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From "Yonik Seeley (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-2880) Investigate adding an overseer that can assign shards, later do re-balancing, etc
Date Tue, 06 Dec 2011 20:31:40 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13163809#comment-13163809
] 

Yonik Seeley commented on SOLR-2880:
------------------------------------

Here's the data on some of the bigger nodes:

{code}
/node_assignments/Rogue:7574_solr
[{
    "_collection":"collection1",
    "_core":"Rogue:7574_solr_",
    "shard_name":"shard2"}]


/node_states/Rogue:7574_solr
[{
    "shard_id":"shard2",
    "_collection":"collection1",
    "roles":"",
    "_core":"Rogue:7574_solr_",
    "state":"active",
    "node_name":"Rogue:7574_solr",
    "url":"http://Rogue:7574/solr/"}]


/collections/collection1/leader_elect/shard2/leader/Rogue:7574_solr_
{
  "shard_id":"shard2",
  "roles":"",
  "state":"recovering",
  "node_name":"Rogue:7574_solr",
  "url":"http://Rogue:7574/solr/"}


/clusterstate.json
{"collection1":{
    "shard1":{
      "Rogue:2222_solr_":{
        "shard_id":"shard1",
        "_collection":"collection1",
        "roles":"",
        "_core":"Rogue:2222_solr_",
        "state":"active",
        "node_name":"Rogue:2222_solr",
        "url":"http://Rogue:2222/solr/"},
      "Rogue:8983_solr_":{
        "shard_id":"shard1",
        "_collection":"collection1",
        "roles":"",
        "_core":"Rogue:8983_solr_",
        "state":"active",
        "node_name":"Rogue:8983_solr",
        "url":"http://Rogue:8983/solr/"}},
    "shard2":{"Rogue:7574_solr_":{
        "shard_id":"shard2",
        "_collection":"collection1",
        "roles":"",
        "_core":"Rogue:7574_solr_",
        "state":"active",
        "node_name":"Rogue:7574_solr",
        "url":"http://Rogue:7574/solr/"}},
    "shard3":{"Rogue:1111_solr_":{
        "shard_id":"shard3",
        "_collection":"collection1",
        "roles":"",
        "_core":"Rogue:1111_solr_",
        "state":"active",
        "node_name":"Rogue:1111_solr",
        "url":"http://Rogue:1111/solr/"}}}}


{code}
                
> Investigate adding an overseer that can assign shards, later do re-balancing, etc
> ---------------------------------------------------------------------------------
>
>                 Key: SOLR-2880
>                 URL: https://issues.apache.org/jira/browse/SOLR-2880
>             Project: Solr
>          Issue Type: Sub-task
>          Components: SolrCloud
>            Reporter: Mark Miller
>            Assignee: Mark Miller
>             Fix For: 4.0
>
>         Attachments: SOLR-2880-merge-elections.patch, SOLR-2880.patch
>
>


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