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https://issues.apache.org/jira/browse/CASSANDRA-3762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13267605#comment-13267605
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Jonathan Ellis edited comment on CASSANDRA-3762 at 5/3/12 5:21 PM:
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Agreed on both counts -- I don't think this approach works for row cache, nor
do I think row cache is as important to optimize.
was (Author: jbellis):
Agreed on both counts -- I don't think this approach works for row cache,
nor do I think it's as important to optimize.
> AutoSaving KeyCache and System load time improvements.
> ------------------------------------------------------
>
> Key: CASSANDRA-3762
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3762
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Affects Versions: 1.2
> Reporter: Vijay
> Assignee: Vijay
> Priority: Minor
> Fix For: 1.2
>
> Attachments: 0001-CASSANDRA-3762-v2.patch,
> 0001-CASSANDRA-3762-v3.patch, 0001-SavedKeyCache-load-time-improvements.patch
>
>
> CASSANDRA-2392 saves the index summary to the disk... but when we have saved
> cache we will still scan through the index to get the data out.
> We might be able to separate this from SSTR.load and let it load the index
> summary, once all the SST's are loaded we might be able to check the
> bloomfilter and do a random IO on fewer Index's to populate the KeyCache.
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