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Posted to issues@kylin.apache.org by "Shaofeng SHI (JIRA)" <ji...@apache.org> on 2016/02/02 10:31:40 UTC
[jira] [Created] (KYLIN-1393) Streaming: add a parameter for
"max-gap-to-fill" at cube level
Shaofeng SHI created KYLIN-1393:
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Summary: Streaming: add a parameter for "max-gap-to-fill" at cube level
Key: KYLIN-1393
URL: https://issues.apache.org/jira/browse/KYLIN-1393
Project: Kylin
Issue Type: Improvement
Components: streaming
Affects Versions: v2.0
Reporter: Shaofeng SHI
Fix For: v2.1
When there is a gap (or say hole) be found in a streaming cube, kylin will try to build a segment for that gap at one time; If the gap is big, it may not be able to finish the building in-memory. So kylin should provide a configurable max-gap-to-fill at the cube level, user can customize that by evaluating the speed that data comes. Then a big gap will be splitted as several small gaps which can be built in sequence.
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