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Posted to commits@hbase.apache.org by st...@apache.org on 2020/02/20 05:15:31 UTC

[hbase] branch branch-2.1 updated: Revert "HBASE-23864 No need to submit SplitTableRegionProcedure/MergeTableRegionsProcedure when split/merge is disabled (#1182)" Causes TestSplitOrMergeStatus to fail. Reverting.

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

stack pushed a commit to branch branch-2.1
in repository https://gitbox.apache.org/repos/asf/hbase.git


The following commit(s) were added to refs/heads/branch-2.1 by this push:
     new 077f15d  Revert "HBASE-23864 No need to submit SplitTableRegionProcedure/MergeTableRegionsProcedure when split/merge is disabled (#1182)" Causes TestSplitOrMergeStatus to fail. Reverting.
077f15d is described below

commit 077f15d40b51ca17c6e55210cde1a84776f6982b
Author: stack <st...@apache.org>
AuthorDate: Wed Feb 19 21:14:56 2020 -0800

    Revert "HBASE-23864 No need to submit SplitTableRegionProcedure/MergeTableRegionsProcedure when split/merge is disabled (#1182)"
    Causes TestSplitOrMergeStatus to fail. Reverting.
    
    This reverts commit c8cf9f608cde85014ab4a25258777aebaf670b75.
---
 .../main/java/org/apache/hadoop/hbase/master/HMaster.java  | 13 -------------
 .../hadoop/hbase/master/assignment/AssignmentManager.java  | 14 --------------
 .../master/assignment/MergeTableRegionsProcedure.java      |  6 +-----
 .../hbase/master/assignment/SplitTableRegionProcedure.java |  7 ++-----
 4 files changed, 3 insertions(+), 37 deletions(-)

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 df96309..a61750c 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
@@ -1819,12 +1819,6 @@ public class HMaster extends HRegionServer implements MasterServices {
       final long nonce) throws IOException {
     checkInitialized();
 
-    if (!isSplitOrMergeEnabled(MasterSwitchType.MERGE)) {
-      String regionsStr = Arrays.deepToString(regionsToMerge);
-      LOG.warn("Merge switch is off! skip merge of " + regionsStr);
-      throw new IOException("Merge of " + regionsStr + " failed because merge switch is off");
-    }
-
     final String mergeRegionsStr = Arrays.stream(regionsToMerge).
       map(r -> RegionInfo.getShortNameToLog(r)).collect(Collectors.joining(", "));
     return MasterProcedureUtil.submitProcedure(new NonceProcedureRunnable(this, ng, nonce) {
@@ -1850,13 +1844,6 @@ public class HMaster extends HRegionServer implements MasterServices {
       final long nonceGroup, final long nonce)
   throws IOException {
     checkInitialized();
-
-    if (!isSplitOrMergeEnabled(MasterSwitchType.SPLIT)) {
-      LOG.warn("Split switch is off! skip split of " + regionInfo);
-      throw new IOException("Split region " + regionInfo.getRegionNameAsString() +
-          " failed due to split switch off");
-    }
-
     return MasterProcedureUtil.submitProcedure(
         new MasterProcedureUtil.NonceProcedureRunnable(this, nonceGroup, nonce) {
       @Override
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 42f1b0e..f47d625 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
@@ -34,7 +34,6 @@ import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.locks.Condition;
 import java.util.concurrent.locks.ReentrantLock;
 import java.util.stream.Collectors;
-
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HBaseIOException;
 import org.apache.hadoop.hbase.HConstants;
@@ -42,7 +41,6 @@ import org.apache.hadoop.hbase.PleaseHoldException;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.YouAreDeadException;
-import org.apache.hadoop.hbase.client.MasterSwitchType;
 import org.apache.hadoop.hbase.client.RegionInfo;
 import org.apache.hadoop.hbase.client.RegionInfoBuilder;
 import org.apache.hadoop.hbase.client.RegionStatesCount;
@@ -899,12 +897,6 @@ public class AssignmentManager implements ServerListener {
         " hriA=" + hriA + " hriB=" + hriB);
     }
 
-    if (!master.isSplitOrMergeEnabled(MasterSwitchType.SPLIT)) {
-      LOG.warn("Split switch is off! skip split of " + parent);
-      throw new IOException("Split region " + parent.getRegionNameAsString() +
-          " failed due to split switch off");
-    }
-
     // Submit the Split procedure
     final byte[] splitKey = hriB.getStartKey();
     if (LOG.isDebugEnabled()) {
@@ -930,12 +922,6 @@ public class AssignmentManager implements ServerListener {
         " maybe an old RS (< 2.0) had the operation in progress");
     }
 
-    if (!master.isSplitOrMergeEnabled(MasterSwitchType.MERGE)) {
-      LOG.warn("Merge switch is off! skip merge of regionA=" + hriA + " regionB=" + hriB);
-      throw new IOException("Merge of regionA=" + hriA + " regionB=" + hriB +
-        " failed because merge switch is off");
-    }
-
     // Submit the Merge procedure
     if (LOG.isDebugEnabled()) {
       LOG.debug("Handling merge request from RS=" + merged + ", merged=" + merged);
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/MergeTableRegionsProcedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/MergeTableRegionsProcedure.java
index 1b46eff..22442fd 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/MergeTableRegionsProcedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/MergeTableRegionsProcedure.java
@@ -472,10 +472,6 @@ public class MergeTableRegionsProcedure
       throw new MergeRegionException("Skip merging regions " +
           RegionInfo.getShortNameToLog(regionsToMerge) + ", because we are snapshotting " + tn);
     }
-
-    // Mostly this check is not used because we already check the switch before submit a merge
-    // procedure. Just for safe, check the switch again. This procedure can be rollbacked if
-    // the switch was set to false after submit.
     if (!env.getMasterServices().isSplitOrMergeEnabled(MasterSwitchType.MERGE)) {
       String regionsStr = Arrays.deepToString(this.regionsToMerge);
       LOG.warn("Merge switch is off! skip merge of " + regionsStr);
@@ -835,4 +831,4 @@ public class MergeTableRegionsProcedure
     // range of steps; what do we do for these should an operator want to cancel them? HBASE-20022.
     return isRollbackSupported(getCurrentState()) && super.abort(env);
   }
-}
+}
\ No newline at end of file
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/SplitTableRegionProcedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/SplitTableRegionProcedure.java
index 01c2186..2856ab0 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/SplitTableRegionProcedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/SplitTableRegionProcedure.java
@@ -501,9 +501,8 @@ public class SplitTableRegionProcedure
       return false;
     }
 
-    // Mostly this check is not used because we already check the switch before submit a split
-    // procedure. Just for safe, check the switch again. This procedure can be rollbacked if
-    // the switch was set to false after submit.
+    // Since we have the lock and the master is coordinating the operation
+    // we are always able to split the region
     if (!env.getMasterServices().isSplitOrMergeEnabled(MasterSwitchType.SPLIT)) {
       LOG.warn("pid=" + getProcId() + " split switch is off! skip split of " + parentHRI);
       setFailure(new IOException("Split region " + parentHRI.getRegionNameAsString() +
@@ -532,8 +531,6 @@ public class SplitTableRegionProcedure
     // set node state as SPLITTING
     node.setState(State.SPLITTING);
 
-    // Since we have the lock and the master is coordinating the operation
-    // we are always able to split the region
     return true;
   }