Denis Magda created IGNITE-2751:
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Summary: GridH2TreeIndex.getRowCount unwraps objects' values that
are not used later
Key: IGNITE-2751
URL: https://issues.apache.org/jira/browse/IGNITE-2751
Project: Ignite
Issue Type: Bug
Affects Versions: 1.5.0.final
Reporter: Denis Magda
Priority: Critical
Fix For: 1.6
If to run query like "SELECT COUNT(*) FROM table" then our implementation will
perform a full scan filtering out entries that are not primary for a given node
and will calculate only a number of primary ones.
If entries are stored off-heap then both a key and value of an entry are
unswapped, Unswapped values are not used by backup filters thus we have to omit
unswapping of the values at all.
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