[GitHub] [hadoop-ozone] elek opened a new pull request #4: HDDS-2071. Support filters in ozone insight point

[GitBox <gi...@apache.org>]

elek opened a new pull request #4: HDDS-2071. Support filters in ozone insight point
URL: https://github.com/apache/hadoop-ozone/pull/4
 
 
   ## What changes were proposed in this pull request?
   
   Extent the existing ozone insight command with support additional log filtering. For example if you are interested about 
   
   ## What is the link to the Apache JIRA
   
   https://issues.apache.org/jira/browse/HDDS-2071
   
   ## How was this patch tested?
   
   ```
   #start a cluster
   cd hadoop-ozone/dist/target/ozone-*/compose/ozone
   docker-compose up -d --scale datanode=3
   
   # go to scm
   docker-compose exec scm bash
   ```
   
   insight without filter (wait until the next node report, ~ 30 s)
   
   ```
   ozone insight logs -v scm.node-manager
   
   #Example output
   [SCM] 2019-10-13 08:34:29,920 [TRACE|org.apache.hadoop.hdds.scm.node.SCMNodeManager|SCMNodeManager] HB is received from [datanode=ozone_datanode_2.ozone_default]: 
   storageReport {
     storageUuid: "DS-36d38c09-4306-4a30-b48c-b3b612d4eb00"
     storageLocation: "/data/hdds"
     capacity: 485541425152
     scmUsed: 4096
     remaining: 128080560128
     storageType: DISK
     failed: false
   }
   ```
   
   insight WITH filter (wait until the next node report, ~ 30 s)
   ```
   ozone insight logs -v scm.node-manager -f datanode=ozone_datanode_2.ozone_default
   ```
   You should see only the node reports from datanode_2

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