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https://issues.apache.org/jira/browse/IGNITE-3075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15632286#comment-15632286
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Vladimir Ozerov commented on IGNITE-3075:
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>From what I remember about my old attempt to refactor that, good approach to
>deal with collection is to replace them with separate size and get-by-index
>methods (as our collections are Lists in this case):
Before:
{code}
Collection<K> keys();
{code}
After:
{code}
int keysCount();
K key(int idx);
{code}
> Implement single key-value pair DHT request/response for ATOMIC cache.
> ----------------------------------------------------------------------
>
> Key: IGNITE-3075
> URL: https://issues.apache.org/jira/browse/IGNITE-3075
> Project: Ignite
> Issue Type: Task
> Components: cache
> Affects Versions: 1.5.0.final
> Reporter: Vladimir Ozerov
> Assignee: Konstantin Dudkov
> Labels: performance
> Fix For: 1.8
>
>
> Need to implement specialized light-weight version of DHT request/response to
> make the most common case - single KV update - more performant.
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