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Date: Wed, 7 Aug 2013 21:55:49 +0000 (UTC)
From: "Jean-Daniel Cryans (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12641947.1365637326782.20472.1375912549273@arcas>
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Subject: [jira] [Updated] (HBASE-8322) Re-enable hbase checksums by default
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     [ https://issues.apache.org/jira/browse/HBASE-8322?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jean-Daniel Cryans updated HBASE-8322:
--------------------------------------

    Attachment: HBASE-8322-v3.patch

Attaching v3 without the blanks fixes and without the CRC32C change.
                
> Re-enable hbase checksums by default
> ------------------------------------
>
>                 Key: HBASE-8322
>                 URL: https://issues.apache.org/jira/browse/HBASE-8322
>             Project: HBase
>          Issue Type: Improvement
>          Components: Filesystem Integration
>            Reporter: Enis Soztutar
>            Assignee: Jean-Daniel Cryans
>            Priority: Critical
>             Fix For: 0.98.0, 0.95.2
>
>         Attachments: hbase-8322_v1.patch, HBASE-8322-v2.patch, HBASE-8322-v3.patch
>
>
> Double checksumming issues in HBase level checksums(HBASE-5074) has been fixed in HBASE-6868. However, that patch also disables hbase checksums by default. I think we should re-enable it by default, and document the interaction with shortcircuit reads. 

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