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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8400) Load coprocessor jar from various protocols (HTTP, HTTPS, FTP, etc.)
Date Tue, 23 Apr 2013 19:23:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13639445#comment-13639445
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Andrew Purtell commented on HBASE-8400:
---------------------------------------

I believe what you are asking for is an alternative classloader that fetches JARs from some
other type of storage. I think we can make which classloader to use for coprocessors configurable.
We are consolidating classloaders in HBASE-8327. You should start there.
                
> Load coprocessor jar from various protocols (HTTP, HTTPS, FTP, etc.)
> --------------------------------------------------------------------
>
>                 Key: HBASE-8400
>                 URL: https://issues.apache.org/jira/browse/HBASE-8400
>             Project: HBase
>          Issue Type: Improvement
>          Components: Coprocessors
>    Affects Versions: 0.94.3, 0.98.0
>            Reporter: Julian Zhou
>            Assignee: Julian Zhou
>            Priority: Minor
>             Fix For: 0.94.3, 0.98.0
>
>
> In some application testing and production environment, after developed coprocessors
and generated jars, currently we need to transfer them to hdfs first, then specify the URI
in table descriptor to point to HDFS compatible addresses of jars. Common used HTTP/HTTPS/FTP
or other protocols were not supported yet? To save time and make the life easier without transferring
from http/ftp or other servers, just modified the CoprocessorHost to use http/ftp url connection
(http and ftp servers are the most cases need to be support) to stream jars to coprocessor
jar spaces automatically.

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