[
https://issues.apache.org/jira/browse/TEZ-2606?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Gopal V resolved TEZ-2606.
--------------------------
Resolution: Done
Resolving this issue for now, the prefix key sort is already in 0.7.x and is
available to any comparator which implements {{ProxyComparator}}
> Cache-friendly data structure for sorting
> -----------------------------------------
>
> Key: TEZ-2606
> URL: https://issues.apache.org/jira/browse/TEZ-2606
> Project: Apache Tez
> Issue Type: Sub-task
> Reporter: Tsuyoshi Ozawa
> Assignee: Tsuyoshi Ozawa
>
> Alphasort[1] mentions prefix key sort is effective way. I'd like to suggest
> to change a layout of ring buffer to include prefix of key in meta data. This
> can improve the cache hit rate when sorting.
> [1] Alphasort: http://dl.acm.org/citation.cfm?id=615237
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
