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https://issues.apache.org/jira/browse/IGNITE-2969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15319153#comment-15319153
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Andrey Gura commented on IGNITE-2969:
-------------------------------------
Rerun benchmarks more accurate. Results below:
{noformat}
With detection
Without detection
tx-put-1-backup 19,608.72 19,854.48
tx-put-offheap-1-backup 18,480.55 17,938.68
tx-put-offheap-val-1-backup 20,423.42 19,936.32
tx-put-get-1-backup 18,250.85 18,526.29
tx-put-get-offheap 16,033.24 16,433.10
tx-put-get-offheap-val-1-backup 18,069.81 18,502.69
{noformat}
So I can conclude that additional synchronization doesn't affect performance.
> Optimistic transactions support in deadlock detection
> -----------------------------------------------------
>
> Key: IGNITE-2969
> URL: https://issues.apache.org/jira/browse/IGNITE-2969
> Project: Ignite
> Issue Type: Improvement
> Components: cache
> Reporter: Andrey Gura
> Assignee: Andrey Gura
> Fix For: 1.7
>
>
> Deadlock detection doesn't support optimistic transactions now. It should be
> implemented.
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