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Posted to commits@cassandra.apache.org by "Vijay (Commented) (JIRA)" <ji...@apache.org> on 2012/02/28 01:37:49 UTC
[jira] [Commented] (CASSANDRA-3966) KeyCacheKey and RowCacheKey to
use raw byte[]
[ https://issues.apache.org/jira/browse/CASSANDRA-3966?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13217737#comment-13217737 ]
Vijay commented on CASSANDRA-3966:
----------------------------------
Since i am on this ticket... Wondering if it will make sense to do use FreeableMemory instead of ByteBuffer if (SerializingCache is chosen) just for RowCacheKey?
> KeyCacheKey and RowCacheKey to use raw byte[]
> ---------------------------------------------
>
> Key: CASSANDRA-3966
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3966
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Affects Versions: 1.0.8
> Reporter: Vijay
> Assignee: Vijay
> Priority: Minor
> Fix For: 1.0.9, 1.1.1
>
>
> We can just store the raw byte[] instead of byteBuffer,
> After reading the mail
> http://www.mail-archive.com/dev@cassandra.apache.org/msg03725.html
> Each ByteBuffer takes 48 bytes => for house keeping can be removed by just implementing hashcode and equals in the KeyCacheKey and RowCacheKey
> http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b14/java/nio/ByteBuffer.java#ByteBuffer.hashCode%28%29
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