Clint Wylie a7a4bfd331 modify QueryScheduler to lazily acquire lanes when executing queries to avoid leaks (#14184) ... This PR fixes an issue that could occur if druid.query.scheduler.numThreads is configured and any exception occurs after QueryScheduler.run has been called to create a Sequence. This would result in total and/or lane specific locks being acquired, but because the sequence was not actually being evaluated, the "baggage" which typically releases these locks was not being executed. An example of how this can happen is if a group-by having filter, which wraps and transforms this sequence happens to explode while wrapping the sequence. The end result is that the locks are acquired, but never released, eventually halting the ability to execute any queries.		2023-05-08 11:42:05 +05:30
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src	modify QueryScheduler to lazily acquire lanes when executing queries to avoid leaks (#14184)	2023-05-08 11:42:05 +05:30
pom.xml	Make LoggingEmitter more useful by using Markers (#14121)	2023-04-27 15:06:06 -07:00