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https://issues.apache.org/jira/browse/CASSANDRA-13981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17717633#comment-17717633
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Jyothilekshmi commented on CASSANDRA-13981:
-------------------------------------------
The final version of the PMem code can be found at
[https://github.com/apache/cassandra/pull/2274]. It is only intended for design
reference and should not be merged.
> Enable Cassandra for Persistent Memory
> ---------------------------------------
>
> Key: CASSANDRA-13981
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13981
> Project: Cassandra
> Issue Type: New Feature
> Components: Legacy/Core
> Reporter: Preetika Tyagi
> Assignee: Preetika Tyagi
> Priority: Normal
> Fix For: 5.x
>
> Attachments: in-mem-cassandra-1.0.patch, in-mem-cassandra-2.0.patch,
> in-mem-cassandra-2.1.patch, readme.txt, readme2.1.txt, readme2_0.txt
>
>
> Currently, Cassandra relies on disks for data storage and hence it needs data
> serialization, compaction, bloom filters and partition summary/index for
> speedy access of the data. However, with persistent memory, data can be
> stored directly in the form of Java objects and collections, which can
> greatly simplify the retrieval mechanism of the data. What we are proposing
> is to make use of faster and scalable B+ tree-based data collections built
> for persistent memory in Java (PCJ: https://github.com/pmem/pcj) and enable a
> complete in-memory version of Cassandra, while still keeping the data
> persistent.
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