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Posted to hdfs-dev@hadoop.apache.org by "Max Xie (Jira)" <ji...@apache.org> on 2021/09/28 10:32:00 UTC

[jira] [Created] (HDFS-16242) JournalMetrics should add JournalId MetricTag to distinguish different nameservice journal metrics.

Max  Xie created HDFS-16242:
-------------------------------

             Summary: JournalMetrics should add JournalId  MetricTag to distinguish different nameservice journal metrics.
                 Key: HDFS-16242
                 URL: https://issues.apache.org/jira/browse/HDFS-16242
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: journal-node
    Affects Versions: 3.4.0
            Reporter: Max  Xie


JournalMetrics should add JournalId MetricTag to distinguish different nameservice journal metrics  when JournalNode use ganglia sink or  prometheus sink.

*JMX*

Before this patch, journal' jmx :
{code:java}
// jmx json
    {
    "name" : "Hadoop:service=JournalNode,name=Journal-nntest1",
    "Syncs60sNumOps" : 0,
    ...
    },
    {
   "name" : "Hadoop:service=JournalNode,name=Journal-nntest2",
   "Syncs60sNumOps" : 0,
   ... 
   }
{code}
 

After this patch, journal' jmx :

 
{code:java}
// jmx json
    {
    "name" : "Hadoop:service=JournalNode,name=Journal-nntest1",
    "tag.JournalId" : "nntest1",  // add this tag
    "Syncs60sNumOps" : 0,
   ...
    },
    {
   "name" : "Hadoop:service=JournalNode,name=Journal-nntest2", 
    "tag.JournalId" : "nntest2",
   "Syncs60sNumOps" : 0,
  ... 
    }
{code}
 

*PrometheusSink*

Before this patch, journal' prometheus export :

 
{code:java}
journal_node_syncs60s_num_ops{context="dfs",hostname="host"} 2
{code}
After this patch, journal' prometheus export :
{code:java}
journal_node_syncs60s_num_ops{context="dfs",journalid="nntest2",hostname="host"} 2
journal_node_syncs60s_num_ops{context="dfs",journalid="nntest1",hostname="host"} 75
{code}
 

 

 

 

 

 

 



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