Ensure DruidMeta is closed properly. #18431
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DruidMeta owns an executor service, which spawns a thread that retains a reference to it. This service must be shut down for the DruidMeta to be garbage-collectable, which is important when DruidAvaticaTestDriver is closed. Otherwise, any segments retained by the DruidMeta will stick around. This fix includes a `@LifecycleStop` so the same shutdown happens when an actual server is shutting down. It seems like good hygiene.
abhishekrb19
approved these changes
Aug 25, 2025
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DruidMeta owns an executor service, which spawns a thread that retains a reference to it. This service must be shut down for the DruidMeta to be garbage-collectable, which is important when DruidAvaticaTestDriver is closed. Otherwise, any segments retained by the DruidMeta will stick around.
This fix includes a
@LifecycleStopso the same shutdown happens when an actual server is shutting down. It seems like good hygiene.