Dmytro Sen created AMBARI-5065:
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Summary: Rolling restart should also handle clients on the same
machine as the restarting component
Key: AMBARI-5065
URL: https://issues.apache.org/jira/browse/AMBARI-5065
Project: Ambari
Issue Type: Bug
Components: agent
Affects Versions: 1.5.0
Reporter: Dmytro Sen
Assignee: Dmytro Sen
Priority: Critical
Fix For: 1.5.0
3-host cluster, c6401 has nn, c6402 and c6403 have datanodes + hdfs clients
1. create host group in Hdfs
2. put one host in the group (say c6403) that has datanode and hdfs client
3. change datanode max java heap size so it only affects the datanode
4. you'll see a restart is needed only on c6403 as expected (correct) for
datanode and hdfs client
5. Issue a rolling restart and only on hosts that need configs (so just one
host)
6. the works fine and it only restarts datanode c6403 as expected (correct)
problem: hdfs client is not marked as restarted so i still see "1 HDFS Client"
component requiring a restart on that host.
Need to handle clients on the machines as well as part of rolling restart.
Solution:
Update client tags on Master/Slave component update in-memory and in individual
files.
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