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https://issues.apache.org/jira/browse/CASSANDRA-8778?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jeff Jirsa updated CASSANDRA-8778:
----------------------------------
Attachment: cassandra-8778.patch
Proposed patch against trunk
{noformat}
for i in ~/.ccm/snapshot/node1/data/test2/*/*Data*; do echo $i && java
AdlerCheckSum $i ; j=`echo $i | sed -e 's/Data.db/Digest.sha1/g' ` && echo
'value from digest' && cat $j && echo '' ; done
/Users/jeff/.ccm/snapshot/node1/data/test2/compressed_counters-c2caca90b7d311e4a8fa85b755fc16c4/la-3-big-Data.db
2241194834
value from digest
2241194834
/Users/jeff/.ccm/snapshot/node1/data/test2/compressed_counters-c2caca90b7d311e4a8fa85b755fc16c4/la-4-big-Data.db
3042888126
value from digest
3042888126
/Users/jeff/.ccm/snapshot/node1/data/test2/uncompressed_table-c37ed850b7d311e4a8fa85b755fc16c4/la-3-big-Data.db
2620019278
value from digest
2620019278
/Users/jeff/.ccm/snapshot/node1/data/test2/uncompressed_table-c37ed850b7d311e4a8fa85b755fc16c4/la-4-big-Data.db
2131686065
value from digest
2131686065
{noformat}
> Adler32 Digests for Compressed SSTables are Incorrect
> -----------------------------------------------------
>
> Key: CASSANDRA-8778
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8778
> Project: Cassandra
> Issue Type: Bug
> Reporter: Jeff Jirsa
> Priority: Trivial
> Attachments: cassandra-8778.patch
>
>
> ChecksumWriter append() calculates the checksum of a buffer, then also writes
> that checksum as an int into the provided DataOutput. The final call to
> writeFullChecksum will have the checksum of all of the buffers, but none of
> the intermediate int checksums.
> This issue was discovered (and a fix proposed) in #5791 - if the patch for
> #5791 is not accepted, some fix for
> src/java/org/apache/cassandra/io/util/DataIntegrityMetadata.java should be
> applied.
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