* Update blueprint dependencies & LICENSES
* Switch to bp4 namespace; use bp-ns variable in overrides
* Add webpack alias for colors.scss
* Snapshots
* Update selectors in e2e tests
amazon-kinesis-client was not covered undered the apache license and required separate insertion in the kinesis extension.
This can now be avoided since it is covered, and including it within druid helps prevent incompatibilities.
Allows enabling of deaggregation out of the box by packaging amazon-kinesis-client (1.14.4) with druid for kinesis ingestion.
The current default value of inputSegmentSizeBytes is 400MB, which is pretty
low for most compaction use cases. Thus most users are forced to override the
default.
The default value is now increased to Long.MAX_VALUE.
listShards API was used to get all the shards for kinesis ingestion to improve its resiliency as part of #12161.
However, this may require additional permissions in the IAM policy where the stream is present. (Please refer to: https://docs.aws.amazon.com/kinesis/latest/APIReference/API_ListShards.html).
A dynamic configuration useListShards has been added to KinesisSupervisorTuningConfig to control the usage of this API and prevent issues upon upgrade. It can be safely turned on (and is recommended when using kinesis ingestion) by setting this configuration to true.
* Counting nulls in String cardinality with a config
* Adding tests for the new config
* Wrapping the vectorize part to allow backward compatibility
* Adding different tests, cleaning the code and putting the check at the proper position, handling hasRow() and hasValue() changes
* Updating testcase and code
* Adding null handling test to improve coverage
* Checkstyle fix
* Adding 1 more change in docs
* Making docs clearer
* Docs: Masking S3 creds and some rewording
Knowledge transfer from https://groups.google.com/g/druid-user/c/FydcpFrA688
* Removed bold in one of the quote sections
* Update s3.md
* Update s3.md
Quick grammar change
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* Update docs/development/extensions-core/s3.md
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* Update docs/ingestion/native-batch.md
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* Update docs/ingestion/native-batch.md
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* Update s3.md
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* Grammar tidy-up and link fix
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* Update math-expr.md
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* Update ingestion-spec.md
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The `javaOpts` property is being read from task context but not `javaOptsArray`.
Changes:
- Read `javaOptsArray` from task context in `ForkingTaskRunner`.
- Add test to verify that `javaOptsArray` in task context takes precedence over `javaOpts`
* Store null columns in the segments
* fix test
* remove NullNumericColumn and unused dependency
* fix compile failure
* use guava instead of apache commons
* split new tests
* unused imports
* address comments
Parallel indexing with range partitioning can often cause OOM in the
`ParallelIndexSupervisorTask` during the dimension distribution phase.
This typically happens because of too many `StringSketch` objects
obtained from the different `partial_dimension_distribution` sub-tasks.
We need not keep any of the sketches in memory until we need to compute
the PartitionBoundaries for the respective interval.
Changes
- Extract `StringDistribution` from `DimensionDistributionReport`s when they are received
and write to disk inside the task/temp/distributions
- After all the subtasks have finished, iterate over all the intervals one by one
- For each interval, read the distributions from disk, merge them and create `PartitionBoundaries`.
- Cleanup task/temp/distributions directory when all `PartitionBoundaries` have been determined
Added Calcites InQueryThreshold as a query context parameter. Setting this parameter appropriately reduces the time taken for queries with large number of values in their IN conditions.
* remove use of reflection in EnvironmentVariableDynamicConfigProvider for Java 17 compatibility
* fix mocks mock objects not getting closed properly, causing issues with Java 17
* remove use of deprecated methods and rules in tests
the version of com.nimbusds:oauth2-oidc-sdk we depend on does not
specific an exact version dependency for com.nimbusds:lang-tag, and
instead uses a version range (see
https://search.maven.org/artifact/com.nimbusds/oauth2-oidc-sdk/6.5/jar)
Recently a new version of lang-tag was released requiring us to update
the license file accordingly.
* finds complete and active tasks from the same snapshot
* overlord resource
* unit test
* integration test
* javadoc and cleanup
* more cleanup
* fix test and add more
The latest version of Error Prone now requires Java 11. Upgrading means we can
remove a lot of the maven profile complexity required to run checks with Java 8.
This also requires switching our strict build to use Java 11.
* update error-prone to 2.11
* remove need for specific maven profiles for Java 8 and Java 15
* fix additional Error Prone warnings with Java 11
* update strict build to use Java 11
* Adding null handling for double mean aggregator
* Updating code to handle nulls in DoubleMean aggregator
* oops last one should have checkstyle issues. fixed
* Updating some code and test cases
* Checking on object is null in case of numeric aggregator
* Adding one more test to improve coverage
* Changing one test as asked in the review
* Changing one test as asked in the review for nulls
* kubernetes: restart watch on null response
Kubernetes watches allow a client to efficiently processes changes to
resources. However, they have some idiosyncrasies. In particular, they
can error out for various reasons leading to what would normally be seen
as an invalid result.
The Druid kubernetes node discovery subsystem does not handle a certain
case properly. The watch can return an item with a null object. These
leads to a null pointer exception. When this happens, the provider needs
to restart the watch, because rerunning the watch from the same resource
version leads to the same result: yet another null pointer exception.
This commit changes the provider to handle null objects by restarting
the watch.
* review: add more coverage
This adds a bit more coverage to the K8sDruidNodeDiscoveryProvider watch
loop, and removes an unnecessay return.
* kubernetes: reduce logging verbosity
The log messages about items being NULL don't really deserve to be at a
level other than DEBUG since they are not actionable, particularly since
we automatically recover now. Move them to the DEBUG level.
* Fix error message for groupByEnableMultiValueUnnesting.
It referred to the incorrect context parameter.
Also, create a dedicated exception class, to allow easier detection of this
specific error.
* Fix other test.
* More better error messages.
* Test getDimensionName method.
Add config for eager / lazy connection initialization in ResourcePool
Description
Currently, when multiple tasks are launched, each of them eagerly initializes a full pool's worth of connections to the coordinator.
While this is acceptable when the parameter for number of eagerConnections (== maxSize) is small, this can be problematic in environments where it's a large value (say 1000) and multiple tasks are launched simultaneously, which can cause a large number of connections to be created to the coordinator, thereby overwhelming it.
Patch
Nodes like the broker may require eager initialization of resources and do not create connections with the Coordinator.
It is unnecessary to do this with other types of nodes.
A config parameter eagerInitialization is added, which when set to true, initializes the max permissible connections when ResourcePool is initialized.
If set to false, lazy initialization of connection resources takes place.
NOTE: All nodes except the broker have this new parameter set to false in the quickstart as part of this PR
Algorithm
The current implementation relies on the creation of maxSize resources eagerly.
The new implementation's behaviour is as follows:
If a resource has been previously created and is available, lend it.
Else if the number of created resources is less than the allowed parameter, create and lend it.
Else, wait for one of the lent resources to be returned.
Currently, the CNF conversion of a filter is unbounded, which means that it can create as many filters as possible thereby also leading to OOMs in historical heap. We should throw an error or disable CNF conversion if the filter count starts getting out of hand. There are ways to do CNF conversion with linear increase in filters as well but that has been left out of the scope of this change since those algorithms add new variables in the predicate - which can be contentious.
* Tombstone support for replace functionality
* A used segment interval is the interval of a current used segment that overlaps any of the input intervals for the spec
* Update compaction test to match replace behavior
* Adapt ITAutoCompactionTest to work with tombstones rather than dropping segments. Add support for tombstones in the broker.
* Style plus simple queriableindex test
* Add segment cache loader tombstone test
* Add more tests
* Add a method to the LogicalSegment to test whether it has any data
* Test filter with some empty logical segments
* Refactor more compaction/dropexisting tests
* Code coverage
* Support for all empty segments
* Skip tombstones when looking-up broker's timeline. Discard changes made to tool chest to avoid empty segments since they will no longer have empty segments after lookup because we are skipping over them.
* Fix null ptr when segment does not have a queriable index
* Add support for empty replace interval (all input data has been filtered out)
* Fixed coverage & style
* Find tombstone versions from lock versions
* Test failures & style
* Interner was making this fail since the two segments were consider equal due to their id's being equal
* Cleanup tombstone version code
* Force timeChunkLock whenever replace (i.e. dropExisting=true) is being used
* Reject replace spec when input intervals are empty
* Documentation
* Style and unit test
* Restore test code deleted by mistake
* Allocate forces TIME_CHUNK locking and uses lock versions. TombstoneShardSpec added.
* Unused imports. Dead code. Test coverage.
* Coverage.
* Prevent killer from throwing an exception for tombstones. This is the killer used in the peon for killing segments.
* Fix OmniKiller + more test coverage.
* Tombstones are now marked using a shard spec
* Drop a segment factory.json in the segment cache for tombstones
* Style
* Style + coverage
* style
* Add TombstoneLoadSpec.class to mapper in test
* Update core/src/main/java/org/apache/druid/segment/loading/TombstoneLoadSpec.java
Typo
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* Update docs/configuration/index.md
Missing
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* Typo
* Integrated replace with an existing test since the replace part was redundant and more importantly, the test file was very close or exceeding the 10 min default "no output" CI Travis threshold.
* Range does not work with multi-dim
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* add topn heap optimization when string is dictionary encoded, but not uniquely
* use array instead
* is same
* fix javadoc
* fix
* Update StringTopNColumnAggregatesProcessor.java
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