* Broker backpressure.
Adds a new property "druid.broker.http.maxQueuedBytes" and a new context
parameter "maxQueuedBytes". Both represent a maximum number of bytes queued
per query before exerting backpressure on the channel to the data server.
Fixes#4933.
* Fix query context doc.
* Rename io.druid to org.apache.druid.
* Fix META-INF files and remove some benchmark results.
* MonitorsConfig update for metrics package migration.
* Reorder some dimensions in inner queries for some reason.
* Fix protobuf tests.
* Cache: Add maxEntrySize config.
The idea is this makes it more feasible to cache query types that
can potentially generate large result sets, like groupBy and select,
without fear of writing too much to the cache per query.
Includes a refactor of cache population code in CachingQueryRunner and
CachingClusteredClient, such that they now use the same CachePopulator
interface with two implementations: one for foreground and one for
background.
The main reason for splitting the foreground / background impls is
that the foreground impl can have a more effective implementation of
maxEntrySize. It can stop retaining subvalues for the cache early.
* Add CachePopulatorStats.
* Fix whitespace.
* Fix docs.
* Fix various tests.
* Add tests.
* Fix tests.
* Better tests
* Remove conflict markers.
* Fix licenses.
- Setting druid.request.logging.delegate has no effect.
- The provider is injected based on a type parameter & this looks to be scoped to delegate for filtered loggers
* Anonymous authenticator that authenticates all requests and then directs them to an authorizer.
* Adding documentation
* Removed some fields from class AnonymousAuthenticator
* Updating docs
* fix freeSpacePercent in segmentCache.locations
* the check should probably test the other way around
* documentation should put the option in the right place
* examples have a superfluous backslash
* add test to verify correct behavior
* switch to Path and test with jimfs
Path allows to use different filesystems.
Jimfs provides an actual (in memory) filesystem.
This also allows more complex test scenarios.
The behavior should be unchanged by this commit.
* Revert "switch to Path and test with jimfs"
This reverts commit 8b9a418d65.
* add default caffeine cache size based on runtime Xmx or max 1GB
* update docs for caffeine cache
* fix formatting
* test caffeine size should never be less than 0
* set caffeine max default size to 1G not 1M
* fix caffeine cache tests
* Update defaultHadoopCoordinates in documentation.
To match changes applied in #5382.
* Remove a parameter with defaults from example configuration file.
If it has reasonable defaults, then why would it be in an example config file?
Also, it is yet another place that has been forgotten to be updated and will be forgotten in the future.
Also, if someone is running different hadoop version, then there's much more work to be done than just changing this property, so why give users false hopes?
* Fix typo in documentation.
* Add config to allow setting up custom unsecured paths for druid nodes.
* return all resources for Unsecured paths
* review comment - Add test
* fix tests
* fix test
* Add graceful shutdown timeout
* Handle interruptedException
* Incorporate code review comments
* Address code review comments
* Poll for activeConnections to be zero
* Use statistics handler to get active requests
* Use native jetty shutdown gracefully
* Move log line back to where it was
* Add unannounce wait time
* Make the default retain prior behavior
* Update docs with new config defaults
* Make duration handling on jetty shutdown more consistent
* StatisticsHandler is a wrapper
* Move jetty lifecycle error logging to error
The behavior is configurable through druid.extensions.useExtensionClassloaderFirst.
It is useful when extensions want to load a dependency different from one provided
by Druid, for example a different version of geoip or protobuf.
* More memory limiting for HttpPostEmitter
* Less aggressive large events test
* Fix tests
* Restrict batch queue size first, keep minimum of 2 queue items
* just renaming of SegmentChangeRequestHistory etc
* additional change history refactoring changes
* WorkerTaskManager a replica of WorkerTaskMonitor
* HttpServerInventoryView refactoring to extract sync code and robustification
* Introducing HttpRemoteTaskRunner
* Additional Worker side updates
* Add freeSpacePercent config in segment location config to enforce free space while storing segments
* address review comments
* address review comments: more doc on freeSpacePercent and use Double for freeSpacePercent