Hello Michael Ho, Thomas Marshall, Tim Armstrong, Bikramjeet Vig, Impala Public
Jenkins,
I'd like you to reexamine a change. Please visit
http://gerrit.cloudera.org:8080/13207
to look at the new patch set (#7).
Change subject: IMPALA-8460: Simplify cluster membership management
......................................................................
IMPALA-8460: Simplify cluster membership management
This change adds a class to track cluster membership called
ClusterMembershipMgr. It replaced the logic that was partially
duplicated between the ImpalaServer and the Coordinator and makes sure
that the local backend descriptor is consistent (IMPALA-8469).
The ClusterMembershipMgr maintains a view of the cluster membership and
incorporates incoming updates from the statestore. It also registers the
local backend with the statestore after startup. Clients can obtain a
consistent, immutable snapshot of the current cluster membership from
the ClusterMembershipMgr. Additionally, callbacks can be registered to
receive notifications of cluster membership changes. The ImpalaServer
and Frontend use this mechanism.
This change also unifies the naming of executor-related classes, in
particular it renames "BackendConfig" to "ExecutorGroup". In
anticipation of a subsequent change, it adds maps to store multiple
executor groups.
Testing: This change does not introduce new functionality and the new
class is covered by the existing scheduler unit test and the end to end
tests.
Change-Id: Ib3cf9a8bb060d0c6e9ec8868b7b21ce01f8740a3
---
M be/src/benchmarks/scheduler-benchmark.cc
M be/src/common/logging.h
M be/src/gutil/strings/split.cc
M be/src/gutil/strings/split.h
M be/src/runtime/exec-env.cc
M be/src/runtime/exec-env.h
M be/src/scheduling/CMakeLists.txt
D be/src/scheduling/backend-config-test.cc
D be/src/scheduling/backend-config.cc
D be/src/scheduling/backend-config.h
A be/src/scheduling/cluster-membership-mgr.cc
A be/src/scheduling/cluster-membership-mgr.h
A be/src/scheduling/executor-group-test.cc
A be/src/scheduling/executor-group.cc
A be/src/scheduling/executor-group.h
M be/src/scheduling/scheduler-test-util.cc
M be/src/scheduling/scheduler-test-util.h
M be/src/scheduling/scheduler-test.cc
M be/src/scheduling/scheduler.cc
M be/src/scheduling/scheduler.h
M be/src/service/impala-http-handler.cc
M be/src/service/impala-server.cc
M be/src/service/impala-server.h
M be/src/testutil/in-process-servers.cc
M common/thrift/StatestoreService.thrift
M tests/custom_cluster/test_coordinators.py
26 files changed, 1,159 insertions(+), 923 deletions(-)
git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/07/13207/7
--
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Ib3cf9a8bb060d0c6e9ec8868b7b21ce01f8740a3
Gerrit-Change-Number: 13207
Gerrit-PatchSet: 7
Gerrit-Owner: Lars Volker <[email protected]>
Gerrit-Reviewer: Bikramjeet Vig <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Lars Volker <[email protected]>
Gerrit-Reviewer: Michael Ho <[email protected]>
Gerrit-Reviewer: Thomas Marshall <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
