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From "Christian Spriegel (Commented) (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-3370) Deflate Compression corrupts SSTables
Date Wed, 19 Oct 2011 15:35:10 GMT


Christian Spriegel commented on CASSANDRA-3370:

I see! I got the wrong version. Sorry, I did not know that it was included in the cassandra
source. I thought I had to download it some place else.

I will try with that and let you know about the results...
> Deflate Compression corrupts SSTables
> -------------------------------------
>                 Key: CASSANDRA-3370
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.0.0
>         Environment: Ubuntu Linux, amd64, Cassandra 1.0.0-rc2
>            Reporter: Christian Spriegel
>            Assignee: Sylvain Lebresne
>         Attachments: system.log
> Hi,
> it seems that the Deflate Compressor corrupts the SSTables. 3 out of 3 Installations
were corrupt. Snappy works fine.
> Here is what I did:
> 1. Start a single cassandra node (I was using ByteOrderedPartitioner)
> 2. Write data into cf that uses deflate compression - I think it has to be enough data
so that the data folder contains some files.
> 3. When I now try to read (I did a range scan) from my application, it fails and the
logs show corruptions:
> Caused by: (/home/cspriegel/Development/cassandra1/data/Test/Response-h-2-Data.db):
corruption detected, chunk at 0 of length 65536.
> regards,
> Christian

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