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From "Stu Hood (JIRA)" <>
Subject [jira] Commented: (CASSANDRA-777) Extract SSTable interfaces to allow for alternative implementations
Date Mon, 01 Mar 2010 23:18:05 GMT


Stu Hood commented on CASSANDRA-777:

Well, we won't need to read from a new format until we merge a new format, but we wouldn't
want to do all of that in one patchset.

I'd like to submit separate issues that:
 1. Modify this interface to use it to make the reading half of compactions memory efficient
(almost exactly like the Slice/Scanner API I submitted for 674)
 2. Add the new file format (with the next Scanner/Reader subclasses) to make the writing
half of compaction memory efficient.

I'd like to try and submit the first issue tonight (pending fixing one nagging bug).

> Extract SSTable interfaces to allow for alternative implementations
> -------------------------------------------------------------------
>                 Key: CASSANDRA-777
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Stu Hood
>             Fix For: 0.7
>         Attachments: 0001-Create-sstable-package.patch, 0001-Create-sstable-package.patch,
0002-Extract-abstract-base-classes-for-SSTableReader-and-.patch, 0002-Extract-abstract-base-classes-for-SSTableReader-and-.patch
> In order to create alternate implementations of SSTableReader and Scanner, we need to
extract abstract bases for those classes.

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