Ronald Matamoros created SOLR-6154:
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Summary: SolrCloud: facet range option f.<field>.facet.mincount=1
omits buckets on response
Key: SOLR-6154
URL: https://issues.apache.org/jira/browse/SOLR-6154
Project: Solr
Issue Type: Bug
Affects Versions: 4.8.1, 4.5.1
Environment: Solr 4.5.1 under Linux - explicit id routing
Indexed 400,000+ Documents
explicit routing
custom schema.xml
Solr 4.8.1 under Windows+Cygwin
Indexed 6 Documents
implicit id routing
out of the box schema
Reporter: Ronald Matamoros
Attached
- PDF with instructions on how to replicate.
- data.xml to replicate index
The f.<field>.facet.mincount option on a distributed search gives inconsistent
list of buckets on a range facet.
Experiencing that some buckets are ignored when using the option
"f.<field>.facet.mincount=1".
The Solr logs do not indicate any error or warning during execution.
The debug=true option and increasing the log levels to the FacetComponent do
not provide any hints to the behaviour.
Replicated the issue on both Solr 4.5.1 & 4.8.1.
Example,
Removing the f.<field>.facet.mincount=1 option gives the expected list of
buckets for the 6 documents matched.
<lst name="facet_ranges">
<lst name="price">
<lst name="counts">
<int name="0.0">0</int>
<int name="50.0">1</int>
<int name="100.0">0</int>
<int name="150.0">3</int>
<int name="200.0">0</int>
<int name="250.0">1</int>
<int name="300.0">0</int>
<int name="350.0">0</int>
<int name="400.0">0</int>
<int name="450.0">0</int>
<int name="500.0">0</int>
<int name="550.0">0</int>
<int name="600.0">0</int>
<int name="650.0">0</int>
<int name="700.0">0</int>
<int name="750.0">1</int>
<int name="800.0">0</int>
<int name="850.0">0</int>
<int name="900.0">0</int>
<int name="950.0">0</int>
</lst>
<float name="gap">50.0</float>
<float name="start">0.0</float>
<float name="end">1000.0</float>
<int name="before">0</int>
<int name="after">0</int>
<int name="between">2</int>
</lst>
</lst>
Using the f.<field>.facet.mincount=1 option removes the 0 count buckets but
will also omit bucket <int name="250.0">
<lst name="facet_ranges">
<lst name="price">
<lst name="counts">
<int name="50.0">1</int>
<int name="150.0">3</int>
<int name="750.0">1</int>
</lst>
<float name="gap">50.0</float>
<float name="start">0.0</float>
<float name="end">1000.0</float>
<int name="before">0</int>
<int name="after">0</int>
<int name="between">4</int>
</lst>
</lst>
Resubmitting the query renders a different bucket list
(May need to resubmit a couple times)
<lst name="facet_ranges">
<lst name="price">
<lst name="counts">
<int name="150.0">3</int>
<int name="250.0">1</int>
</lst>
<float name="gap">50.0</float>
<float name="start">0.0</float>
<float name="end">1000.0</float>
<int name="before">0</int>
<int name="after">0</int>
<int name="between">2</int>
</lst>
</lst>
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