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https://issues.apache.org/jira/browse/SOLR-12343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16540576#comment-16540576
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Lucene/Solr QA commented on SOLR-12343:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m
0s{color} | {color:green} The patch appears to include 1 new or modified test
files. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 13m
36s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 16m
20s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 16m
20s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} Release audit (RAT) {color} |
{color:green} 17m 13s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} Check forbidden APIs {color} |
{color:green} 16m 20s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} Validate source patterns {color} |
{color:green} 16m 20s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} Validate ref guide {color} |
{color:green} 16m 20s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}153m 34s{color}
| {color:red} core in the patch failed. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}213m 21s{color} |
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests |
solr.cloud.api.collections.TestCollectionsAPIViaSolrCloudCluster |
| | solr.cloud.cdcr.CdcrBidirectionalTest |
| | solr.cloud.autoscaling.sim.TestExecutePlanAction |
| | solr.cloud.autoscaling.SearchRateTriggerIntegrationTest |
| | solr.cloud.api.collections.ShardSplitTest |
| | solr.cloud.autoscaling.sim.TestLargeCluster |
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|| Subsystem || Report/Notes ||
| JIRA Issue | SOLR-12343 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12930878/SOLR-12343.patch |
| Optional Tests | compile javac unit ratsources checkforbiddenapis
validatesourcepatterns validaterefguide |
| uname | Linux lucene2-us-west.apache.org 4.4.0-112-generic #135-Ubuntu SMP
Fri Jan 19 11:48:36 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | ant |
| Personality |
/home/jenkins/jenkins-slave/workspace/PreCommit-SOLR-Build/sourcedir/dev-tools/test-patch/lucene-solr-yetus-personality.sh
|
| git revision | master / fe180bb |
| ant | version: Apache Ant(TM) version 1.9.6 compiled on July 8 2015 |
| Default Java | 1.8.0_172 |
| unit |
https://builds.apache.org/job/PreCommit-SOLR-Build/142/artifact/out/patch-unit-solr_core.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-SOLR-Build/142/testReport/ |
| modules | C: solr/core solr/solr-ref-guide U: solr |
| Console output |
https://builds.apache.org/job/PreCommit-SOLR-Build/142/console |
| Powered by | Apache Yetus 0.7.0 http://yetus.apache.org |
This message was automatically generated.
> JSON Field Facet refinement can return incorrect counts/stats for sorted
> buckets
> --------------------------------------------------------------------------------
>
> Key: SOLR-12343
> URL: https://issues.apache.org/jira/browse/SOLR-12343
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Hoss Man
> Assignee: Yonik Seeley
> Priority: Major
> Attachments: SOLR-12343.patch, SOLR-12343.patch, SOLR-12343.patch,
> SOLR-12343.patch, SOLR-12343.patch, SOLR-12343.patch,
> __incomplete_processEmpty_microfix.patch
>
>
> The way JSON Facet's simple refinement "re-sorts" buckets after refinement
> can cause _refined_ buckets to be "bumped out" of the topN based on the
> refined counts/stats depending on the sort - causing _unrefined_ buckets
> originally discounted in phase#2 to bubble up into the topN and be returned
> to clients *with inaccurate counts/stats*
> The simplest way to demonstrate this bug (in some data sets) is with a
> {{sort: 'count asc'}} facet:
> * assume shard1 returns termX & termY in phase#1 because they have very low
> shard1 counts
> ** but *not* returned at all by shard2, because these terms both have very
> high shard2 counts.
> * Assume termX has a slightly lower shard1 count then termY, such that:
> ** termX "makes the cut" off for the limit=N topN buckets
> ** termY does not make the cut, and is the "N+1" known bucket at the end of
> phase#1
> * termX then gets included in the phase#2 refinement request against shard2
> ** termX now has a much higher _known_ total count then termY
> ** the coordinator now sorts termX "worse" in the sorted list of buckets
> then termY
> ** which causes termY to bubble up into the topN
> * termY is ultimately included in the final result _with incomplete
> count/stat/sub-facet data_ instead of termX
> ** this is all indepenent of the possibility that termY may actually have a
> significantly higher total count then termX across the entire collection
> ** the key problem is that all/most of the other terms returned to the
> client have counts/stats that are the cumulation of all shards, but termY
> only has the contributions from shard1
> Important Notes:
> * This scenerio can happen regardless of the amount of overrequest used.
> Additional overrequest just increases the number of "extra" terms needed in
> the index with "better" sort values then termX & termY in shard2
> * {{sort: 'count asc'}} is not just an exceptional/pathelogical case:
> ** any function sort where additional data provided shards during refinement
> can cause a bucket to "sort worse" can also cause this problem.
> ** Examples: {{sum(price_i) asc}} , {{min(price_i) desc}} , {{avg(price_i)
> asc|desc}} , etc...
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