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https://issues.apache.org/jira/browse/IGNITE-4908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16063434#comment-16063434
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Alexander Menshikov commented on IGNITE-4908:
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[~amashenkov]
Correct me if I'm wrong but looks like the main difference between
IgniteCache.lock() and Ignite.reentrantLock() this: the Ignite.reentrantLock()
uses a pessimistic repeatable read transaction, but the IgniteCache.lock() uses
GridLocalLockFuture and avoids a heavy transaction. But the IgniteCache.lock()
gives fewer guarantees. So it is a quite predictable result.
> Ignite.reentrantLock looks much slower than IgniteCache.lock.
> -------------------------------------------------------------
>
> Key: IGNITE-4908
> URL: https://issues.apache.org/jira/browse/IGNITE-4908
> Project: Ignite
> Issue Type: Improvement
> Components: data structures
> Affects Versions: 1.8
> Reporter: Andrew Mashenkov
> Assignee: Alexander Menshikov
> Fix For: 2.1
>
>
> We should make a benchmark and investigate this issue.
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