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Posted to commits@cassandra.apache.org by "C. Scott Andreas (JIRA)" <ji...@apache.org> on 2018/11/18 18:06:00 UTC

[jira] [Updated] (CASSANDRA-10154) Uncompressed data files should serialize inline checksums, over smaller blocks

     [ https://issues.apache.org/jira/browse/CASSANDRA-10154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

C. Scott Andreas updated CASSANDRA-10154:
-----------------------------------------
    Component/s: Core

> Uncompressed data files should serialize inline checksums, over smaller blocks
> ------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-10154
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10154
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Benedict
>            Priority: Major
>             Fix For: 4.x
>
>
> As has been raised on numerous occasions, we currently perform no "bitrot" detection on uncompressed data file reads. Currently we serialize an incremental checksum, but this is placed in a separate file, and covers a 64K region. Both of these are undesirable characteristics.
> Ideally following on from CASSANDRA-10153 (or perhaps as part thereof), we should somewhat unify the read paths of uncompressed and compressed data with regard to checksums.



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