Alexey Serbin created KUDU-3020:
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Summary: Add metric gauge for size of incoming RPC request payload
and number RPC rejections due to payload size
Key: KUDU-3020
URL: https://issues.apache.org/jira/browse/KUDU-3020
Project: Kudu
Issue Type: Improvement
Components: master, tserver
Reporter: Alexey Serbin
Kudu servers have a limit on the size of RPC's payload they accept:
{{\-\-rpc_max_message_size}}.
It would be nice to introduce corresponding metrics to gauge how relevant the
current setting for the maximum RPC size is with regard to the incoming
requests. That can help with a pro-active tuning of a Kudu cluster to sustain
planned increase in workload. This is especially useful for tuning parameters
of Kudu masters to accommodate higher number of tables/tablets in a cluster
(e.g., adding new tables or creating new partitions for already existing
tables).
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