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From "Shalin Shekhar Mangar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-7339) Upgrade Jetty to 9.3
Date Wed, 01 Apr 2015 20:11:53 GMT

    [ https://issues.apache.org/jira/browse/SOLR-7339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14391351#comment-14391351
] 

Shalin Shekhar Mangar commented on SOLR-7339:
---------------------------------------------

Yep, we're going to Jetty 9 soon. See SOLR-4839 where I already upgraded to Jetty 9.2 in trunk
so that we could go to SPDY but then SPDY was deprecated and HTTP/2 will come out in 9.3.
So my next plan is to target 9.3 as soon as it is out and then use Jetty's HTTP client throughout.
In the meanwhile, I'll port Jetty 9.2 to 5.x branches after 5.1 is released.

If you don't mind, I will close this issue and we can continue the discussion on SOLR-4839.

> Upgrade Jetty to 9.3
> --------------------
>
>                 Key: SOLR-7339
>                 URL: https://issues.apache.org/jira/browse/SOLR-7339
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Gregg Donovan
>
> Jetty 9.3 offers support for HTTP/2. Interest in HTTP/2 or its predecessor SPDY was shown
in [SOLR-6699|https://issues.apache.org/jira/browse/SOLR-6699] and [on the mailing list|http://markmail.org/message/jyhcmwexn65gbdsx].
> Among the HTTP/2 benefits over HTTP/1.1 relevant to Solr are:
> * multiplexing requests over a single TCP connection ("streams")
> * canceling a single request without closing the TCP connection
> * removing [head-of-line blocking|https://http2.github.io/faq/#why-is-http2-multiplexed]
> * header compression
> Caveats:
> * Jetty 9.3 is at M2, not released.
> * Full Solr support for HTTP/2 would require more work than just upgrading Jetty. The
server configuration would need to change and a new HTTP client ([Jetty's own client|https://github.com/eclipse/jetty.project/tree/master/jetty-http2],
[Square's OkHttp|http://square.github.io/okhttp/], [etc.|https://github.com/http2/http2-spec/wiki/Implementations])
would need to be selected and wired up. Perhaps this is worthy of a branch?



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