[GitHub] [hbase] virajjasani commented on a change in pull request #1883: HBASE-24530 Introduce a split policy similar with SteppingSplitPolicy…

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virajjasani commented on a change in pull request #1883:
URL: https://github.com/apache/hbase/pull/1883#discussion_r441468251



##########
File path: hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/SteppingAllStoresSizeSplitPolicy.java
##########
@@ -0,0 +1,49 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hbase.regionserver;
+
+import org.apache.hadoop.hbase.procedure2.util.StringUtils;
+import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@InterfaceAudience.Private
+public class SteppingAllStoresSizeSplitPolicy extends SteppingSplitPolicy {
+  private static final Logger LOG =
+    LoggerFactory.getLogger(SteppingAllStoresSizeSplitPolicy.class);
+
+  /**
+   * @return true if sum of store's size exceed the sizeToCheck
+   */
+  @Override
+  protected boolean isExceedSize(int tableRegionsCount, long sizeToCheck) {
+    long sumSize = 0;
+    for (HStore store : region.getStores()) {
+      sumSize += store.getSize();
+    }
+    if (sumSize > sizeToCheck) {
+      LOG.debug("ShouldSplit because region size is big enough " +
+        " size=" + StringUtils.humanSize(sumSize) +
+        ", sizeToCheck=" + StringUtils.humanSize(sizeToCheck) +
+        ", regionsWithCommonTable=" + tableRegionsCount);

Review comment:
       Can you use placeholders with `{}` for all arguments?




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