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From "Ryan McGuire (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-4872) Move manifest into sstable metadata
Date Fri, 15 Mar 2013 16:48:13 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-4872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13603500#comment-13603500
] 

Ryan McGuire commented on CASSANDRA-4872:
-----------------------------------------

I believe this is working on windows. I started with a 1.2.2 node, ran stress for some data,
upgraded to trunk (b06c45a96d9bd3f3c0807e87bfbccf8f1a9e2459), restarted and I saw no errors
in the logs along with this:

{code}
 INFO [CompactionExecutor:1] 2013-03-15 12:42:37,109 CompactionTask.java (line 108) Compacting
[SSTableReader(path='\var\lib\cassandra\data\system\local\system-local-ic-5-Data.db'), SSTableReader(path='\var\lib\cassandra\data\system\local\system-local-ic-6-Data.db'),
SSTableReader(path='\var\lib\cassandra\data\system\local\system-local-ic-4-Data.db'), SSTableReader(path='\var\lib\cassandra\data\system\local\system-local-ib-3-Data.db'),
SSTableReader(path='\var\lib\cassandra\data\system\local\system-local-ib-2-Data.db'), SSTableReader(path='\var\lib\cassandra\data\system\local\system-local-ib-1-Data.db'),
SSTableReader(path='\var\lib\cassandra\data\system\local\system-local-ic-7-Data.db')]
 INFO [CompactionExecutor:1] 2013-03-15 12:42:37,187 CompactionTask.java (line 270) Compacted
7 sstables to [\var\lib\cassandra\data\system\local\system-local-ic-9,].  1,215 bytes to 558
(~45% of original) in 63ms = 0.008447MB/s.  7 total rows, 1 unique.  Row merge counts were
{1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:1, }
{code}
                
> Move manifest into sstable metadata
> -----------------------------------
>
>                 Key: CASSANDRA-4872
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4872
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: Marcus Eriksson
>            Priority: Minor
>             Fix For: 2.0
>
>         Attachments: 0001-CASSANDRA-4872-move-sstable-level-into-sstable-metad-v1.patch,
0001-CASSANDRA-4872-move-sstable-level-into-sstable-metad-v2.patch, 0001-CASSANDRA-4872-move-sstable-level-into-sstable-metad-v3.patch,
0001-CASSANDRA-4872-move-sstable-level-into-sstable-metad-v4.patch, 0001-CASSANDRA-4872-wip-v6.patch,
0001-CASSANDRA-4872-wip-v7.patch, 4872-v5.txt
>
>
> Now that we have a metadata component it would be better to keep sstable level there,
than in a separate manifest.  With information per-sstable we don't need to do a full re-level
if there is corruption.

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