Thawan Kooburat created ZOOKEEPER-1757:
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Summary: Adler32 may not be sufficient to protect aginst 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
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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