See here:
https://lucidworks.com/blog/2013/06/13/solr-cloud-document-routing/
The default is to take 16 bits from the prefix and 16 from the ID.
Not sure about the second part of your question, maybe someone else can answer
that.
On Wednesday, October 12, 2016 9:26 PM, "Huang, Daniel"
<daniel.hu...@bnymellon.com> wrote:
Hi,
I was reading about document routing with CompositId
(https://cwiki.apache.org/confluence/display/solr/Shards+and+Indexing+Data+in+SolrCloud).
The document says that I could prefix a shard key to a document ID like
“IBM!12345”. It further mentioned that I could specify the number of bit for
the shard key like “IBM/3!12345”. My question is, what is the default number of
bit for the shard key when it is not specified? That is, what is n when
“IBM/n!12345” is equivalent to “IBM/12345”.
Another question is regarding 2-level routing prefix. Does it support number of
bit as well? For example, does something like “USA/2!IBM/3!12345” work?
Thanks
Daniel
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