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https://issues.apache.org/jira/browse/IGNITE-14747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17356511#comment-17356511
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Ivan Bessonov commented on IGNITE-14747:
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Few additions:
* by default keys are sorted lexicographically;
* this can be configured, but it's important to note that there's only one
comparator per RocksDB instance. We can't assign different comparators for
different column families.
> RocksDB research: configuration, lifecycle, basic integration
> -------------------------------------------------------------
>
> Key: IGNITE-14747
> URL: https://issues.apache.org/jira/browse/IGNITE-14747
> Project: Ignite
> Issue Type: New Feature
> Reporter: Sergey Chugunov
> Assignee: Ivan Bessonov
> Priority: Major
> Labels: iep-74, ignite-3
> Fix For: 3.0
>
>
> In accordance with
> [IEP-74|https://cwiki.apache.org/confluence/display/IGNITE/IEP-74+Data+Storage]
> first implementation of persistent Storage will be based on RocksDB K-V
> storage.
> Thus research is needed on how to integrate it into ignite-3 realm. The
> following questions should be covered:
> # What additional configuration properties are needed.
> # How to reconcile lifecycle of RocksDB instance with Ignite node lifecycle.
> # How RocksDB abstractions (e.g. partitions) match with Ignite abstractions.
> Also scope of tasks to implement basic Storage API over RocksDB should be
> defined.
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