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Posted to dev@lucene.apache.org by "Cao Manh Dat (JIRA)" <ji...@apache.org> on 2018/09/03 11:24:00 UTC
[jira] [Comment Edited] (SOLR-12641) Http2SolrClient should be able
to connect to old Solr nodes.
[ https://issues.apache.org/jira/browse/SOLR-12641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16602046#comment-16602046 ]
Cao Manh Dat edited comment on SOLR-12641 at 9/3/18 11:23 AM:
--------------------------------------------------------------
The first solution is
* Using HTTP/1.1 as default for {{Http2SolrClient}} in Solr 8.0, therefore nodes will communicate with others using HTTP/1.1 (note that servers still accept both HTTP/1.1 and HTTP/2 connections)
* Do rolling updates
* When all nodes are in version 8.0, restart nodes with enabling HTTP/2 flag for {{Http2SolrClient}}, therefore nodes will communicate with others using HTTP/2 from thereafter.
What do you guys think [~elyograg], [~steve_rowe], [~shalinmangar]
was (Author: caomanhdat):
One possible strategy here is
* Using HTTP/1.1 as default for {{Http2SolrClient}} in Solr 8.0
* Do rolling updates
* When all nodes are in version 8.0, restart nodes with enabling HTTP/2 flag for {{Http2SolrClient}}
What do you guys think [~elyograg], [~steve_rowe], [~shalinmangar]
> Http2SolrClient should be able to connect to old Solr nodes.
> ------------------------------------------------------------
>
> Key: SOLR-12641
> URL: https://issues.apache.org/jira/browse/SOLR-12641
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Cao Manh Dat
> Priority: Major
>
> Right now, Http2SolrClient can't connect to old Solr nodes, this seems an issue of Jetty HTTP client (https://github.com/eclipse/jetty.project/issues/1308). To support rolling updates, this problem must be solved.
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