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https://issues.apache.org/jira/browse/SOLR-6806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14332368#comment-14332368
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Shawn Heisey commented on SOLR-6806:
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bq. Folks who care a lot about the num bytes they have to download should be
encouraged to use the source releases and compile themselves
This is somewhat deceptive in terms of what has to be downloaded. Let's say
that a user starts with a clean system that already has all the required tools
downloaded and installed - ant, the jdk, etc. The solr source download for
5.0.0 is 35MB, which is considerably smaller than the 128MB (zip) or 122 MB
(tgz) binary download. So far so good, but you're not done getting large
amounts of data from the Internet yet. Building the 5.0.0 server target will
download 119MB into the ivy cache, so the total download required is larger
than the binary. Additional builds will use the already downloaded cache, of
course.
Side note: I found it interesting that the Lucene core builds *before* any
third-party libraries are downloaded. It's pretty awesome that the most
important piece of the puzzle is written entirely with code native to the JDK.
> Reduce the size of the main Solr binary download
> ------------------------------------------------
>
> Key: SOLR-6806
> URL: https://issues.apache.org/jira/browse/SOLR-6806
> Project: Solr
> Issue Type: Task
> Components: Build
> Affects Versions: 5.0
> Reporter: Shawn Heisey
>
> There has been a lot of recent discussion about how large the Solr download
> is, and how to reduce its size. The last release (4.10.2) weighs in at 143MB
> for the tar and 149MB for the zip.
> Most users do not need the full download. They may never need contrib
> features, or they may only need one or two, with DIH being the most likely
> choice. They could likely get by with a download that's less than 40 MB.
> Our primary competition has a 29MB zip download for the release that's
> current right now, and not too long ago, that was about 20MB. I didn't look
> very deep, but any additional features that might be available for download
> were not immediately apparent on their website. I'm sure they exist, but I
> would guess that most users never need those features, so most users never
> even see them.
> Solr, by contrast, has everything included ... a "kitchen sink" approach.
> Once you get past the long download time and fire up the example, you're
> presented with configs that include features you're likely to never use.
> Although this offers maximum flexibility, I think it also serves to cause
> confusion in a new user.
> A much better option would be to create a core download that includes only a
> minimum set of features, probably just the war, the example servlet
> container, and an example config that only uses the functionality present in
> the war. We can create additional downloads that offer additional
> functionality and configs ... DIH would be a very small addon that would
> likely be downloaded frequently.
> SOLR-5103 describes a plugin infrastructure which would make it very easy to
> offer a small core download and then let the user download additional
> functionality using scripts or the UI.
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