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Type:
Bug
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Status: Resolved
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Priority:
Minor
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Resolution: Fixed
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Affects Version/s: 6.0
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Component/s: SearchComponents - other, SolrCloud
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Labels:None
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?
- relates to
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SOLR-6386 make secondary ordering of facet.field values (and facet.pivot?) consistently deterministic
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- Open
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