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Posted to commits@hbase.apache.org by ps...@apache.org on 2021/01/29 18:05:17 UTC

[hbase] branch branch-2.2 updated: HBASE-25523 Region normalizer chore thread is getting killed (#2911)

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

psomogyi pushed a commit to branch branch-2.2
in repository https://gitbox.apache.org/repos/asf/hbase.git


The following commit(s) were added to refs/heads/branch-2.2 by this push:
     new dc1eaf3  HBASE-25523 Region normalizer chore thread is getting killed (#2911)
dc1eaf3 is described below

commit dc1eaf3a02ad9bf6b24d5ccf8c6b86ff73c6aece
Author: Peter Somogyi <ps...@apache.org>
AuthorDate: Fri Jan 29 19:04:41 2021 +0100

    HBASE-25523 Region normalizer chore thread is getting killed (#2911)
    
    Signed-off-by: Viraj Jasani <vj...@apache.org>
---
 .../hbase/master/normalizer/SimpleRegionNormalizer.java     | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SimpleRegionNormalizer.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SimpleRegionNormalizer.java
index d20ba70..acc38eb 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SimpleRegionNormalizer.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SimpleRegionNormalizer.java
@@ -25,6 +25,7 @@ import java.util.Comparator;
 import java.util.List;
 import org.apache.hadoop.hbase.HBaseIOException;
 import org.apache.hadoop.hbase.RegionMetrics;
+import org.apache.hadoop.hbase.ServerMetrics;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.Size;
 import org.apache.hadoop.hbase.TableName;
@@ -252,8 +253,16 @@ public class SimpleRegionNormalizer implements RegionNormalizer {
   private long getRegionSize(RegionInfo hri) {
     ServerName sn = masterServices.getAssignmentManager().getRegionStates().
       getRegionServerOfRegion(hri);
-    RegionMetrics regionLoad = masterServices.getServerManager().getLoad(sn).
-      getRegionMetrics().get(hri.getRegionName());
+    if (sn == null) {
+      LOG.debug("{} region was not found on any Server", hri.getRegionNameAsString());
+      return -1;
+    }
+    ServerMetrics serverMetrics = masterServices.getServerManager().getLoad(sn);
+    if (serverMetrics == null) {
+      LOG.debug("server {} was not found in ServerManager", sn.getServerName());
+      return -1;
+    }
+    RegionMetrics regionLoad = serverMetrics.getRegionMetrics().get(hri.getRegionName());
     if (regionLoad == null) {
       LOG.debug(hri.getRegionNameAsString() + " was not found in RegionsLoad");
       return -1;