David Smiley created SOLR-11487:
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Summary: Collection Alias metadata for time partitioned collections
Key: SOLR-11487
URL: https://issues.apache.org/jira/browse/SOLR-11487
Project: Solr
Issue Type: Sub-task
Security Level: Public (Default Security Level. Issues are Public)
Components: SolrCloud
Reporter: David Smiley
SOLR-11299 outlines an approach to using a collection Alias to refer to a
series of collections of a time series. We'll need to store some metadata about
these time series collections, such as which field of the document contains the
timestamp to route on.
The current {{/aliases.json}} is a Map with a key {{collection}} which is in
turn a Map of alias name strings to a comma delimited list of the collections.
_If we change the comma delimited list to be another Map to hold the existing
list and more stuff, older CloudSolrClient (configured to talk to ZooKeeper)
will break_. Although if it's configured with an HTTP Solr URL then it would
not break. There's also some read/write hassle to worry about -- we may need
to continue to read an aliases.json in the older format.
Alternatively, we could add a new map entry to aliases.json, say,
{{collection_metadata}} keyed by alias name?
Perhaps another very different approach is to attach metadata to the configset
in use?
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