VladRodionov commented on a change in pull request #921: HBASE-22749: Distributed MOB compactions URL: https://github.com/apache/hbase/pull/921#discussion_r366601474
########## File path: hbase-server/src/main/java/org/apache/hadoop/hbase/master/MobFileCompactionChore.java ########## @@ -0,0 +1,224 @@ +/** + * 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.master; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; +import java.util.Map; +import java.util.concurrent.TimeUnit; + +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.hbase.ScheduledChore; +import org.apache.hadoop.hbase.TableDescriptors; +import org.apache.hadoop.hbase.TableName; +import org.apache.hadoop.hbase.client.Admin; +import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor; +import org.apache.hadoop.hbase.client.CompactionState; +import org.apache.hadoop.hbase.client.Connection; +import org.apache.hadoop.hbase.client.ConnectionFactory; +import org.apache.hadoop.hbase.client.RegionInfo; +import org.apache.hadoop.hbase.client.TableDescriptor; +import org.apache.hadoop.hbase.client.TableState; +import org.apache.hadoop.hbase.mob.MobConstants; +import org.apache.hadoop.hbase.util.EnvironmentEdgeManager; +import org.apache.yetus.audience.InterfaceAudience; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting; + + +/** + * Periodic MOB compaction chore. + * It runs MOB compaction on region servers in parallel, thus + * utilizing distributed cluster resources. To avoid possible major + * compaction storms, one can specify maximum number regions to be compacted + * in parallel by setting configuration parameter: <br> + * 'hbase.mob.major.compaction.region.batch.size', which by default is 0 (unlimited). + * + */ +@InterfaceAudience.Private +public class MobFileCompactionChore extends ScheduledChore { + + private static final Logger LOG = LoggerFactory.getLogger(MobFileCompactionChore.class); + private Configuration conf; + private HMaster master; + private int regionBatchSize = 0;// not set - compact all + + public MobFileCompactionChore(HMaster master) { + super(master.getServerName() + "-MobFileCompactionChore", master, + master.getConfiguration().getInt(MobConstants.MOB_COMPACTION_CHORE_PERIOD, + MobConstants.DEFAULT_MOB_COMPACTION_CHORE_PERIOD), + master.getConfiguration().getInt(MobConstants.MOB_COMPACTION_CHORE_PERIOD, + MobConstants.DEFAULT_MOB_COMPACTION_CHORE_PERIOD), + TimeUnit.SECONDS); + this.master = master; + this.conf = master.getConfiguration(); + this.regionBatchSize = + master.getConfiguration().getInt(MobConstants.MOB_MAJOR_COMPACTION_REGION_BATCH_SIZE, + MobConstants.DEFAULT_MOB_MAJOR_COMPACTION_REGION_BATCH_SIZE); + + } + + @VisibleForTesting + public MobFileCompactionChore(Configuration conf, int batchSize) { + this.conf = conf; + this.regionBatchSize = batchSize; + } + + @Override + protected void chore() { + + boolean reported = false; + + try (Connection conn = ConnectionFactory.createConnection(conf); + Admin admin = conn.getAdmin();) { + + TableDescriptors htds = master.getTableDescriptors(); + Map<String, TableDescriptor> map = htds.getAll(); + for (TableDescriptor htd : map.values()) { + if (!master.getTableStateManager().isTableState(htd.getTableName(), Review comment: If table is disabled we continue next iteration in a loop. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
