Hadoop JournalNode RPC activity (HADOOP_JOURNALNODE_RPCACTIVITY)
This app class will contain the JournalNode RPC activity metrics received from the url:
< JournalNode jmx url>?qry=Hadoop:service=JournalNode,name=RpcActivity<<the postfix of the relevant RPC activity instance>>
For example:
<JournalNode jmx url>?qry=Hadoop:service=JournalNode,name=RpcActivityForPort10020
Application class attributes
| Item | Description |
|---|---|
| Active | Yes |
| Created by | Discovery |
| Parent class |
|
| Child class | None |
Attributes (parameters)
- Call queue length (CallQueueLength)
- Num open connections (NumOpenConnections)
- Received bytes (ReceivedBytes)
- RPC authentication failures (RpcAuthenticationFailures)
- RPC authentication successes (RpcAuthenticationSuccesses)
- RPC authorization failures (RpcAuthorizationFailures)
- RPC authorization successes (RpcAuthorizationSuccesses)
- RPC processing time avg time (RpcProcessingTimeAvgTime)
- RPC processing time num ops (RpcProcessingTimeNumOps)
- RPC queue time avg time (RpcQueueTimeAvgTime)
- RPC queue time num ops (RpcQueueTimeNumOps)
- Sent bytes (SentBytes)
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