Alex Deparvu created SOLR-17035:
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Summary: Add trace id to jetty thread names to improve
debuggability via stack traces
Key: SOLR-17035
URL: https://issues.apache.org/jira/browse/SOLR-17035
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Alex Deparvu
Assignee: Alex Deparvu
Proposing to attach the trace id (if exists) data to the jetty thread names
(the 'qtp*-*' pool) for more help when debugging a Solr issue. this is a
pattern that already exists in Solr (putting the entire MDC context in the
name), this jira is to add a single id to the name.
Current format:
{noformat}
qtp1175371136-23 (23)
org.apache.lucene.codecs.lucene90.blocktree.SegmentTermsEnum.getFrame(SegmentTermsEnum.java:213)
org.apache.lucene.codecs.lucene90.blocktree.SegmentTermsEnum.pushFrame(SegmentTermsEnum.java:241)
org.apache.lucene.codecs.lucene90.blocktree.SegmentTermsEnum.seekExact(SegmentTermsEnum.java:494)
org.apache.lucene.index.TermStates.loadTermsEnum(TermStates.java:111)
org.apache.lucene.index.TermStates.build(TermStates.java:96)
{noformat}
Proposed:
{noformat}
qtp2090991873-68-localhost-2786 (68)
org.apache.lucene.analysis.CharArrayMap.containsKey(CharArrayMap.java:99)
org.apache.lucene.analysis.CharArraySet.contains(CharArraySet.java:89)
org.apache.lucene.analysis.StopFilter.accept(StopFilter.java:97)
org.apache.lucene.analysis.FilteringTokenFilter.incrementToken(FilteringTokenFilter.java:52)
org.apache.lucene.analysis.LowerCaseFilter.incrementToken(LowerCaseFilter.java:37)
org.apache.lucene.index.IndexingChain$PerField.invertTokenStream(IndexingChain.java:1168)
org.apache.lucene.index.IndexingChain$PerField.invert(IndexingChain.java:1146)
org.apache.lucene.index.IndexingChain.processField(IndexingChain.java:697)
org.apache.lucene.index.IndexingChain.processDocument(IndexingChain.java:576)
org.apache.lucene.index.DocumentsWriterPerThread.updateDocuments(DocumentsWriterPerThread.java:242)
org.apache.lucene.index.DocumentsWriter.updateDocuments(DocumentsWriter.java:432)
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1545)
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1521)
org.apache.solr.update.DirectUpdateHandler2.updateDocOrDocValues(DirectUpdateHandler2.java:1063)
{noformat}
here `localhost-2786` is the transaction id that can be searched in the logs
for better correlation between these 2 sources of data (stacktrace, logging).
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