[jira] Updated: (SOLR-1734) Add pid file to snappuller to skip script overruns, and recover from failure

["Bill Au (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-1734?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bill Au updated SOLR-1734:
--------------------------

    Attachment: SOLR-1734.patch

I am reusing the code from SOLR-990 which adds the same feature to snapinstaller.  I have added a "-f" command line argument to force the snappuller to run even if one is already running.  That will be useful if network capacity is not an issue.

> Add pid file to snappuller to skip script overruns, and recover from failure
> ----------------------------------------------------------------------------
>
>                 Key: SOLR-1734
>                 URL: https://issues.apache.org/jira/browse/SOLR-1734
>             Project: Solr
>          Issue Type: Improvement
>          Components: replication (scripts)
>    Affects Versions: 1.4
>            Reporter: Bill Au
>            Assignee: Bill Au
>            Priority: Minor
>         Attachments: SOLR-1734.patch
>
>
> The pid file will allow snappuller to be run as fast as possible without overruns. Also it will recover from a last failed run should an older snappuller process no longer be running.  The same has already been done to snapinstaller in SOLR-990.  Overlapping snappuller could cause replication traffic to saturate the network if a large Solr index is being replicated to a large number of clients.

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