incubator-hama-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Edward J. Yoon (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HAMA-476) Splitter doesn't work correctly
Date Wed, 04 Jan 2012 07:12:40 GMT

     [ https://issues.apache.org/jira/browse/HAMA-476?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Edward J. Yoon updated HAMA-476:
--------------------------------

    Attachment: patch_01.txt

This patch adds simple logic to extract proper size of tasks in the max task capacity.

{code}
root@Cnode1:/usr/local/src/hama-trunk# core/bin/hama jar examples/target/hama-examples-0.4.0-incubating-SNAPSHOT.jar
sssp 3 result /user/root/sssp/sssp-small.seq 4
12/01/04 16:02:54 INFO bsp.FileInputFormat: Total input paths to process : 1
12/01/04 16:02:54 INFO bsp.FileInputFormat: Total # of splits: 2
12/01/04 16:03:03 INFO bsp.FileInputFormat: Total input paths to process : 4
12/01/04 16:03:03 INFO bsp.FileInputFormat: Total # of splits: 4
12/01/04 16:03:04 INFO bsp.BSPJobClient: Running job: job_201201041546_0005
12/01/04 16:03:07 INFO bsp.BSPJobClient: Launched tasks: 3/4
12/01/04 16:03:10 INFO bsp.BSPJobClient: Launched tasks: 4/4
12/01/04 16:03:19 INFO bsp.BSPJobClient: Current supersteps number: 23
12/01/04 16:03:22 INFO bsp.BSPJobClient: Current supersteps number: 44
12/01/04 16:03:25 INFO bsp.BSPJobClient: Current supersteps number: 84
12/01/04 16:03:28 INFO bsp.BSPJobClient: Current supersteps number: 104
12/01/04 16:03:31 INFO bsp.BSPJobClient: Current supersteps number: 125
12/01/04 16:03:34 INFO bsp.BSPJobClient: Current supersteps number: 147
{code}
                
> Splitter doesn't work correctly
> -------------------------------
>
>                 Key: HAMA-476
>                 URL: https://issues.apache.org/jira/browse/HAMA-476
>             Project: Hama
>          Issue Type: Bug
>          Components: bsp
>    Affects Versions: 0.3.0
>            Reporter: Edward J. Yoon
>            Assignee: Edward J. Yoon
>             Fix For: 0.4.0
>
>         Attachments: patch_01.txt
>
>
> - To split sequencefile as user requested size, there's no way to avoid read/write records.
I think we have to use just blockSize. 
> - Unlike MapReduce, we are unable to queuing tasks when exceeds cluster capacity (I have
no idea at the moment).

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira

        

Mime
View raw message