* it. So, until indexing finishes,
nothing works.
I am unsure that this thread.join is warranted - maybe it can be just removed?
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