Ivan Pavlukhin created IGNITE-11289:
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Summary: BPlusTree.AbstractForwardCursor can use obsolete page
Key: IGNITE-11289
URL: https://issues.apache.org/jira/browse/IGNITE-11289
Project: Ignite
Issue Type: Bug
Components: cache
Reporter: Ivan Pavlukhin
There is a possibility that {{AbstractForwardCursor.nextPageId}} refers to a
page which was already excluded from the tree. The problem reproduces with a
scan query execution with put/remove load in background.
Linked PR contains reproducer and some tricks allowing to reproduce the problem
more often. Problem becomes evident when problematic page is taken from
REUSE_BUCKET. But there could be other hidden problems which do no cause any
runtime errors but lead to data inconsistency.
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