Hello Tidy Bot, Kudu Jenkins, Andrew Wong, Adar Dembo, Hao Hao,

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

    http://gerrit.cloudera.org:8080/12833

to look at the new patch set (#12).

Change subject: [master] introduce SentryPrivilegesFetcher
......................................................................

[master] introduce SentryPrivilegesFetcher

This patch incorporates a TTL-based cache into the data paths
of SentryAuthzProvider by introducing new entity responsible for
fetching and caching the information received from Sentry authz
authority.  The cache's entry contains sanitized and transformed
information received as TListSentryPrivilegesResponse from Sentry.
Set the newly introduced `--sentry_authz_cache_capacity_mb` command-line
flag to 0 to disable caching of authz privilege information returned
from Sentry.

Change-Id: Idaefacd50736f1f152dae34e76778e17b2e84cbe
---
M src/kudu/integration-tests/master_sentry-itest.cc
M src/kudu/master/CMakeLists.txt
M src/kudu/master/default_authz_provider.h
M src/kudu/master/sentry_authz_provider-test.cc
M src/kudu/master/sentry_authz_provider.cc
M src/kudu/master/sentry_authz_provider.h
A src/kudu/master/sentry_privileges_cache_metrics.cc
A src/kudu/master/sentry_privileges_cache_metrics.h
A src/kudu/master/sentry_privileges_fetcher.cc
A src/kudu/master/sentry_privileges_fetcher.h
M src/kudu/sentry/sentry_authorizable_scope.cc
M src/kudu/sentry/sentry_authorizable_scope.h
12 files changed, 1,224 insertions(+), 632 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/33/12833/12
--
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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Idaefacd50736f1f152dae34e76778e17b2e84cbe
Gerrit-Change-Number: 12833
Gerrit-PatchSet: 12
Gerrit-Owner: Alexey Serbin <aser...@cloudera.com>
Gerrit-Reviewer: Adar Dembo <a...@cloudera.com>
Gerrit-Reviewer: Alexey Serbin <aser...@cloudera.com>
Gerrit-Reviewer: Andrew Wong <aw...@cloudera.com>
Gerrit-Reviewer: Hao Hao <hao....@cloudera.com>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Tidy Bot (241)

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