[kudu-CR] [tablet] Add new metrics to indicate the last read/write time

["Yingchun Lai (Code Review)" <ge...@cloudera.org>]

Hello Tidy Bot, Alexey Serbin, Kudu Jenkins, Adar Dembo, Grant Henke, 

I'd like you to reexamine a change. Please visit

    http://gerrit.cloudera.org:8080/14912

to look at the new patch set (#5).

Change subject: [tablet] Add new metrics to indicate the last read/write time
......................................................................

[tablet] Add new metrics to indicate the last read/write time

Add new metrics 'last_read_elapsed_seconds' and
'last_write_elapsed_seconds' for tablet to indicate the last read and
write operation on the tablet. We can judge whether a tablet is 'hot'
or 'cold' by these metrics.

Change-Id: I90738ba90eaa8f78c8d721dde2eed2b723d5572d
---
M src/kudu/tablet/tablet.cc
M src/kudu/tablet/tablet.h
M src/kudu/tablet/tablet_metrics.h
M src/kudu/tserver/tablet_service.cc
4 files changed, 72 insertions(+), 16 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/12/14912/5
-- 
To view, visit http://gerrit.cloudera.org:8080/14912
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I90738ba90eaa8f78c8d721dde2eed2b723d5572d
Gerrit-Change-Number: 14912
Gerrit-PatchSet: 5
Gerrit-Owner: Yingchun Lai <40...@qq.com>
Gerrit-Reviewer: Adar Dembo <ad...@cloudera.com>
Gerrit-Reviewer: Alexey Serbin <as...@cloudera.com>
Gerrit-Reviewer: Grant Henke <gr...@apache.org>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Tidy Bot (241)
Gerrit-Reviewer: Yingchun Lai <40...@qq.com>