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Posted to commits@hbase.apache.org by st...@apache.org on 2021/03/15 21:52:00 UTC

[hbase] branch branch-2.4 updated: HBASE-25621 Balancer should check region plan source to avoid misplace region groups (#3002)

This is an automated email from the ASF dual-hosted git repository.

stack pushed a commit to branch branch-2.4
in repository https://gitbox.apache.org/repos/asf/hbase.git


The following commit(s) were added to refs/heads/branch-2.4 by this push:
     new df2daf9  HBASE-25621 Balancer should check region plan source to avoid misplace region groups (#3002)
df2daf9 is described below

commit df2daf9e1e4bb9767b8184dc2f5da862fc46d200
Author: haxiaolin <li...@gmail.com>
AuthorDate: Tue Mar 16 05:47:27 2021 +0800

    HBASE-25621 Balancer should check region plan source to avoid misplace region groups (#3002)
    
    Signed-off-by: stack <st...@duboce.net>
---
 .../src/main/java/org/apache/hadoop/hbase/master/HMaster.java |  2 +-
 .../hadoop/hbase/master/assignment/AssignmentManager.java     | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
index 67dfcb6..9f15891 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
@@ -1737,7 +1737,7 @@ public class HMaster extends HRegionServer implements MasterServices {
         LOG.info("balance " + plan);
         //TODO: bulk assign
         try {
-          this.assignmentManager.moveAsync(plan);
+          this.assignmentManager.balance(plan);
         } catch (HBaseIOException hioe) {
           //should ignore failed plans here, avoiding the whole balance plans be aborted
           //later calls of balance() can fetch up the failed and skipped plans
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/AssignmentManager.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/AssignmentManager.java
index 9603025..107330d 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/AssignmentManager.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/AssignmentManager.java
@@ -725,6 +725,17 @@ public class AssignmentManager {
     return ProcedureSyncWait.submitProcedure(master.getMasterProcedureExecutor(), proc);
   }
 
+  public Future<byte[]> balance(RegionPlan regionPlan) throws HBaseIOException {
+    ServerName current =
+      this.getRegionStates().getRegionAssignments().get(regionPlan.getRegionInfo());
+    if (!current.equals(regionPlan.getSource())) {
+      LOG.debug("Skip region plan {}, source server not match, current region location is {}",
+        regionPlan, current);
+      return null;
+    }
+    return moveAsync(regionPlan);
+  }
+
   // ============================================================================================
   //  RegionTransition procedures helpers
   // ============================================================================================