Wei-Chiu Chuang created HDDS-3786:
-------------------------------------
Summary: Tone down failover message
Key: HDDS-3786
URL: https://issues.apache.org/jira/browse/HDDS-3786
Project: Hadoop Distributed Data Store
Issue Type: Improvement
Components: Ozone Client
Reporter: Wei-Chiu Chuang
For whatever client side operation, the client typically don't hit the leader
the first time, and the client emits the following message. This is a minor
issue but kind of scary for a user new to ozone.
{noformat}
20/06/11 23:40:57 INFO Configuration.deprecation: mapred.task.timeout is
deprecated. Instead, use mapreduce.task.timeout
20/06/11 23:40:58 INFO ha.OMFailoverProxyProvider: RetryProxy: OM:om1 is not
the leader. Suggested leader is OM:om2.
at
org.apache.hadoop.ozone.protocolPB.OzoneManagerProtocolServerSideTranslatorPB.createNotLeaderException(OzoneManagerProtocolServerSideTranslatorPB.java:185)
at
org.apache.hadoop.ozone.protocolPB.OzoneManagerProtocolServerSideTranslatorPB.submitReadRequestToOM(OzoneManagerProtocolServerSideTranslatorPB.java:173)
at
org.apache.hadoop.ozone.protocolPB.OzoneManagerProtocolServerSideTranslatorPB.processRequest(OzoneManagerProtocolServerSideTranslatorPB.java:109)
at
org.apache.hadoop.hdds.server.OzoneProtocolMessageDispatcher.processRequest(OzoneProtocolMessageDispatcher.java:74)
at
org.apache.hadoop.ozone.protocolPB.OzoneManagerProtocolServerSideTranslatorPB.submitRequest(OzoneManagerProtocolServerSideTranslatorPB.java:99)
at
org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos$OzoneManagerService$2.callBlockingMethod(OzoneManagerProtocolProtos.java)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:528)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1070)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:985)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:913)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1876)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2882)
{noformat}
Can we tone down this a little? At the very least, don't print the stack trace.
Tried this on a beta cluster. Let me know if this is already improved in the
master branch.
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