Hello Mike Percy,
I'd like you to do a code review. Please visit
http://gerrit.cloudera.org:8080/5344
to review the following change.
Change subject: raft_consensus: avoid some unecessary allocations in hot path
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raft_consensus: avoid some unecessary allocations in hot path
In the stress cluster I noticed that UpdateConsensus does a lot of
allocation in LockForUpdate. In particular, it was constructing a
ConsensusStatusPB just to check whether it was currently a voter, and
that only to provide a log message. That PB has a lot of various strings
and other objects inside of it which caused unnecessary allocation.
We can already get this same information from the existing RaftConfigPB
object in ConsensusMeta, and a lot cheaper.
Change-Id: I75abcaaaed281e5ac1768ea3014064925db6c030
---
M src/kudu/consensus/raft_consensus_state.cc
1 file changed, 1 insertion(+), 1 deletion(-)
git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/44/5344/1
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I75abcaaaed281e5ac1768ea3014064925db6c030
Gerrit-PatchSet: 1
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Todd Lipcon <t...@apache.org>
Gerrit-Reviewer: Mike Percy <mpe...@apache.org>
