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@clintropolis clintropolis released this Aug 16, 2019 · 769 commits to master since this release

Apache Druid 0.15.1-incubating is a bug fix release that includes important fixes for Apache Zookeeper based segment loading, the 'druid-datasketches' extension, and much more.

Bug Fixes

Coordinator

#8137 coordinator throwing exception trying to load segments (fixed by #8140)

Middlemanager

#7886 Middlemanager fails startup due to corrupt task files (fixed by #7917)
#8085 fix forking task runner task shutdown to be more graceful

Queries

#7777 timestamp_ceil function is either wrong or misleading (fixed by #7823)
#7820 subtotalsSpec and filtering returns no results (fixed by #7827)
#8013 Fix ExpressionVirtualColumn capabilities; fix groupBy's improper uses of StorageAdapter#getColumnCapabilities.

API

#6786 apache-druid-0.13.0-incubating router /druid/router/v1/brokers (fixed by #8026)
#8044 SupervisorManager: Add authorization checks to bulk endpoints.

Metrics Emitters

#8204 HttpPostEmitter throw Class cast exception when using emitAndReturnBatch (fixed by #8205)

Extensions
Datasketches

#7666 sketches-core-0.13.4
#8055 force native order when wrapping ByteBuffer

Kinesis Indexing Service

#7830 Kinesis: Fix getPartitionIds, should be checking isHasMoreShards.

Moving Average Query

#7999 Druid moving average query results in circular reference error (fixed by #8192)

Documentation Fixes

#8002 Improve pull-deps reference in extensions page.
#8003 Add missing reference to Materialized-View extension.
#8079 Fix documentation formatting
#8087 fix references to bin/supervise in tutorial docs

Updating from 0.15.0-incubating and earlier

Due to issue #8137, when updating from specifically 0.15.0-incubating to 0.15.1-incubating, it is recommended to update the Coordinator before the Historical servers to prevent segment unavailability during an upgrade (this is typically reversed). Upgrading from any version older than 0.15.0-incubating does not have these concerns and can be done normally.

Known Issues

Building Docker images is currently broken and will be fixed in the next release, see #8054 which is fixed by #8237 for more details.

Credits

Thanks to everyone who contributed to this release!

@AlexanderSaydakov
@ArtyomyuS
@ccl0326
@clintropolis
@gianm
@himanshug
@jihoonson
@legoscia
@leventov
@pjain1
@yurmix
@xueyumusic

Apache Druid (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.

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