[jira] [Created] (BIGTOP-1007) Introduce a modules system for HBase coprocessor applications

["Andrew Purtell (JIRA)" <ji...@apache.org>]

Andrew Purtell created BIGTOP-1007:
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             Summary: Introduce a modules system for HBase coprocessor applications
                 Key: BIGTOP-1007
                 URL: https://issues.apache.org/jira/browse/BIGTOP-1007
             Project: Bigtop
          Issue Type: Bug
    Affects Versions: 0.7.0
            Reporter: Andrew Purtell


Consider a modules system convention ("/etc/hbase/modules.d"), a common pattern used for example by Apache httpd, for easily installation and removal of HBase coprocessor applications.

Within the modules.d/ directory, one additional level of subdirectories can be created, into which a package can drop site xml fragments and scripts to execute after regionserver and master (re)start. Future packages that ship an HBase coprocessor application could then add configuration bits without concern about collisions and trigger a regionserver reload in postinstall.

HBase already ships a tool for merging configuration files. Changes required for this will be proposed upstream if needed.

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