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https://issues.apache.org/jira/browse/ZOOKEEPER-1757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thawan Kooburat updated ZOOKEEPER-1757:
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Summary: Adler32 may not be sufficient to protect against data corruption
(was: Adler32 may not be sufficient to protect aginst data corruption)
> Adler32 may not be sufficient to protect against data corruption
> ----------------------------------------------------------------
>
> Key: ZOOKEEPER-1757
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1757
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Environment: Linux. Oracle JDK6/7
> Reporter: Thawan Kooburat
> Attachments: ZOOKEEPER.1757.patch, ZOOKEEPER.1757.patch
>
>
> I was investigating data inconsistency bug in our internal branch. One
> possible area is snapshot/txnlog corruption. So I wrote a more robust
> corruption test and found that it is easy to break our checksum algorithm
> which is Adler32.
> When this happen, it is more likely that corrupted data will fail other
> sanity check during deserialization phase, but it is still scary that it can
> pass the checksum.
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