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https://issues.apache.org/jira/browse/CONNECTORS-13?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13774421#comment-13774421
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Graeme Seaton commented on CONNECTORS-13:
-----------------------------------------
One of the options we were planning on looking at for clustered/scaleable
Postgresql is
[Postgres-XC|http://sourceforge.net/apps/mediawiki/postgres-xc/index.php?title=Main_Page].
Will track
[CONNECTORS-780|https://issues.apache.org/jira/browse/CONNECTORS-780] to see
what how we can contribute.
> We should move to eliminate process synchronization via shared file system,
> and use a process/service instead
> -------------------------------------------------------------------------------------------------------------
>
> Key: CONNECTORS-13
> URL: https://issues.apache.org/jira/browse/CONNECTORS-13
> Project: ManifoldCF
> Issue Type: Improvement
> Components: Framework core
> Affects Versions: ManifoldCF 0.1, ManifoldCF 0.2
> Reporter: Karl Wright
> Fix For: ManifoldCF next
>
>
> The current implementation relies on the file system to synchronize activity
> between various LCF processes. This has several downsides: first, it is
> possible to get the file system into a state that is corrupted (by killing
> processes); second, this limits the future ability to spread crawler workload
> over multiple machines.
> It should be reasonably straightforward, and probably more resilient, to
> introduce a "synchronization process", which all other LCF processes talk to
> in order to manage locks, shared data, and other synchronization activities.
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