Solr for Indexing and Searching Logs
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Using Solr to Search and Analyze Logs discusses how to use Solr and related tools like Logstash and Elasticsearch to index, search, and analyze log data. It covers sending logs to Solr using various methods like Logstash, Flume, and rsyslog plugins. It also discusses best practices for handling logs like production data in Solr, including using docValues, omitting norms/term positions, configuring caches, commits, and merges. The document concludes by discussing scaling options like SolrCloud and collections/aliases for partitioning logs over time.
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Solr for Indexing and Searching Logs
- 1. Using Solr to Search and Analyze Logs Radu Gheorghe @sematext @radu0gheorghe
- 4. What about ?
- 5. defining and handling logs in general 4 sets of tools to send logs to Performance tuning and SolrCloud
- 6. Defining and Handling Logs (story time!) syslog syslog ? syslog syslog
- 7. Requirements 1) What’s wrong? ( for debugging) http://eddysuaib.com/wp-content/uploads/2012/12/Keyword-icon.png
- 8. Problem looooots of messages coming in http://www.sciencesurvivalblog.com/getting-published/unfinished-manuscripts_2346
- 9. Solved with no indexing BUT
- 10. Elasticsearch
- 11. Requirements 1) What’s wrong? ✓ 2) What will go wrong? (stats)
- 12. Parsing Raw Logs still slow BUT user format changes item time mickey mouse 10
- 13. Parsing Raw Logs still slow BUT format changes add error code mickey mouse 0 10
- 14. Facets. Logging in JSON 2013-11-06… mickey mouse { "date": "2013-11-06", "message": "mickey mouse" }
- 15. Facets. Logging in JSON 2013-11-06… mickey mouse 2013-11-06… @cee:{"user": "mickey"} { { "date": "2013-11-06", "message": "mickey mouse" } "date": "2013-11-06", "user": "mickey" }
- 16. Requirements 1) What’s wrong? ✓ 2) What will go wrong? ✓ 3) Handle logs like production data ✓
- 17. Requirements 1) What’s wrong? ✓ 2) What will go wrong? ✓ What is a log? 3) Handle logs like production data ✓ How to handle logs?
- 18. 4 Ways of Sending Logs to Solr logger Logstash files
- 19. Schemaless % cd solr-4.5.1/example/ % mv solr solr.bak % cp -R example-schemaless/solr/ .
- 20. Automatic ID generation solrconfig.xml <updateRequestProcessorChain name="add-unknown-fields-to-the-schema"> …….. <processor class="solr.UUIDUpdateProcessorFactory"> <str name="fieldName">id</str> </processor> <processor class="solr.LogUpdateProcessorFactory"/> <processor class="solr.RunUpdateProcessorFactory"/> </updateRequestProcessorChain> http://solr.pl/en/2013/07/08/automatically-generate-document-identifiers-solr-4-x/
- 22. /dev/log -> parse -> format -> send to Solr % logger '@cee: {"hello": "world"}' rsyslog.conf module(load="imuxsock") # version 7+
- 23. /dev/log -> parse -> format -> send to Solr ... module(load="mmjsonparse") action(type="mmjsonparse")
- 24. /dev/log -> parse -> format -> send to Solr ... template(name="CEE" type="list") { property(name="$!all-json") constant(value="n") }
- 25. /dev/log -> parse -> format -> send to Solr ... action(type="mmjsonparse") template(name="CEE" … module(load="omprog") if $parsesuccess == "OK" then action(type="omprog" binary="/opt/json-to-solr.py" template="CEE")
- 26. /dev/log -> parse -> format -> send to Solr import json, pysolr, sys solr = pysolr.Solr('http://localhost:8983/solr/') while True: line = sys.stdin.readline() doc = json.loads(line) solr.add([doc])
- 28. Avro -> buffer -> parse -> send to Solr https://github.com/mpercy/flume-log4j-example flume.conf agent.sources = avroSrc agent.sources.avroSrc.type = avro agent.sources.avroSrc.bind = 0.0.0.0 agent.sources.avroSrc.port = 41414
- 29. Avro -> buffer -> parse -> send to Solr flume.conf agent.channels = solrMemoryChannel agent.channels.solrMemoryChannel.type = memory agent.sources.avroSrc.channels = solrMemoryChannel
- 30. Avro -> buffer -> parse -> send to Solr flume.conf agent.sinks = solrSink agent.sinks.solrSink.type = org.apache.flume.sink.solr.morphline.MorphlineSolrSink agent.sinks.solrSink.morphlineFile = conf/morphline.conf agent.sinks.solrSink.channel = solrMemoryChannel
- 31. Avro -> buffer -> parse -> send to Solr morphline.conf ... commands : [ { readLine { charset : UTF-8 }} { grok { dictionaryFiles : [conf/grok-patterns] expressions : { message : """%{INT:pid} %{DATA:message}""" ... https://github.com/cloudera/search/tree/master/samples/solr-nrt/grok-dictionaries
- 32. Avro -> buffer -> parse -> send to Solr morphline.conf SOLR_LOCATOR : { collection : collection1 #zkHost : "127.0.0.1:2181" solrUrl : "http://localhost:8983/solr/" } ... commands : [ ... { loadSolr { solrLocator : ${SOLR_LOCATOR} ...
- 34. fluent-logger -> fluentd -> fluent-plugin-solr % pip install fluent-logger from fluent import sender,event sender.setup('solr.test') event.Event('forward', {'hello': 'world'})
- 35. fluent-logger -> fluentd -> fluent-plugin-solr <source> type forward </source> <match solr.**> type solr host localhost port 8983 core collection1 </match>
- 36. fluent-logger -> fluentd -> fluent-plugin-solr % gem install fluent-plugin-solr https://github.com/btigit/fluent-plugin-solr out_solr.rb doc = Solr::Document.new(:hello => record["hello"])
- 37. grok filter file input file solr_http output Logstash
- 38. file input -> grok filter -> solr_http output % echo '2 world' >> /tmp/testlog logstash.conf: input { file { path => "/tmp/testlog" } }
- 39. file input -> grok filter -> solr_http output logstash.conf: filter { grok { match => ["message", "%{NUMBER:pid} %{GREEDYDATA:hello}"] } } {"pid": "2", "hello":"world"}
- 40. file input -> grok filter -> solr_http output logstash.conf: output { solr_http { # master or v1.2.3+ solr_url => "http://localhost:8983/solr" } }
- 41. Fast and Cloud
- 42. “It Depends” load test monitor: SPM 20% off: LR2013SPM20 http://www.bigskytech.com/wp-content/uploads/2011/02/guage.png
- 43. |>>>>|Single Core: # of docs/update http://static.memrise.com.s3.amazonaws.com/uploads/blog-pictures/Simpsons_Updates.bmp
- 45. |>>>>|Single Core: Size and Merges omitNorms="true" omitTermFreqAndPositions="true" <mergeFactor>?? http://sweetclipart.com/multisite/sweetclipart/files/scissors_blue_silver.png http://mergewords.com/gfx/logo-big.png
- 46. |>>>>|Single Core: Caches facets <fieldValueCache ... size="???" autowarmCount="0" changing data to sort&facet docValues="true" http://vector-magz.com/wp-content/uploads/2013/06/diamond-clip-art4.png http://www.clker.com/cliparts/1/f/6/3/11971228961330048838SaraSara_Ice_cube_2.svg.med.png http://clipartist.info/RSS/openclipart.org/2011/May/02-Monday/migrating_penguin_penguinmigrating-555px.png
- 47. SolrCloud: ZooKeeper bin/zkServer.sh start OR java -DzkRun … -jar start.jar http://www.clker.com/cliparts/c/a/8/d/1331060720387485902Roaring%20Tiger.svg.hi.png http://fc03.deviantart.net/fs71/f/2012/196/6/a/piggy_back_rides_are_the_best_rides__by_yipped-d57b3sh.png
- 48. SolrCloud: ZooKeeper zkcli.sh -cmd upconfig -zkhost SERVER:2181 -confdir solr/collection1/conf/ -confname start -Dbootstrap_confdir=solr/collection1/conf Dcollection.configName=start http://www.clker.com/cliparts/c/a/8/d/1331060720387485902Roaring%20Tiger.svg.hi.png http://fc03.deviantart.net/fs71/f/2012/196/6/a/piggy_back_rides_are_the_best_rides__by_yipped-d57b3sh.png
- 49. SolrCloud: Start Nodes java -DzkHost=SERVER:2181 -jar start.jar
- 50. Timed Collections optimize 04 Nov 05 Nov search latest 06 Nov search all 07 Nov index
- 60. Thank you! radu.gheorghe@sematext.com @radu0gheorghe @sematext And @ our booth :)