Cassandra Targett created SOLR-10298:
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Summary: Reduce size of new Ref Guide PDF
Key: SOLR-10298
URL: https://issues.apache.org/jira/browse/SOLR-10298
Project: Solr
Issue Type: Sub-task
Security Level: Public (Default Security Level. Issues are Public)
Components: documentation
Reporter: Cassandra Targett
The new Ref Guide PDF is ~31Mb in size, which is more than 2x the current PDF
produced by Confluence (which is 14Mb).
The asciidoctor-pdf project has a script to optimize the PDF, mostly by scaling
down images. When I run this tool on the new PDF, the size is reduced to ~18Mb.
(More info on this script:
https://github.com/asciidoctor/asciidoctor-pdf#optional-scripts).
Some of the current image files are very large in size, so I believe that by
scaling the images down, we can make the size smaller without adding a step in
the build to run the optimize script programmatically (it also has a dependency
on GhostScript, so it would be nice to not add another dependency if it can be
avoided).
The new PDF is also about 300 pages longer, but this issue is primarily
concerned with file size. However, reducing the number of pages will also make
it smaller. A few things that could be tried to reduce the # of pages:
* Reduce font sizes
* Increase page margins
* Review options for when a forced page-break is used and modify if possible
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