Alexey Serbin created KUDU-3556:
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Summary: Auto-tune number of worker threads per Kudu server's RPC
interface
Key: KUDU-3556
URL: https://issues.apache.org/jira/browse/KUDU-3556
Project: Kudu
Issue Type: Improvement
Components: master, server, tserver
Reporter: Alexey Serbin
As of now, the value for the {{\-\-rpc_num_service_threads}} flag is hard-coded
(but is different for masters vs tablet servers). A manual tuning is required
to enable more efficient utilization of the available CPU cores/threads by Kudu
servers. It would be nice to have a mode when the number of worker RPC threads
is adaptively configured to be 80% of all the available CPU cores/threads. The
exact utilization ratio of CPU cores for RPC workers might be a parameter
defined by a new flag with default value of 0.8.
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