Andrew Sherman created IMPALA-8143:
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Summary: Add features to DoRpcWithRetry()
Key: IMPALA-8143
URL: https://issues.apache.org/jira/browse/IMPALA-8143
Project: IMPALA
Issue Type: Task
Reporter: Andrew Sherman
Assignee: Andrew Sherman
DoRpcWithRetry() is a templated utility function that is currently in
control-service.h that is used to retry synchronous Krpc calls. It makes a call
to a Krpc function that is is passed as a lambda function. It sets the krpc
timeout to the ‘krpc_timeout‘ parameter and calls the Krpc function a number of
times controlled by the ‘times_to_try’ parameter.
Possible improvements:
* Move code to rpc-mgr.inline.h
* Add a configurable sleep if RpcMgr::IsServerTooBusy() says the remote
server’s queue is full.
* Make QueryState::ReportExecStatus() use DoRpcWithRetry()
* Consider if asynchronous code like that in KrpcDataStreamSender::Channel
can also use DoRpcWithRetry()
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