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Posted to dev@lucene.apache.org by "Varun Thacker (JIRA)" <ji...@apache.org> on 2018/06/20 21:32:00 UTC
[jira] [Assigned] (SOLR-11598) Export Writer needs to support more
than 4 Sort fields - Say 10, ideally it should not be bound at all, but 4
seems to really short sell the StreamRollup capabilities.
[ https://issues.apache.org/jira/browse/SOLR-11598?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Varun Thacker reassigned SOLR-11598:
------------------------------------
Assignee: Varun Thacker
> Export Writer needs to support more than 4 Sort fields - Say 10, ideally it should not be bound at all, but 4 seems to really short sell the StreamRollup capabilities.
> -----------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-11598
> URL: https://issues.apache.org/jira/browse/SOLR-11598
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: streaming expressions
> Affects Versions: 6.6.1, 7.0
> Reporter: Aroop
> Assignee: Varun Thacker
> Priority: Major
> Labels: patch
> Attachments: SOLR-11598-6_6-streamtests, SOLR-11598-6_6.patch, SOLR-11598-master.patch, SOLR-11598.patch, SOLR-11598.patch, SOLR-11598.patch, SOLR-11598.patch
>
>
> I am a user of Streaming and I am currently trying to use rollups on an 10 dimensional document.
> I am unable to get correct results on this query as I am bounded by the limitation of the export handler which supports only 4 sort fields.
> I do not see why this needs to be the case, as it could very well be 10 or 20.
> My current needs would be satisfied with 10, but one would want to ask why can't it be any decent integer n, beyond which we know performance degrades, but even then it should be caveat emptor.
> [~varunthacker]
> Code Link:
> https://github.com/apache/lucene-solr/blob/19db1df81a18e6eb2cce5be973bf2305d606a9f8/solr/core/src/java/org/apache/solr/handler/ExportWriter.java#L455
> Error
> null:java.io.IOException: A max of 4 sorts can be specified
> at org.apache.solr.handler.ExportWriter.getSortDoc(ExportWriter.java:452)
> at org.apache.solr.handler.ExportWriter.writeDocs(ExportWriter.java:228)
> at org.apache.solr.handler.ExportWriter.lambda$null$1(ExportWriter.java:219)
> at org.apache.solr.common.util.JavaBinCodec.writeIterator(JavaBinCodec.java:664)
> at org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:333)
> at org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:223)
> at org.apache.solr.common.util.JavaBinCodec$1.put(JavaBinCodec.java:394)
> at org.apache.solr.handler.ExportWriter.lambda$null$2(ExportWriter.java:219)
> at org.apache.solr.common.util.JavaBinCodec.writeMap(JavaBinCodec.java:437)
> at org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:354)
> at org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:223)
> at org.apache.solr.common.util.JavaBinCodec$1.put(JavaBinCodec.java:394)
> at org.apache.solr.handler.ExportWriter.lambda$write$3(ExportWriter.java:217)
> at org.apache.solr.common.util.JavaBinCodec.writeMap(JavaBinCodec.java:437)
> at org.apache.solr.handler.ExportWriter.write(ExportWriter.java:215)
> at org.apache.solr.core.SolrCore$3.write(SolrCore.java:2601)
> at org.apache.solr.response.QueryResponseWriterUtil.writeQueryResponse(QueryResponseWriterUtil.java:49)
> at org.apache.solr.servlet.HttpSolrCall.writeResponse(HttpSolrCall.java:809)
> at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:538)
> at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:361)
> at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:305)
> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1691)
> at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582)
> at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
> at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
> at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
> at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
> at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)
> at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
> at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
> at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
> at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
> at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)
> at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
> at org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:335)
> at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
> at org.eclipse.jetty.server.Server.handle(Server.java:534)
> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)
> at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
> at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)
> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)
> at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
> at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
> at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
> at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
> at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
> at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
> at java.lang.Thread.run(Thread.java:745)
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