Yes, it is the Metrics History Handler that does this to collect some key metrics in a central place. Read more here https://lucene.apache.org/solr/guide/7_6/metrics-history.html
-- Jan Høydahl, search solution architect Cominvent AS - www.cominvent.com > 4. feb. 2019 kl. 18:45 skrev levtannen <lev.tan...@usdoj.gov>: > > Hello Solr community, > > My solrcloud system consists of 3 machines, each running a zookeeper and a > solr server. It manages about 200 collections with 1 shard each. > When I run it, I see that every minutes samebody sends a request for some > metrics to my system. Because nobody can sent requests to my development > system I assume that it is solr sends these requests by itself to itself. > Could anybody explain me, what is going on and how can I controll such > requests? > Bellow is an example of log messages that are produced by these requests. > > Regards > Lev Tannen > > Message example: > 2019-02-04 16:39:13.487 INFO (qtp817348612-16) [ ] o.a.s.s.HttpSolrCall > [admin] webapp=null path=/admin/metrics > params={wt=javabin&version=2&key=solr.core.OKN-A-documents.shard1.replica_n4:QUERY./select.requests&key=solr.core.CA5- > > B-documents.shard1.replica_n4:UPDATE./update.requests&key=solr.core.LAM-B-cases.shard1.replica_n4:UPDATE./update.requests&key=solr.core.NV-A-documents.shard1.replica_n2:QUERY./select.requests&key=solr.core.FLN-B-documents.shard1.repl > > ica_n1:INDEX.sizeInBytes&key=solr.core.GU-B-documents.shard1.replica_n1:INDEX.sizeInBytes&key=solr.core.CO-B-documents.shard1.replica_n4:UPDATE./update.requests&key=solr.core.MD-A-documents.shard1.replica_n1:QUERY./select.requests&ke > > y=solr.core.INS-B-documents.shard1.replica_n2:INDEX.sizeInBytes&key=solr.core.MD-A-documents.shard1.replica_n1:INDEX.sizeInBytes&key=solr.core.INS-A-cases.shard1.replica_n4:QUERY./select.requests&key=solr.core.ILS-A-documents.shard1. > > replica_n1:QUERY./select.requests&key=solr.core.VAW-B-cases.shard1.replica_n4:QUERY./select.requests&key=solr.core.ARW-A-cases.shard1.replica_n2:UPDATE./update.requests&key=solr.core.OKW-A-documents.shard1.replica_n1:QUERY./select.re > > quests&key=solr.core.KS-A-cases.shard1.replica_n1:QUERY./select.requests&key=solr.core.NYN-B-cases.shard1.replica_n1:INDEX.sizeInBytes&key=solr.core.MA-B-cases.shard1.replica_n4:INDEX.sizeInBytes&key=solr.core.FLM-B-cases.shard1.repl > > ica_n2:INDEX.sizeInBytes&key=solr.core.NYE-A-cases.shard1.replica_n1:QUERY./select.requests&key=solr.core.MN-A-documents.shard1.replica_n2:QUERY./select.requests&key=solr.core.NYS-B-cases.shard1.replica_n1:UPDATE./update.requests&key > > =solr.core.MIE-B-documents.shard1.replica_n2:INDEX.sizeInBytes&key=solr.core.ILS-A-cases.shard1.replica_n2:INDEX.sizeInBytes&key=solr.core.CAN-B-cases.shard1.replica_n2:INDEX.sizeInBytes&key=solr.core.ARE-A-documents.shard1.replica_n > > 4:UPDATE./update.requests&key=solr.core.MOW-A-documents.shard1.replica_n5:QUERY./select.requests&key=solr.core.INS-B-cases.shard1.replica_n4:QUERY./select.requests&key=solr.core.ND-B-cases.shard1.replica_n1:UPDATE./update.requests&ke > > y=solr.core.OHN-A-documents.shard1.replica_n1:UPDATE./update.requests&key=solr.core.UT-B-documents.shard1.replica_n2:UPDATE./update.requests&key=solr.core.TNE-B-cases.shard1.replica_n1:INDEX.sizeInBytes&key=solr.core.OHS-B-cases.shar > > d1.replica_n2:UPDATE./update.requests&key=solr.core.KYW-B-documents.shard1.replica_n3:UPDATE./update.requests&key=solr.core.TXE-A-cases.shard1.replica_n1:INDEX.sizeInBytes&key=solr.core.ND-A-cases.shard1.replica_n4:UPDATE./update.req > > uests&key=solr.core.NV-A-documents.shard1.replica_n2:UPDATE./update.requests&key=solr.core.WVN-A-documents.shard1.replica_n1:QUERY./select.requests&key=solr.core.UT-B-documents.shard1.replica_n2:INDEX.sizeInBytes&key=solr.core.TXN-B- > > documents.shard1.replica_n1:UPDATE./update.requests&key=solr.core.CA4-B-documents.shard1.replica_n1:INDEX.sizeInBytes&key=solr.core.HI-B-cases.shard1.replica_n2:QUERY./select.requests&key=solr.core.TNM-A-documents.shard1.replica_n2:U > > PDATE./update.requests&key=solr.core.CA3-B-documents.shard1.replica_n4:UPDATE./update.requests&key=solr.core.NE-B-documents.shard1.replica_n1:INDEX.sizeInBytes&key=solr.core.NCM-B-cases.shard1.replica_n2:UPDATE./update.requests&key=s > > olr.core.CAS-B-documents.shard1.replica_n4:QUERY./select.requests&key=solr.core.GU-B-cases.shard1.replica_n4:UPDATE./update.requests&key=solr.core.CAC-A-cases.shard1.replica_n4:INDEX.sizeInBytes&key=solr.core.KS-A-documents.shard1.re > > plica_n2:INDEX.sizeInBytes&key=solr.core.LAE-A-documents.shard1.replica_n2:UPDATE./update.requests&key=solr.core.CA7-B-documents.shard1.replica_n3:INDEX.sizeInBytes&key=solr.core.PAM-A-cases.shard1.replica_n4:QUERY./select.requests&k > > ey=solr.core.HI-A-cases.shard1.replica_n2:QUERY./select.requests&key=solr.core.MIW-B-cases.shard1.replica_n2:INDEX.sizeInBytes&key=solr.core.LAE-B-documents.shard1.replica_n4:QUERY./select.requests&key=solr.core.CA10-B-documents.shar > > d1.replica_n1:INDEX.sizeInBytes&key=solr.core.CAN-B-documents.shard1.replica_n1:INDEX.sizeInBytes&key=solr.core.FLS-A-cases.shard1.replica_n2:QUERY./select.requests&key=solr.core.NCW-A-cases.shard1.replica_n4:QUERY./select.requests&k > > ey=solr.core.VT-A-documents.shard1.replica_n1:INDEX.sizeInBytes&key=solr.core.LAE-B-cases.shard1.replica_n4:INDEX.sizeInBytes&key=solr.core.SD-B-documents.shard1.replica_n4:INDEX.sizeInBytes&key=solr.core.GAM-A-documents.shard1.repli > > ca_n4:UPDATE./update.requests&key=solr.core.FLN-B-cases.shard1.replica_n2:INDEX.sizeInBytes&key=solr.core.FLS-B-documents.shard1.replica_n4:QUERY./select.requests&key=solr.core.VI-B-cases.shard1.replica_n1:INDEX.sizeInBytes&key=solr. > > core.VAW-A-documents.shard1.replica_n1:UPDATE./update.requests&key=solr.core.ALN-B-cases.shard1.replica_n1:INDEX.sizeInBytes&key=solr.core.RI-B-documents.shard1.replica_n2:INDEX.sizeInBytes&key=solr.core.NCE-A-cases.shard1.replica_n4 > > :QUERY./select.requests&key=solr.core.VAE-B-documents.shard1.replica_n2:INDEX.sizeInBytes&key=solr.core.TXW-B-documents.shard1.replica_n4:QUERY./select.requests&key=solr.core.NV-B-cases.shard1.replica_n1:UPDATE./update.requests&key=s > > olr.core.UT-A-documents.shard1.replica_n1:QUERY./select.requests&key=solr.core.NM-B-documents.shard1.replica_n2:INDEX.sizeInBytes&key=solr.core.NE-A-documents.shard1.replica_n1:QUERY./select.requests&key=solr.core.CA9-A-documents.sha > <and so on> > > > > -- > Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html