Roman Leventov 0e926e8652 Prohibit assigning concurrent maps into Map-typed variables and fields and fix a race condition in CoordinatorRuleManager (#6898) ...

* Prohibit assigning concurrent maps into Map-types variables and fields; Fix a race condition in CoordinatorRuleManager; improve logic in DirectDruidClient and ResourcePool

* Enforce that if compute(), computeIfAbsent(), computeIfPresent() or merge() is called on a ConcurrentHashMap, it's stored in a ConcurrentHashMap-typed variable, not ConcurrentMap; add comments explaining get()-before-computeIfAbsent() optimization; refactor Counters; fix a race condition in Intialization.java

* Remove unnecessary comment

* Checkstyle

* Fix getFromExtensions()

* Add a reference to the comment about guarded computeIfAbsent() optimization; IdentityHashMap optimization

* Fix UriCacheGeneratorTest

* Workaround issue with MaterializedViewQueryQueryToolChest

* Strengthen Appenderator's contract regarding concurrency

2019-02-04 09:18:12 -08:00

..

src

Prohibit assigning concurrent maps into Map-typed variables and fields and fix a race condition in CoordinatorRuleManager (#6898)

2019-02-04 09:18:12 -08:00

pom.xml

combine druid-api, druid-common, java-util into druid-core (#6443)

2018-10-14 20:37:37 -07:00