You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@hama.apache.org by "Edward J. Yoon (JIRA)" <ji...@apache.org> on 2008/12/08 02:59:44 UTC
[jira] Assigned: (HAMA-125) Refactor dense matrix storage
[ https://issues.apache.org/jira/browse/HAMA-125?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Edward J. Yoon reassigned HAMA-125:
-----------------------------------
Assignee: Edward J. Yoon
> Refactor dense matrix storage
> -----------------------------
>
> Key: HAMA-125
> URL: https://issues.apache.org/jira/browse/HAMA-125
> Project: Hama
> Issue Type: Improvement
> Components: implementation
> Affects Versions: 0.1.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.1.0
>
>
> Current entry is too small, have a lot of column keys. So, it cause too many requests over hbase.
> Current table schema:
> column:
> =============================
> rowKey1 column:0 <0.323..>
> column:1 <0.413..>
> ... N
> rowKey2
> ...
> We can group the columns as describe below. (2D array is too complex.)
> vector:
> =============================
> rowKey1 vector:0 <0 ~ 9999999>
> vector:1 <10000000 ~ 19999999>
> ...
> rowKey2
> ...
> ----
> Should be changed things :
> - DenseMatrix : get/set(), get/setRow(), get/setColumn() ..
> - DenseVector : get/set(), subVector(), ...
> ...
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.