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https://issues.apache.org/jira/browse/LUCENE-5775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14035974#comment-14035974
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Michael McCandless commented on LUCENE-5775:
--------------------------------------------
bq. So maybe we should change defaults. Should we open SOLR issue?
OK I'll open a Solr issue.
> JaspellTernarySearchTrie.ramBytesUsed hits StackOverflowError
> -------------------------------------------------------------
>
> Key: LUCENE-5775
> URL: https://issues.apache.org/jira/browse/LUCENE-5775
> Project: Lucene - Core
> Issue Type: Bug
> Affects Versions: 4.9, 5.0
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Priority: Minor
>
> I hit this when trying to run LookupBenchmarkTest for LUCENE-5752:
> {noformat}
> [junit4] 2> NOTE: reproduce with: ant test
> -Dtestcase=LookupBenchmarkTest -Dtests.method=testStorageNeeds
> -Dtests.seed=EA0FADB2EE37D385 -Dtests.locale=es_ES
> -Dtests.timezone=Etc/Greenwich -Dtests.file.encoding=UTF-8
> [junit4] ERROR 1.89s | LookupBenchmarkTest.testStorageNeeds <<<
> [junit4] > Throwable #1: java.lang.StackOverflowError
> [junit4] > at
> __randomizedtesting.SeedInfo.seed([EA0FADB2EE37D385:DF8106BCB29C472F]:0)
> [junit4] > at java.lang.Class.getMethod0(Class.java:2774)
> [junit4] > at
> java.lang.Class.isCheckMemberAccessOverridden(Class.java:2214)
> [junit4] > at java.lang.Class.checkMemberAccess(Class.java:2233)
> [junit4] > at java.lang.Class.getDeclaredFields(Class.java:1805)
> [junit4] > at
> org.apache.lucene.util.RamUsageEstimator.shallowSizeOfInstance(RamUsageEstimator.java:351)
> [junit4] > at
> org.apache.lucene.util.RamUsageEstimator.shallowSizeOf(RamUsageEstimator.java:329)
> [junit4] > at
> org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:100)
> [junit4] > at
> org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
> [junit4] > at
> org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
> [junit4] > at
> org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
> [junit4] > at
> org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
> [junit4] > at
> org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
> [junit4] > at
> org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
> [junit4] > at
> org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
> [junit4] > at
> org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
> [junit4] > at
> org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
> [junit4] > at
> org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
> [junit4] > at
> org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
> [junit4] > at
> org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
> {noformat}
> I think we should just remove/deprecate this suggester? The FST based
> suggesters are far more RAM efficient...
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