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From a...@apache.org
Subject kudu git commit: [tools] KUDU-2331: Allow move tool to work when uninvolved tserver is down
Date Tue, 27 Mar 2018 20:46:27 GMT
Repository: kudu
Updated Branches:
  refs/heads/branch-1.5.x 011a70b91 -> 82bcc8c96


[tools] KUDU-2331: Allow move tool to work when uninvolved tserver is down

The move tool requires a clean ksck for the tablet it's acting on
for safety reasons, but the check for this failed if a tablet server
was down, even if the tablet server didn't host a replica for the
tablet and wasn't the destination server. This fixes the move
command so a down tserver uninvolved in the move won't prevent the
move.

Change-Id: Id1fc60233f4f50f478da7ccb104e37df3067400c
Reviewed-on: http://gerrit.cloudera.org:8080/9510
Reviewed-by: Adar Dembo <adar@cloudera.com>
Tested-by: Kudu Jenkins
Reviewed-on: http://gerrit.cloudera.org:8080/9820
Reviewed-by: Will Berkeley <wdberkeley@gmail.com>
Tested-by: Will Berkeley <wdberkeley@gmail.com>


Project: http://git-wip-us.apache.org/repos/asf/kudu/repo
Commit: http://git-wip-us.apache.org/repos/asf/kudu/commit/82bcc8c9
Tree: http://git-wip-us.apache.org/repos/asf/kudu/tree/82bcc8c9
Diff: http://git-wip-us.apache.org/repos/asf/kudu/diff/82bcc8c9

Branch: refs/heads/branch-1.5.x
Commit: 82bcc8c968c97b6820590a8f79a7c5ca9c200560
Parents: 011a70b
Author: Will Berkeley <wdberkeley@apache.org>
Authored: Tue Mar 6 11:37:05 2018 -0800
Committer: Will Berkeley <wdberkeley@gmail.com>
Committed: Tue Mar 27 20:09:57 2018 +0000

----------------------------------------------------------------------
 src/kudu/tools/tool_action_tablet.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/kudu/blob/82bcc8c9/src/kudu/tools/tool_action_tablet.cc
----------------------------------------------------------------------
diff --git a/src/kudu/tools/tool_action_tablet.cc b/src/kudu/tools/tool_action_tablet.cc
index db6c4b7..9d43d0b 100644
--- a/src/kudu/tools/tool_action_tablet.cc
+++ b/src/kudu/tools/tool_action_tablet.cc
@@ -141,7 +141,11 @@ Status DoKsckForTablet(const vector<string>& master_addresses,
const string& tab
   ksck.set_tablet_id_filters({ tablet_id });
   RETURN_NOT_OK(ksck.CheckMasterRunning());
   RETURN_NOT_OK(ksck.FetchTableAndTabletInfo());
-  RETURN_NOT_OK(ksck.FetchInfoFromTabletServers());
+  // The return Status is ignored since a tserver that is not the destination
+  // nor a host of a replica might be down, and in that case the move should
+  // succeed. Problems with the destination tserver or the tablet will still
+  // be detected by ksck or other commands.
+  ignore_result(ksck.FetchInfoFromTabletServers());
   return ksck.CheckTablesConsistency();
 }
 


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