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Posted to dev@lucene.apache.org by "Andrzej Bialecki (JIRA)" <ji...@apache.org> on 2018/08/01 14:31:00 UTC
[jira] [Assigned] (SOLR-12344) SolrSlf4jReporter doesn't set MDC
context
[ https://issues.apache.org/jira/browse/SOLR-12344?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrzej Bialecki reassigned SOLR-12344:
----------------------------------------
Assignee: Andrzej Bialecki
> SolrSlf4jReporter doesn't set MDC context
> -----------------------------------------
>
> Key: SOLR-12344
> URL: https://issues.apache.org/jira/browse/SOLR-12344
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: metrics
> Reporter: Varun Thacker
> Assignee: Andrzej Bialecki
> Priority: Major
>
> I setup a slf4j reporter like this on master
> solr.xml
> {code:java}
> <metrics>
> <reporter name="log_update_stats" group="core" class="org.apache.solr.metrics.reporters.SolrSlf4jReporter">
> <int name="period">1</int>
> <str name="filter">UPDATE./update.requestTimes</str>
> <str name="logger">update_logger</str>
> </reporter>
> </metrics>{code}
> log4j2.xml
> {code:java}
> <?xml version="1.0" encoding="UTF-8"?>
> <!--
> Licensed to the Apache Software Foundation (ASF) under one or more
> contributor license agreements. See the NOTICE file distributed with
> this work for additional information regarding copyright ownership.
> The ASF licenses this file to You under the Apache License, Version 2.0
> (the "License"); you may not use this file except in compliance with
> the License. You may obtain a copy of the License at
> http://www.apache.org/licenses/LICENSE-2.0
> Unless required by applicable law or agreed to in writing, software
> distributed under the License is distributed on an "AS IS" BASIS,
> WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
> See the License for the specific language governing permissions and
> limitations under the License.
> -->
> <Configuration>
> <Appenders>
> <Console name="STDOUT" target="SYSTEM_OUT">
> <PatternLayout>
> <Pattern>
> %-4r [%t] %-5p %c %x [%X{collection} %X{shard} %X{replica} %X{core}] %c; %m%n
> </Pattern>
> </PatternLayout>
> </Console>
> <RollingFile
> name="RollingFile"
> fileName="${sys:solr.log.dir}/solr.log"
> filePattern="${sys:solr.log.dir}/solr.log.%i" >
> <PatternLayout>
> <Pattern>
> %-5p - %d{yyyy-MM-dd HH:mm:ss.SSS}; [%X{collection} %X{shard} %X{replica} %X{core}] %c; %m%n
> </Pattern>
> </PatternLayout>
> <Policies>
> <OnStartupTriggeringPolicy />
> <SizeBasedTriggeringPolicy size="32 MB"/>
> </Policies>
> <DefaultRolloverStrategy max="10"/>
> </RollingFile>
> <RollingFile
> name="RollingMetricFile"
> fileName="${sys:solr.log.dir}/solr_metric.log"
> filePattern="${sys:solr.log.dir}/solr_metric.log.%i" >
> <PatternLayout>
> <Pattern>
> %-5p - %d{yyyy-MM-dd HH:mm:ss.SSS}; [%X{collection} %X{shard} %X{replica} %X{core}] %c; %m%n
> </Pattern>
> </PatternLayout>
> <Policies>
> <OnStartupTriggeringPolicy />
> <SizeBasedTriggeringPolicy size="32 MB"/>
> </Policies>
> <DefaultRolloverStrategy max="10"/>
> </RollingFile>
> </Appenders>
> <Loggers>
> <Logger name="org.apache.hadoop" level="warn"/>
> <Logger name="org.apache.solr.update.LoggingInfoStream" level="off"/>
> <Logger name="org.apache.zookeeper" level="warn"/>
> <Logger name="update_logger" level="info" additivity="false">
> <AppenderRef ref="RollingMetricFile"/>
> </Logger>
> <Root level="info">
> <AppenderRef ref="RollingFile"/>
> <AppenderRef ref="STDOUT"/>
> </Root>
> </Loggers>
> </Configuration>
> {code}
> The output I get from the solr_metric.log file is like this
> {code:java}
> INFO - 2018-05-11 15:31:16.009; [ ] update_logger; type=TIMER, name=UPDATE./update.requestTimes, count=0, min=0.0, max=0.0, mean=0.0, stddev=0.0, median=0.0, p75=0.0, p95=0.0, p98=0.0, p99=0.0, p999=0.0, mean_rate=0.0, m1=0.0, m5=0.0, m15=0.0, rate_unit=events/second, duration_unit=milliseconds
> INFO - 2018-05-11 15:31:17.010; [ ] update_logger; type=TIMER, name=UPDATE./update.requestTimes, count=0, min=0.0, max=0.0, mean=0.0, stddev=0.0, median=0.0, p75=0.0, p95=0.0, p98=0.0, p99=0.0, p999=0.0, mean_rate=0.0, m1=0.0, m5=0.0, m15=0.0, rate_unit=events/second, duration_unit=milliseconds
> INFO - 2018-05-11 15:31:18.010; [ ] update_logger; type=TIMER, name=UPDATE./update.requestTimes, count=0, min=0.0, max=0.0, mean=0.0, stddev=0.0, median=0.0, p75=0.0, p95=0.0, p98=0.0, p99=0.0, p999=0.0, mean_rate=0.0, m1=0.0, m5=0.0, m15=0.0, rate_unit=events/second, duration_unit=milliseconds{code}
> On a JVM which has multiple cores, this will become impossible to tell where it's coming from if MDC context is not set
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