Hello Kudu Jenkins, Yao Xu, Adar Dembo, Todd Lipcon,
I'd like you to reexamine a change. Please visit
http://gerrit.cloudera.org:8080/13516
to look at the new patch set (#3).
Change subject: Add seek before mode for CBTree to accelerate CheckRowDeleted
in dms.
......................................................................
Add seek before mode for CBTree to accelerate CheckRowDeleted in dms.
It's a related work of KUDU-749.
YCSB workloada with recordcount: 1000000, operationcount: 10000000 and
SYNC_OPS_OPT = True.
Here is the result and we can see improvment.
[Before change]:
UPDATE Operations: 5001219
AverageLatency(us): 1525.3520189777732
MinLatency(us): 208
MaxLatency(us): 77247
95thPercentileLatency(us): 4303
99thPercentileLatency(us):7839
[After change]:
UPDATE Operations: 4997991
AverageLatency(us): 1174.1029063477706
MinLatency(us): 198
MaxLatency(us): 70015
95thPercentileLatency(us): 2991
99thPercentileLatency(us): 5535
Change-Id: Icda5585c7226a075ffebdb22c7fc7728edf85feb
---
M src/kudu/tablet/cbtree-test.cc
M src/kudu/tablet/concurrent_btree.h
M src/kudu/tablet/deltamemstore.cc
3 files changed, 126 insertions(+), 26 deletions(-)
git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/16/13516/3
--
To view, visit http://gerrit.cloudera.org:8080/13516
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Icda5585c7226a075ffebdb22c7fc7728edf85feb
Gerrit-Change-Number: 13516
Gerrit-PatchSet: 3
Gerrit-Owner: ZhangYao <triplesheep0...@gmail.com>
Gerrit-Reviewer: Adar Dembo <a...@cloudera.com>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Todd Lipcon <t...@apache.org>
Gerrit-Reviewer: Yao Xu <oclarms....@gmail.com>
Gerrit-Reviewer: ZhangYao <triplesheep0...@gmail.com>
