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Posted to dev@lucene.apache.org by "Shalin Shekhar Mangar (JIRA)" <ji...@apache.org> on 2017/05/23 09:29:04 UTC

[jira] [Resolved] (SOLR-10677) Expose a diagnostics API to return nodes sorted by load in descending order and any policy violations

     [ https://issues.apache.org/jira/browse/SOLR-10677?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shalin Shekhar Mangar resolved SOLR-10677.
------------------------------------------
    Resolution: Fixed

Committed to autoscaling branch.

http://git-wip-us.apache.org/repos/asf/lucene-solr/commit/ba670a0c

> Expose a diagnostics API to return nodes sorted by load in descending order and any policy violations
> -----------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-10677
>                 URL: https://issues.apache.org/jira/browse/SOLR-10677
>             Project: Solr
>          Issue Type: Sub-task
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: SolrCloud
>            Reporter: Shalin Shekhar Mangar
>            Assignee: Shalin Shekhar Mangar
>              Labels: autoscaling
>             Fix For: master (7.0)
>
>         Attachments: SOLR-10677.patch, SOLR-10677.patch, SOLR-10677.patch, SOLR-10677.patch, SOLR-10677.patch
>
>
> Expose a diagnostics API to gives details of how loaded each node is, according to the configured cluster policy and preferences as well as a list of violations for rules given in the policies.
> By adding {{diagnostics=true}} as a request parameter for /admin/autoscaling (for v1 API) or /cluster/autoscaling (for v2 API), the API returns the list of nodes in sorted order according to the cluster preferences configured.
> API v1:
> {code}
> curl http://localhost:8983/solr/admin/autoscaling?diagnostics=true&wt=json&indent=on
> {code}
> or API v2:
> {code}
> http://localhost:8983/v2/cluster/autoscaling?diagnostics=true&wt=json&indent=on
> {code}
> {code}
> {
>   "responseHeader":{
>     "status":0,
>     "QTime":30},
>   "cluster-policy":[{
>       "cores":"<10",
>       "node":"#ANY"},
>     {
>       "replica":"<2",
>       "shard":"#EACH",
>       "node":"#ANY"},
>     {
>       "nodeRole":"!overseer",
>       "replica":"#ANY"}],
>   "cluster-preferences":[{
>       "minimize":"cores",
>       "precision":3},
>     {
>       "maximize":"freedisk",
>       "precision":100},
>     {
>       "minimize":"sysLoadAvg",
>       "precision":10},
>     {
>       "minimize":"heapUsage",
>       "precision":10}],
>   "diagnostics":{
>     "sortedNodes":[{
>         "node":"127.0.1.1:8983_solr",
>         "cores":2,
>         "freedisk":69.68052673339844,
>         "sysLoadAvg":77.0,
>         "heapUsage":17.253869804602918},
>       {
>         "node":"127.0.1.1:7574_solr",
>         "cores":2,
>         "freedisk":69.68052673339844,
>         "sysLoadAvg":77.0,
>         "heapUsage":6.980811063081137}],
>     "violations":[]},
>   "WARNING":"This response format is experimental.  It is likely to change in the future."}
> {code}



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