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From "Aleksey Plekhanov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-7818) Incorrect assertion in PDS page eviction method
Date Tue, 27 Feb 2018 07:38:00 GMT
Aleksey Plekhanov created IGNITE-7818:

             Summary: Incorrect assertion in PDS page eviction method
                 Key: IGNITE-7818
                 URL: https://issues.apache.org/jira/browse/IGNITE-7818
             Project: Ignite
          Issue Type: Bug
            Reporter: Aleksey Plekhanov

There is assertion in the method org.apache.ignite.internal.processors.cache.persistence.pagemem.PageMemoryImpl.Segment#removePageForReplacement:

assert relRmvAddr != INVALID_REL_PTR;{code}
Which seems potentially dangerous. In some rare cases, when count of interations more then
40% of allocated pages and all processed pages are aquired, the {{relRmvAddr}} variable
will be uninitialized and {{AssertionException}} will be thrown. But it's a correct case
and page to evict can be found later in the method {{tryToFindSequentially.}}


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