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From "Pavel Yaskevich (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-4561) update column family fails
Date Fri, 07 Sep 2012 11:20:08 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-4561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13450529#comment-13450529
] 

Pavel Yaskevich commented on CASSANDRA-4561:
--------------------------------------------

I just thought that a good addition to existing patch could be change in ColumnSerializer.deserialize
to fix timestamps from the future, that way migrations from the remote locations would be
deserialized with correct timestamp even if they were sent with the wrong one...
                
> update column family fails
> --------------------------
>
>                 Key: CASSANDRA-4561
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4561
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4
>            Reporter: Zenek Kraweznik
>            Assignee: Pavel Yaskevich
>             Fix For: 1.1.5
>
>         Attachments: CASSANDRA-4561.patch
>
>
> [default@test] show schema;
> create column family Messages
>   with column_type = 'Standard'
>   and comparator = 'AsciiType'
>   and default_validation_class = 'BytesType'
>   and key_validation_class = 'AsciiType'
>   and read_repair_chance = 0.1
>   and dclocal_read_repair_chance = 0.0
>   and gc_grace = 864000
>   and min_compaction_threshold = 2
>   and max_compaction_threshold = 4
>   and replicate_on_write = true
>   and compaction_strategy = 'org.apache.cassandra.db.compaction.LeveledCompactionStrategy'
>   and caching = 'KEYS_ONLY'
>   and compaction_strategy_options = {'sstable_size_in_mb' : '1024'}
>   and compression_options = {'chunk_length_kb' : '64', 'sstable_compression' : 'org.apache.cassandra.io.compress.DeflateCompressor'};
> [default@test] update column family Messages with min_compaction_threshold = 4 and  max_compaction_threshold
= 32;
> a5b7544e-1ef5-3bfd-8770-c09594e37ec2
> Waiting for schema agreement...
> ... schemas agree across the cluster
> [default@test] show schema;
> create column family Messages
>   with column_type = 'Standard'
>   and comparator = 'AsciiType'
>   and default_validation_class = 'BytesType'
>   and key_validation_class = 'AsciiType'
>   and read_repair_chance = 0.1
>   and dclocal_read_repair_chance = 0.0
>   and gc_grace = 864000
>   and min_compaction_threshold = 2
>   and max_compaction_threshold = 4
>   and replicate_on_write = true
>   and compaction_strategy = 'org.apache.cassandra.db.compaction.LeveledCompactionStrategy'
>   and caching = 'KEYS_ONLY'
>   and compaction_strategy_options = {'sstable_size_in_mb' : '1024'}
>   and compression_options = {'chunk_length_kb' : '64', 'sstable_compression' : 'org.apache.cassandra.io.compress.DeflateCompressor'};

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