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From "Jonathan Ellis (JIRA)" <>
Subject [jira] Commented: (CASSANDRA-579) Stream SSTables without Anti-compaction
Date Fri, 18 Jun 2010 05:55:27 GMT


Jonathan Ellis commented on CASSANDRA-579:

patches 01-03 applied, but I keep getting timeouts trying to commit the rest.  (probably the
super flaky wireless here.)  will try again in the morning.

> Stream SSTables without Anti-compaction
> ---------------------------------------
>                 Key: CASSANDRA-579
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Stu Hood
>            Assignee: Stu Hood
>            Priority: Critical
>             Fix For: 0.7
>         Attachments: 0001-Extract-index-filter-writing-into-IndexWriter.patch, 0002-Add-recovery-for-non-essential-sstable-components.patch,
0003-Only-send-the-datafile-when-streaming.patch, 0004-Stream-minimal-sections-of-SSTables-without-compacti.patch,
0005-Add-greater-than-operation-for-sstable-indexes-to-op.patch, 579-rowsize.txt
> The io.Streaming API currently requires a file on disk to stream, which means that bootstrap
and repairs need to perform an anti-compaction that writes a bunch of data to disk, only to
have it be deleted after the streaming has finished.
> EDIT: Deleted reference to using streaming as a client API: it wouldn't provide enough
benefit over using the BMT interface, due to fragility.

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