[SOLR-6314] Facet counts duplicated in the response if specified more than once on the request. - ASF JIRA

Details

Type: Bug
Status: Resolved
Priority: Minor
Resolution: Fixed
Affects Version/s: 6.0
Fix Version/s: 4.10, 6.0
Component/s: SearchComponents - other, SolrCloud
Labels:
None

Description

I am trying to work with multi-threaded faceting on SolrCloud and in the process i was hit by some issues.

I am currently running the below upstream test on different SolrCloud configurations and i am getting a different result set per configuration.
https://github.com/apache/lucene-solr/blob/trunk/solr/core/src/test/org/apache/solr/request/TestFaceting.java#L654

Setup:

Indexed 50 docs into SolrCloud.

If the SolrCloud has only 1 shard, the facet field query has the below output (which matches with the expected upstream test output - # facet fields ~ 50).

$ curl  "http://localhost:8983/solr/collection1/select?facet=true&fl=id&indent=true&q=id%3A*&facet.limit=-1&facet.threads=1000&facet.field=f0_ws&facet.field=f0_ws&facet.field=f0_ws&facet.field=f0_ws&facet.field=f0_ws&facet.field=f1_ws&facet.field=f1_ws&facet.field=f1_ws&facet.field=f1_ws&facet.field=f1_ws&facet.field=f2_ws&facet.field=f2_ws&facet.field=f2_ws&facet.field=f2_ws&facet.field=f2_ws&facet.field=f3_ws&facet.field=f3_ws&facet.field=f3_ws&facet.field=f3_ws&facet.field=f3_ws&facet.field=f4_ws&facet.field=f4_ws&facet.field=f4_ws&facet.field=f4_ws&facet.field=f4_ws&facet.field=f5_ws&facet.field=f5_ws&facet.field=f5_ws&facet.field=f5_ws&facet.field=f5_ws&facet.field=f6_ws&facet.field=f6_ws&facet.field=f6_ws&facet.field=f6_ws&facet.field=f6_ws&facet.field=f7_ws&facet.field=f7_ws&facet.field=f7_ws&facet.field=f7_ws&facet.field=f7_ws&facet.field=f8_ws&facet.field=f8_ws&facet.field=f8_ws&facet.field=f8_ws&facet.field=f8_ws&facet.field=f9_ws&facet.field=f9_ws&facet.field=f9_ws&facet.field=f9_ws&facet.field=f9_ws&rows=1&wt=xml"

<?xml version="1.0" encoding="UTF-8"?>
<response>
<lst name="responseHeader">
  <int name="status">0</int>
  <int name="QTime">21</int>
  <lst name="params">
    <str name="facet">true</str>
    <str name="fl">id</str>
    <str name="indent">true</str>
    <str name="q">id:*</str>
    <str name="facet.limit">-1</str>
    <str name="facet.threads">1000</str>
    <arr name="facet.field">
      <str>f0_ws</str>
      <str>f0_ws</str>
      <str>f0_ws</str>
      <str>f0_ws</str>
      <str>f0_ws</str>
      <str>f1_ws</str>
      <str>f1_ws</str>
      <str>f1_ws</str>
      <str>f1_ws</str>
      <str>f1_ws</str>
      <str>f2_ws</str>
      <str>f2_ws</str>
      <str>f2_ws</str>
      <str>f2_ws</str>
      <str>f2_ws</str>
      <str>f3_ws</str>
      <str>f3_ws</str>
      <str>f3_ws</str>
      <str>f3_ws</str>
      <str>f3_ws</str>
      <str>f4_ws</str>
      <str>f4_ws</str>
      <str>f4_ws</str>
      <str>f4_ws</str>
      <str>f4_ws</str>
      <str>f5_ws</str>
      <str>f5_ws</str>
      <str>f5_ws</str>
      <str>f5_ws</str>
      <str>f5_ws</str>
      <str>f6_ws</str>
      <str>f6_ws</str>
      <str>f6_ws</str>
      <str>f6_ws</str>
      <str>f6_ws</str>
      <str>f7_ws</str>
      <str>f7_ws</str>
      <str>f7_ws</str>
      <str>f7_ws</str>
      <str>f7_ws</str>
      <str>f8_ws</str>
      <str>f8_ws</str>
      <str>f8_ws</str>
      <str>f8_ws</str>
      <str>f8_ws</str>
      <str>f9_ws</str>
      <str>f9_ws</str>
      <str>f9_ws</str>
      <str>f9_ws</str>
      <str>f9_ws</str>
    </arr>
    <str name="wt">xml</str>
    <str name="rows">1</str>
  </lst>
</lst>
<result name="response" numFound="50" start="0">
  <doc>
    <float name="id">0.0</float></doc>
</result>
<lst name="facet_counts">
  <lst name="facet_queries"/>
  <lst name="facet_fields">
    <lst name="f0_ws">
      <int name="zero_1">25</int>
      <int name="zero_2">25</int>
    </lst>
    <lst name="f0_ws">
      <int name="zero_1">25</int>
      <int name="zero_2">25</int>
    </lst>
    <lst name="f0_ws">
      <int name="zero_1">25</int>
      <int name="zero_2">25</int>
    </lst>
    <lst name="f0_ws">
      <int name="zero_1">25</int>
      <int name="zero_2">25</int>
    </lst>
    <lst name="f0_ws">
      <int name="zero_1">25</int>
      <int name="zero_2">25</int>
    </lst>
    <lst name="f1_ws">
      <int name="one_1">33</int>
      <int name="one_3">17</int>
    </lst>
    <lst name="f1_ws">
      <int name="one_1">33</int>
      <int name="one_3">17</int>
    </lst>
    <lst name="f1_ws">
      <int name="one_1">33</int>
      <int name="one_3">17</int>
    </lst>
    <lst name="f1_ws">
      <int name="one_1">33</int>
      <int name="one_3">17</int>
    </lst>
    <lst name="f1_ws">
      <int name="one_1">33</int>
      <int name="one_3">17</int>
    </lst>
    <lst name="f2_ws">
      <int name="two_1">37</int>
      <int name="two_4">13</int>
    </lst>
    <lst name="f2_ws">
      <int name="two_1">37</int>
      <int name="two_4">13</int>
    </lst>
    <lst name="f2_ws">
      <int name="two_1">37</int>
      <int name="two_4">13</int>
    </lst>
    <lst name="f2_ws">
      <int name="two_1">37</int>
      <int name="two_4">13</int>
    </lst>
    <lst name="f2_ws">
      <int name="two_1">37</int>
      <int name="two_4">13</int>
    </lst>
    <lst name="f3_ws">
      <int name="three_1">40</int>
      <int name="three_5">10</int>
    </lst>

    <lst name="f3_ws">
      <int name="three_1">40</int>
      <int name="three_5">10</int>
    </lst>
    <lst name="f3_ws">
      <int name="three_1">40</int>
      <int name="three_5">10</int>
    </lst>
    <lst name="f3_ws">
      <int name="three_1">40</int>
      <int name="three_5">10</int>
    </lst>
    <lst name="f3_ws">
      <int name="three_1">40</int>
      <int name="three_5">10</int>
    </lst>
    <lst name="f4_ws">
      <int name="four_1">41</int>
      <int name="four_6">9</int>
    </lst>
    <lst name="f4_ws">
      <int name="four_1">41</int>
      <int name="four_6">9</int>
    </lst>
    <lst name="f4_ws">
      <int name="four_1">41</int>
      <int name="four_6">9</int>
    </lst>
    <lst name="f4_ws">
      <int name="four_1">41</int>
      <int name="four_6">9</int>
    </lst>
    <lst name="f4_ws">
      <int name="four_1">41</int>
      <int name="four_6">9</int>
    </lst>
    <lst name="f5_ws">
      <int name="five_1">42</int>
      <int name="five_7">8</int>
    </lst>
    <lst name="f5_ws">
      <int name="five_1">42</int>
      <int name="five_7">8</int>
    </lst>
    <lst name="f5_ws">
      <int name="five_1">42</int>
      <int name="five_7">8</int>
    </lst>
    <lst name="f5_ws">
      <int name="five_1">42</int>
      <int name="five_7">8</int>
    </lst>
    <lst name="f5_ws">
      <int name="five_1">42</int>
      <int name="five_7">8</int>
    </lst>
    <lst name="f6_ws">
      <int name="six_1">43</int>
      <int name="six_8">7</int>

    </lst>
    <lst name="f6_ws">
      <int name="six_1">43</int>
      <int name="six_8">7</int>
    </lst>
    <lst name="f6_ws">
      <int name="six_1">43</int>
      <int name="six_8">7</int>
    </lst>
    <lst name="f6_ws">
      <int name="six_1">43</int>
      <int name="six_8">7</int>
    </lst>
    <lst name="f6_ws">
      <int name="six_1">43</int>
      <int name="six_8">7</int>
    </lst>
    <lst name="f7_ws">
      <int name="seven_1">44</int>
      <int name="seven_9">6</int>
    </lst>
    <lst name="f7_ws">
      <int name="seven_1">44</int>
      <int name="seven_9">6</int>
    </lst>
    <lst name="f7_ws">
      <int name="seven_1">44</int>
      <int name="seven_9">6</int>
    </lst>
    <lst name="f7_ws">
      <int name="seven_1">44</int>
      <int name="seven_9">6</int>
    </lst>
    <lst name="f7_ws">
      <int name="seven_1">44</int>
      <int name="seven_9">6</int>
    </lst>
    <lst name="f8_ws">
      <int name="eight_1">45</int>
      <int name="eight_10">5</int>
    </lst>
    <lst name="f8_ws">
      <int name="eight_1">45</int>
      <int name="eight_10">5</int>
    </lst>
    <lst name="f8_ws">
      <int name="eight_1">45</int>
      <int name="eight_10">5</int>
    </lst>
    <lst name="f8_ws">
      <int name="eight_1">45</int>
      <int name="eight_10">5</int>
    </lst>
    <lst name="f8_ws">
      <int name="eight_1">45</int>
      <int name="eight_10">5</int>
    </lst>
    <lst name="f9_ws">
      <int name="nine_1">45</int>
      <int name="nine_11">5</int>
    </lst>
    <lst name="f9_ws">
      <int name="nine_1">45</int>
      <int name="nine_11">5</int>
    </lst>

    <lst name="f9_ws">
      <int name="nine_1">45</int>
      <int name="nine_11">5</int>
    </lst>
    <lst name="f9_ws">
      <int name="nine_1">45</int>
      <int name="nine_11">5</int>
    </lst>
    <lst name="f9_ws">
      <int name="nine_1">45</int>
      <int name="nine_11">5</int>
    </lst>
  </lst>
  <lst name="facet_dates"/>
  <lst name="facet_ranges"/>
</lst>
</response>

Now, if a create a new collection with 2 shards (>1 shard SolrCloud), the same above query results in a different output. (# facet fields ~ 10 ; Expected 50)

$ curl  "http://localhost:8983/solr/collection1/select?facet=true&fl=id&indent=true&q=id%3A*&facet.limit=-1&facet.threads=1000&facet.field=f0_ws&facet.field=f0_ws&facet.field=f0_ws&facet.field=f0_ws&facet.field=f0_ws&facet.field=f1_ws&facet.field=f1_ws&facet.field=f1_ws&facet.field=f1_ws&facet.field=f1_ws&facet.field=f2_ws&facet.field=f2_ws&facet.field=f2_ws&facet.field=f2_ws&facet.field=f2_ws&facet.field=f3_ws&facet.field=f3_ws&facet.field=f3_ws&facet.field=f3_ws&facet.field=f3_ws&facet.field=f4_ws&facet.field=f4_ws&facet.field=f4_ws&facet.field=f4_ws&facet.field=f4_ws&facet.field=f5_ws&facet.field=f5_ws&facet.field=f5_ws&facet.field=f5_ws&facet.field=f5_ws&facet.field=f6_ws&facet.field=f6_ws&facet.field=f6_ws&facet.field=f6_ws&facet.field=f6_ws&facet.field=f7_ws&facet.field=f7_ws&facet.field=f7_ws&facet.field=f7_ws&facet.field=f7_ws&facet.field=f8_ws&facet.field=f8_ws&facet.field=f8_ws&facet.field=f8_ws&facet.field=f8_ws&facet.field=f9_ws&facet.field=f9_ws&facet.field=f9_ws&facet.field=f9_ws&facet.field=f9_ws&rows=1&wt=xml"
 
<?xml version="1.0" encoding="UTF-8"?>
<response>
<lst name="responseHeader">
  <int name="status">0</int>
  <int name="QTime">31</int>
  <lst name="params">
    <str name="facet">true</str>
    <str name="fl">id</str>
    <str name="indent">true</str>
    <str name="q">id:*</str>
    <str name="facet.limit">-1</str>
    <str name="facet.threads">1000</str>
    <arr name="facet.field">
      <str>f0_ws</str>
      <str>f0_ws</str>
      <str>f0_ws</str>
      <str>f0_ws</str>
      <str>f0_ws</str>
      <str>f1_ws</str>
      <str>f1_ws</str>
      <str>f1_ws</str>
      <str>f1_ws</str>
      <str>f1_ws</str>
      <str>f2_ws</str>
      <str>f2_ws</str>
      <str>f2_ws</str>
      <str>f2_ws</str>
      <str>f2_ws</str>
      <str>f3_ws</str>
      <str>f3_ws</str>
      <str>f3_ws</str>
      <str>f3_ws</str>
      <str>f3_ws</str>
      <str>f4_ws</str>
      <str>f4_ws</str>
      <str>f4_ws</str>
      <str>f4_ws</str>
      <str>f4_ws</str>
      <str>f5_ws</str>
      <str>f5_ws</str>
      <str>f5_ws</str>
      <str>f5_ws</str>
      <str>f5_ws</str>
      <str>f6_ws</str>
      <str>f6_ws</str>
      <str>f6_ws</str>
      <str>f6_ws</str>
      <str>f6_ws</str>
      <str>f7_ws</str>
      <str>f7_ws</str>
      <str>f7_ws</str>
      <str>f7_ws</str>
      <str>f7_ws</str>
      <str>f8_ws</str>
      <str>f8_ws</str>
      <str>f8_ws</str>
      <str>f8_ws</str>
      <str>f8_ws</str>
      <str>f9_ws</str>
      <str>f9_ws</str>
      <str>f9_ws</str>
      <str>f9_ws</str>
      <str>f9_ws</str>
    </arr>
    <str name="wt">xml</str>
    <str name="rows">1</str>
  </lst>
</lst>
<result name="response" numFound="50" start="0" maxScore="1.0">
  <doc>
    <float name="id">2.0</float></doc>
</result>
<lst name="facet_counts">
  <lst name="facet_queries"/>
  <lst name="facet_fields">
    <lst name="f0_ws">
      <int name="zero_1">25</int>
      <int name="zero_2">25</int>
    </lst>
    <lst name="f1_ws">
      <int name="one_1">33</int>
      <int name="one_3">17</int>
    </lst>
    <lst name="f2_ws">
      <int name="two_1">37</int>
      <int name="two_4">13</int>
    </lst>
    <lst name="f3_ws">
      <int name="three_1">40</int>
      <int name="three_5">10</int>
    </lst>
    <lst name="f4_ws">
      <int name="four_1">41</int>
      <int name="four_6">9</int>
    </lst>
    <lst name="f5_ws">
      <int name="five_1">42</int>
      <int name="five_7">8</int>
    </lst>
    <lst name="f6_ws">
      <int name="six_1">43</int>
      <int name="six_8">7</int>
    </lst>
    <lst name="f7_ws">
      <int name="seven_1">44</int>
      <int name="seven_9">6</int>
    </lst>
    <lst name="f8_ws">
      <int name="eight_1">45</int>
      <int name="eight_10">5</int>
    </lst>
    <lst name="f9_ws">
      <int name="nine_1">45</int>
      <int name="nine_11">5</int>
    </lst>
  </lst>
  <lst name="facet_dates"/>
  <lst name="facet_ranges"/>
</lst>
</response>

This behavior is quite strange as it is being dependent on the number of shards in SolrCloud. It would be great if someone can shed some light on this?

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SOLR-6314.patch
18/Aug/14 20:11
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Erick Erickson
SOLR-6314.patch
15/Aug/14 05:06
9 kB
Erick Erickson
SOLR-6314.patch
08/Aug/14 04:42
8 kB
Erick Erickson

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SOLR-6386 make secondary ordering of facet.field values (and facet.pivot?) consistently deterministic

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Facet counts duplicated in the response if specified more than once on the request.

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