[jira] [Created] (CASSANDRA-20351) Reading mmapped trie-index exceeding 2GiB results in IndexOutOfBoundsException

["Szymon Miezal (Jira)" <ji...@apache.org>]

Szymon Miezal created CASSANDRA-20351:
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             Summary: Reading mmapped trie-index exceeding 2GiB results in IndexOutOfBoundsException
                 Key: CASSANDRA-20351
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-20351
             Project: Apache Cassandra
          Issue Type: Bug
          Components: Local/SSTable
            Reporter: Szymon Miezal
            Assignee: Szymon Miezal


{color:#1f2328}Memory-mapping is done in buffers of size less than 2GiB.{color}
{color:#1f2328}When these buffers aren't aligned to 4KiB and the trie-index file {color}{color:#1f2328}spans many buffers then reading it results in going out of buffer bounds.{color}

To fix it we need to {color:#1f2328}make sure that the buffers are correctly aligned.{color}



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