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https://issues.apache.org/jira/browse/CASSANDRA-222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12717416#action_12717416
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Jonathan Ellis commented on CASSANDRA-222:
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1. the part that is supposed to cache the index positions in a LRU doesn't work
2. the part that does a data read so it will be in the OS disk cache (a)
doesn't work for large rows and (b) isn't as accurate as doing an actual get
call would be
3. (2) isn't worth addressing because doing touch + get will never be faster
than just doing a get in a FutureTask or the equivalent. (1) might be worth
fixing but I'll leave that to someone who actually needs the feature.
> r/m touch from 0.3
> ------------------
>
> Key: CASSANDRA-222
> URL: https://issues.apache.org/jira/browse/CASSANDRA-222
> Project: Cassandra
> Issue Type: Task
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Fix For: 0.3
>
> Attachments: 222.patch
>
>
> touch is already gone in 0.4 and we shouldn't encourage using it
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