Dan Burkert has submitted this change and it was merged.

Change subject: KUDU-2124. Don't hold session lock while initializing a 
TabletCopySession
......................................................................


KUDU-2124. Don't hold session lock while initializing a TabletCopySession

This patch replaces the interior mutex in TabletCopySourceSession with a
dynamic once, so that initialization can happen concurrently. This
allows initialization to happen outside of the critical section in the
tablet copy service.

Implemented a regression test that injects latency into
BeginTabletCopySession() calls.

Change-Id: If8bd295a59ade8c89fdf1853dd64c4bceca8da91
Reviewed-on: http://gerrit.cloudera.org:8080/7985
Reviewed-by: Dan Burkert <danburk...@apache.org>
Tested-by: Kudu Jenkins
---
M src/kudu/integration-tests/cluster_itest_util.cc
M src/kudu/integration-tests/cluster_itest_util.h
M src/kudu/integration-tests/tablet_copy-itest.cc
M src/kudu/tserver/tablet_copy_service-test.cc
M src/kudu/tserver/tablet_copy_service.cc
M src/kudu/tserver/tablet_copy_source_session.cc
M src/kudu/tserver/tablet_copy_source_session.h
M src/kudu/tserver/tablet_server-test-base.h
M src/kudu/tserver/tablet_server-test.cc
M src/kudu/tserver/tablet_server_test_util.cc
M src/kudu/tserver/tablet_server_test_util.h
11 files changed, 243 insertions(+), 62 deletions(-)

Approvals:
  Dan Burkert: Looks good to me, approved
  Kudu Jenkins: Verified



-- 
To view, visit http://gerrit.cloudera.org:8080/7985
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-MessageType: merged
Gerrit-Change-Id: If8bd295a59ade8c89fdf1853dd64c4bceca8da91
Gerrit-PatchSet: 11
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Dan Burkert <danburk...@apache.org>
Gerrit-Reviewer: Adar Dembo <a...@cloudera.com>
Gerrit-Reviewer: Dan Burkert <danburk...@apache.org>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Mike Percy <mpe...@apache.org>
Gerrit-Reviewer: Todd Lipcon <t...@apache.org>

Reply via email to