Valentin Kulichenko created IGNITE-13671:
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Summary: Support collocation based on multiple fields
Key: IGNITE-13671
URL: https://issues.apache.org/jira/browse/IGNITE-13671
Project: Ignite
Issue Type: Improvement
Reporter: Valentin Kulichenko
Fix For: 3.0
In Ignite 2.x there are two ways to configure collocation: @AffinityKeyMapped
annotation and CacheKeyConfiguration bean. Both allow specifying *only one
field* to be used for collocation.
Let's say there is a key class that looks like this:
{code:java}
class MyCacheKey {
int a;
int b;
int c;
}{code}
In this case, there is no way to collocate the data based on a pair of fields
(e.g. a and b).
In 3.0, we should have an API that would allow to specify two or more fields to
be used for collocation.
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