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When removing a dynamic lookup spec by sending a "DELETE" action to the respective coordinator endpoint, the historicals update their lookupSnapshot.json snapshot accordingly.
However, when posting a…
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cker', binaryVersion='9'}]}].
2017-12-28T08:16:15,718 INFO [task-runner-0-priority-0] io.druid.indexing.overlord.TaskRunnerUtils - Task [index_hadoop_wikiticker_2017-12-28T08:15:04.474Z] status chang…
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Apache Druid 0.15.0-incubating contains over 250 new features, performance/stability/documentation improvements, and bug fixes from 39 contributors. Major new features and improvements include:
* N…
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# Use kafka-0.10.2.0 status is exception :
WARN [pool-18-thread-2] io.druid.emitter.kafka.KafkaEmitter - Failed to take record from queue!
java.lang.InterruptedException at java.util.concurre…
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Currently, JDBCExtractionNamespace requires table, key column, and value column names.
Then, it makes query like "select keyColumn, valueColumn from table" and issues it through JDBC interface.
If we …
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1.) I set druid.lookup.lookupTierIsDatasource=true in the Druid configuration. No druid.lookup.lookupTier property exists.
2.) I populate the lookup table's key:value pairs.
3.) I register a Loo…
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This feature comes from http://druid.io/docs/latest/querying/lookups.html
**Use Case:**
Have dimension -> values mapping at query time. In real world we can have small set of mappings approx 10 -…
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Currently, namespace configuration of namespaced lookup is static as it should be specified in the runtime properties file.
I think it would be beneficial if we can also add namespace dynamically
beca…
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Currently, Druid assumes that all dimensions have string values and are associated with a bitmap index.
There has been interest in loosening these constraints to support use cases that blur the exist…
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Right now extraction functions only work on one input.
I would like to express something like:
``` sql
SELECT CONCAT(`country`, "->", `city`) AS "place", COUNT(*) AS "count"
FROM wikipedia
GROUP BY …