tree b4178541e22dc08878b9f734c00f97bcb93b4df2
parent fda324b1166b1da74bf5206a5c43e65a9f8e3217
author Andrew Purtell <apurtell@apache.org> 1620147929 -0700
committer GitHub <noreply@github.com> 1620147929 -0700
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HBASE-25835 Ignore duplicate split requests from regionserver reports (#3218)

Processing of the RS report happens asynchronously from other activities
which can mutate region state. For example, a split procedure may already
be running. A split procedure cannot succeed if the parent region is no
longer open, so we can ignore it in that case.

Note that submitting more than one split procedure for a given region is
harmless -- the split is fenced in the procedure handling -- but it would
be noisy in the logs. Only one procedure can succeed. The other
procedure(s) would abort during initialization and report failure with
WARN level logging.

Signed-off-by: Bharath Vissapragada <bharathv@apache.org>
Signed-off-by: Viraj Jasani <vjasani@apache.org>
Signed-off-by: Pankaj <pankajkumar@apache.org>