Hello Kudu Jenkins, Yao Xu,
I'd like you to reexamine a change. Please visit
http://gerrit.cloudera.org:8080/13412
to look at the new patch set (#2).
Change subject: KUDU-2826: Add tail for mutation list to accelerate update in
memrowset
......................................................................
KUDU-2826: Add tail for mutation list to accelerate update in memrowset
We found kudu needs traversing the whole mutation list to find
tail to append the new mutations when UPDATE or REINSERT in
memrowset. And it cost considerable time when we update the same
key tens of thousands times(We encountered this case in production
environment).
Add tail for mutation list to accelerate it.
Change-Id: I945f332f8241ecb3cc6ab66e67ee3ee2b4e49be8
---
M src/kudu/tablet/memrowset.cc
M src/kudu/tablet/memrowset.h
M src/kudu/tablet/mutation.cc
M src/kudu/tablet/mutation.h
4 files changed, 28 insertions(+), 23 deletions(-)
git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/12/13412/2
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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I945f332f8241ecb3cc6ab66e67ee3ee2b4e49be8
Gerrit-Change-Number: 13412
Gerrit-PatchSet: 2
Gerrit-Owner: ZhangYao <[email protected]>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Yao Xu <[email protected]>
