tiger lee

now metric data would kept in memory always, if no new data report, metrics would keep the same with last samples

> > now metric data would kept in memory always, if no new data report, metrics would keep the same with last samples > > I have a prometheus scape...

@Daych there are config that how many bytes kept in log files https://github.com/apache/rocketmq-exporter/blob/0cf384687045020fd0d52e9f4c081aa1778381e4/src/main/resources/logback.xml#L13

all group comes from code bellow, you can check it https://github.com/apache/rocketmq/blob/a20f31bb3de242756542c552d7212a7a40000ba4/broker/src/main/java/org/apache/rocketmq/broker/processor/AdminBrokerProcessor.java#L199

@navyaijm2017 working on this, wait a moment

this is consumer diff metrics, can it meet your demands? 

check encoding on you machine or jvm . use utf-8 best

@SjhZju a little change on file: RMQMetricsServiceImpl.java change a method to this below ` public void metrics(StringWriter writer) throws IOException { TextFormat.write004(writer, registry.metricFamilySamples()); } `

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methed names should be lowercase better.