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From "Noble Paul (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-5473) Make one state.json per collection
Date Thu, 24 Apr 2014 17:47:24 GMT

    [ https://issues.apache.org/jira/browse/SOLR-5473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13980013#comment-13980013
] 

Noble Paul commented on SOLR-5473:
----------------------------------

bq.The external interface
bq. I've already gone into a lot of the points. We can dig more into what is not clear from
the above.

stateFormat attribute in collection, state node have the .json suffix. Please add if missed
anything

bq.The idea of selectively watching states
bq.The is also probably fine, though I'm not sure it's right to change it by default, and
I'm not sure it should be so tied into "The idea of splitting the clusterstate.json itself".
Breaking things into parts makes it easier to digest and build and document properly.

I'm not sure if it is possible to split them completely . The moment I split the states my
choices are 
# all nodes watch all the collections
# nodes selectively watch collections 
# nodes watch no collections and read them all real time

One or more of the three solutions  needs to be built new into the system  and I have only
added the 2nd because I thought only that would be useful. Do you think the other solutions
are worthwhile to build or can you think of a better solution I probably would have missed?

bq.The API's which are 'undesirable'

I would take a relook at these . Meanwhile , if you can visualize what the API's should look
like please post them here






> Make one state.json per collection
> ----------------------------------
>
>                 Key: SOLR-5473
>                 URL: https://issues.apache.org/jira/browse/SOLR-5473
>             Project: Solr
>          Issue Type: Sub-task
>          Components: SolrCloud
>            Reporter: Noble Paul
>            Assignee: Noble Paul
>             Fix For: 5.0
>
>         Attachments: SOLR-5473-74.patch, SOLR-5473-74.patch, SOLR-5473-74.patch, SOLR-5473-74.patch,
SOLR-5473-74.patch, SOLR-5473-74.patch, SOLR-5473-74.patch, SOLR-5473-74.patch, SOLR-5473-74.patch,
SOLR-5473-74.patch, SOLR-5473-74.patch, SOLR-5473-74.patch, SOLR-5473-74.patch, SOLR-5473-74.patch,
SOLR-5473-74.patch, SOLR-5473-74.patch, SOLR-5473-74.patch, SOLR-5473-74.patch, SOLR-5473-74.patch,
SOLR-5473-74.patch, SOLR-5473-74.patch, SOLR-5473-74.patch, SOLR-5473-74.patch, SOLR-5473-74.patch,
SOLR-5473.patch, SOLR-5473.patch, SOLR-5473.patch, SOLR-5473.patch, SOLR-5473.patch, SOLR-5473.patch,
SOLR-5473.patch, SOLR-5473.patch, SOLR-5473.patch, SOLR-5473.patch, SOLR-5473.patch, SOLR-5473.patch,
SOLR-5473.patch, SOLR-5473.patch, SOLR-5473.patch, SOLR-5473.patch, SOLR-5473.patch, SOLR-5473.patch,
ec2-23-20-119-52_solr.log, ec2-50-16-38-73_solr.log
>
>
> As defined in the parent issue, store the states of each collection under /collections/collectionname/state.json
node



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