Ryan Merriman created METRON-498:
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Summary: Yaf doesn't pick up updated patterns from the hdfs
Key: METRON-498
URL: https://issues.apache.org/jira/browse/METRON-498
Project: Metron
Issue Type: Bug
Reporter: Ryan Merriman
Assignee: Ryan Merriman
Grok patterns are kept in HDFS and referenced by path in a Zookeeper config
property. There is no way to update a pattern and have that change seen in the
ParserBolt without restarting the topology.
As discussed on the dev list, a better approach is to instead store the grok
patterns directly in zookeeper. The requirements mentioned in that discussion:
- pattern files removed from HDFS and classpath
- update to grok pattern in zookeeper is immediately applied in bolt
- ability to easily edit the pattern
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