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https://issues.apache.org/jira/browse/NUTCH-1047?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13429101#comment-13429101
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Julien Nioche commented on NUTCH-1047:
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Thanks for your comments Ferdy
bq. What I've changed in Nutch2.x is that IndexerOutputFormat does not extend
from FileOutputFormat anymore.
would be good to do the same for 1.x
bq. "whether we will be able to use implementations of NutchIndexWriter from
within a plugin"
bq. What do you mean with this?
I meant that we need to check whether we can have the NutchIndexWriter
implementations available in a plugin, which would be nice as we'd have our
generic commands + the indexing endpoints implementations in their respective
plugins (e.g. indexer-SOLR, indexer-ES) etc...
> Pluggable indexing backends
> ---------------------------
>
> Key: NUTCH-1047
> URL: https://issues.apache.org/jira/browse/NUTCH-1047
> Project: Nutch
> Issue Type: New Feature
> Components: indexer
> Reporter: Julien Nioche
> Assignee: Julien Nioche
> Labels: indexing
> Fix For: 1.6
>
>
> One possible feature would be to add a new endpoint for indexing-backends and
> make the indexing plugable. at the moment we are hardwired to SOLR - which is
> OK - but as other resources like ElasticSearch are becoming more popular it
> would be better to handle this as plugins. Not sure about the name of the
> endpoint though : we already have indexing-plugins (which are about
> generating fields sent to the backends) and moreover the backends are not
> necessarily for indexing / searching but could be just an external storage
> e.g. CouchDB. The term backend on its own would be confusing in 2.0 as this
> could be pertaining to the storage in GORA. 'indexing-backend' is the best
> name that came to my mind so far - please suggest better ones.
> We should come up with generic map/reduce jobs for indexing, deduplicating
> and cleaning and maybe add a Nutch extension point there so we can easily
> hook up indexing, cleaning and deduplicating for various backends.
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