[8.15] Fix esql enrich memory leak (#109275) (#110450)#110492
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elasticsearchmachine merged 1 commit intoelastic:8.15from Jul 4, 2024
Merged
[8.15] Fix esql enrich memory leak (#109275) (#110450)#110492elasticsearchmachine merged 1 commit intoelastic:8.15from
elasticsearchmachine merged 1 commit intoelastic:8.15from
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This PR was reviewed in elastic#109275 Block and Vector use a non-thread-safe RefCounted. Threads that increase or decrease the references must have a happen-before relationship. However, this order is not guaranteed in the enrich lookup for the reference of selectedPositions. The driver can complete the MergePositionsOperator, which decreases the reference count of selectedPositions, while the finally block may also decrease it in a separate thread. These actions occur without a defined happen-before relationship. Closes elastic#108532
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:Analytics/ES|QL
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Backports the following commits to 8.15: