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From Shalin Shekhar Mangar <shalinman...@gmail.com>
Subject Re: node sort order and policy
Date Wed, 05 Sep 2018 02:34:26 GMT
The "sortedNodes" shows the nodes in the system from the most loaded to
least loaded order. All other things being equal, a node having the least
free disk space will come first and the last node will be the one with the
most available disk space.

On Wed, Sep 5, 2018 at 3:01 AM Kudrettin Güleryüz <kudrettin@gmail.com>
wrote:

> Given exhibit A which shows the current sort order on a 7.3.1 cloud
> installation, why would the sort order be from less freedisk to more
> freedisk? Shouldn't it be the reverse since the number of cores is the same
> for all nodes? preferences and policies are listed in exhibit B.
>
> Thank you,
>
>
> Exhibit A: (autoscaling/diagnostics)
> {
>
>   "responseHeader":{
>     "status":0,
>     "QTime":281},
>   "diagnostics":{
>     "sortedNodes":[{
>         "node":"test-46:8983_solr",
>         "cores":138,
>         "freedisk":289.32603454589844,
>         "sysLoadAvg":88.0},
>       {
>         "node":"test-44:8983_solr",
>         "cores":138,
>         "freedisk":303.9487609863281,
>         "sysLoadAvg":122.0},
>       {
>         "node":"test-45:8983_solr",
>         "cores":138,
>         "freedisk":323.1516571044922,
>         "sysLoadAvg":166.0},
>       {
>         "node":"test-43:8983_solr",
>         "cores":138,
>         "freedisk":325.2588005065918,
>         "sysLoadAvg":107.0},
>       {
>         "node":"test-41:8983_solr",
>         "cores":138,
>         "freedisk":334.3892288208008,
>         "sysLoadAvg":56.99999999999999},
>       {
>         "node":"test-42:8983_solr",
>         "cores":138,
>         "freedisk":360.2049674987793,
>         "sysLoadAvg":98.0}],
>     "violations":[]},
>   "WARNING":"This response format is experimental.  It is likely to
> change in the future."}
>
>
> Exhibit B: (admin/autoscaling)
>
>  "cluster-preferences":[{
>       "minimize":"cores",
>       "precision":1}
>     ,{
>       "maximize":"freedisk",
>       "precision":10}
>     ,{
>       "minimize":"sysLoadAvg",
>       "precision":3}],
>   "cluster-policy":[{
>       "replica":"<2",
>       "node":"#ANY"}
>     ,{
>       "replica":"0",
>       "freedisk":"<10",
>       "strict":"true"}],
>


-- 
Regards,
Shalin Shekhar Mangar.

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