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Posted to notifications@asterixdb.apache.org by "Chen Luo (JIRA)" <ji...@apache.org> on 2017/12/01 04:27:00 UTC

[jira] [Created] (ASTERIXDB-2184) Immutable disk version of BTree

Chen Luo created ASTERIXDB-2184:
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             Summary: Immutable disk version of BTree
                 Key: ASTERIXDB-2184
                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-2184
             Project: Apache AsterixDB
          Issue Type: Improvement
            Reporter: Chen Luo
            Assignee: Chen Luo


BTree is currently heavily used in our codebase, e.g., for primary index, deleted keys, inverted index etc. Most of BTrees of a dataset are immutable, as they are from disk components. However, our current codebase only has one version of mutable BTree, which has quite a number of overhead on locking/concurrency control during normal operations.



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