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https://issues.apache.org/jira/browse/IGNITE-1678?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Artem Shutak updated IGNITE-1678:
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Fix Version/s: (was: 1.6)
1.7
> IgniteAtomicSequence: make following reservations in advance
> ------------------------------------------------------------
>
> Key: IGNITE-1678
> URL: https://issues.apache.org/jira/browse/IGNITE-1678
> Project: Ignite
> Issue Type: Improvement
> Components: data structures
> Affects Versions: ignite-1.4
> Reporter: Denis Magda
> Assignee: Artem Shutak
> Fix For: 1.7
>
>
> In current implementation a new reservation is made when the current local
> sequence boundary is exceeded.
> In cases when there are many nodes that use the same atomic sequence there
> can be a situation when all the nodes start doing a new reservation at the
> same time. This can lead to performance drops.
> As a performance optimization it makes sense to start reserving new sequence
> slot in advance (in background), like when around 80% of current reservation
> has already been used. Probably we should add a special parameter to
> {{AtomicConfiguration}} that will manage such behavior.
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