Ali Nazemian created METRON-1677:
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Summary: UUIDv4 GUID is not Lucene friendly
Key: METRON-1677
URL: https://issues.apache.org/jira/browse/METRON-1677
Project: Metron
Issue Type: Bug
Reporter: Ali Nazemian
Using UUIDv4 by UUID.randomUUID() in Java is not Lucene friendly and impacts
Elasticsearch and Solr indexing/search performance and makes it unpredictable
sometimes.
http://blog.mikemccandless.com/2014/05/choosing-fast-unique-identifier-uuid.html
Moreover, specifying doc id at the client side will impact indexing throughput
due to enabling Elasticsearch deduplication policy and changing insert to
upsert. Hence, indexing throughput can be increased by providing an ability to
disable ID generation at the client side. Currently, the way ID is generated
can be overwritten at the config level by replacing Metron default guid via
Stellar, but it is not possible to disable it completely to let Elasticsearch
decide what ID can be used for the corresponding document.
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