867d5f1c68
Search could leak memory if global ordinals were calculated as part of a search with low level cancellation enabled. QueryPhase registers a cancellation on the reader that is never removed, which ends up being referenced from the global ordinals cache entry. This keeps an indirect reference to the search context. A significant leak can occur when a heavy aggregation (cardinality for instance) is used and a failure occurs during search, in particular if the pages backing the hyperlog++ structure are not recycled when it is closed. This commit also fixes an issue with an unclosed resource and request breaker adjustment in the cardinality aggregation. |
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