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Posted to dev@lucene.apache.org by "Shawn Heisey (JIRA)" <ji...@apache.org> on 2015/04/22 04:49:58 UTC
[jira] [Commented] (SOLR-7442) HttpClient replacement for HTTP/2.0
[ https://issues.apache.org/jira/browse/SOLR-7442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14506295#comment-14506295 ]
Shawn Heisey commented on SOLR-7442:
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HTTP/2 support would be awesome. Incredibly awesome. I'm absolutely sure it would be more efficient. I read the entire draft RFC, and I'm *really* excited about the technology and how it is going to improve performance on the world wide web.
I do not think, however, that most users would see an *ENORMOUS* efficiency increase from HTTP/2, particularly if they are on a switched LAN that's gigabit or faster. If you're accessing your Solr instance across a high-latency network like the Internet or a private WAN, then you probably would see a noticeable performance boost ... but I don't think this describes most users.
If switching http libraries is a significant amount of change to the codebase, which I suspect it would be, I don't think HTTP/2 is enough of a reason to endure the pain. We should only switch if there are significant advantages in other areas, such as ease of use, stability, a significant jump in LAN-based performance benchmarks, etc.
I could be wrong about how invasive a change in libraries is, of course. If it's not a major pain, let's give it a try and see whether there is any verifiable advantage on a well-configured LAN.
> HttpClient replacement for HTTP/2.0
> -----------------------------------
>
> Key: SOLR-7442
> URL: https://issues.apache.org/jira/browse/SOLR-7442
> Project: Solr
> Issue Type: New Feature
> Reporter: Ishan Chattopadhyaya
>
> Given that it would take about a year for Apache HC's HttpClient to support HTTP/2 (as per [~olegk] in SOLR-6865), adding this issue for exploring the way forward. It would be preferable to move to HTTP/2 and be able to use features like async http calls. Maybe we could look for alternatives to HC HttpClient, (e.g. Jetty's HttpClient)?
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