Switch OpenWayback to CDX Indexing

CDX indexes scale better for large archives.

Steps

1. Generate CDX files:

   bin/cdx-indexer archive.warc.gz cdx-index/index.cdx
2. Edit WEB-INF/wayback.xml:

   <!-- Disable BDB collection -->
   <!-- <ref bean="localbdbcollection" /> -->
   <ref bean="localcdxcollection" />
3. Configure CDXCollection.xml with CompositeSearchResultSource if you have multiple indexes.
4. Map ARC/WARC paths using FlatFileResourceFileLocationDB.

Diagram

  flowchart LR
    A[CDX files] --> B[CompositeSearchResultSource]
    B --> C[OpenWayback queries]

Restart Tomcat after changes and monitor logs for missing paths.