[jira] Commented: (SOLR-844) A SolrServer impl to front-end multiple urls

["Jason Falk (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12758841#action_12758841 ] 

Jason Falk commented on SOLR-844:
---------------------------------

There seems to be an issue here with the check interval.  The documentation and even the default value assume that the check interval is measured in milliseconds, when in fact the code below has the TimeUnit as seconds.

getAliveCheckRunner(new WeakReference<LBHttpSolrServer>(this)), this.interval, this.interval, TimeUnit.SECONDS);

So basically right now the check interval is 60,000 seconds...yikes.

> A SolrServer impl to front-end multiple urls
> --------------------------------------------
>
>                 Key: SOLR-844
>                 URL: https://issues.apache.org/jira/browse/SOLR-844
>             Project: Solr
>          Issue Type: New Feature
>          Components: clients - java
>    Affects Versions: 1.3
>            Reporter: Noble Paul
>            Assignee: Shalin Shekhar Mangar
>             Fix For: 1.4
>
>         Attachments: SOLR-844.patch, SOLR-844.patch, SOLR-844.patch, SOLR-844.patch, SOLR-844.patch, SOLR-844.patch, SOLR-844.patch, SOLR-844.patch
>
>
> Currently a {{CommonsHttpSolrServer}} can talk to only one server. This demands that the user have a LoadBalancer or do the roundrobin on their own. We must have a {{LBHttpSolrServer}} which must automatically do a Loadbalancing between multiple hosts. This can be backed by the {{CommonsHttpSolrServer}}
> This can have the following other features
> * Automatic failover
> * Optionally take in  a file /url containing the the urls of servers so that the server list can be automatically updated  by periodically loading the config
> * Support for adding removing servers during runtime
> * Pluggable Loadbalancing mechanism. (round-robin, weighted round-robin, random etc)
> * Pluggable Failover mechanisms

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