virajjasani commented on code in PR #2051: URL: https://github.com/apache/phoenix/pull/2051#discussion_r1904631590
########## phoenix-core-server/src/main/java/org/apache/phoenix/coprocessor/PhoenixMasterObserver.java: ########## @@ -0,0 +1,215 @@ +/* + * 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.phoenix.coprocessor; + +import java.sql.Connection; +import java.sql.PreparedStatement; +import java.sql.ResultSet; +import java.sql.SQLException; +import java.sql.Types; +import java.util.Arrays; +import java.util.Optional; + +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.hbase.TableName; +import org.apache.hadoop.hbase.coprocessor.MasterCoprocessor; +import org.apache.hadoop.hbase.coprocessor.MasterCoprocessorEnvironment; +import org.apache.hadoop.hbase.coprocessor.MasterObserver; +import org.apache.hadoop.hbase.coprocessor.ObserverContext; +import org.apache.hadoop.hbase.client.RegionInfo; +import org.apache.hadoop.hbase.util.Bytes; +import org.apache.phoenix.schema.PTable; +import org.apache.phoenix.schema.TableNotFoundException; +import org.apache.phoenix.util.CDCUtil; +import org.apache.phoenix.util.PhoenixRuntime; +import org.apache.phoenix.util.QueryUtil; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.SYSTEM_CDC_STREAM_NAME; +import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.SYSTEM_CDC_STREAM_STATUS_NAME; + +/** + * Master Coprocessor for Phoenix. + */ +public class PhoenixMasterObserver implements MasterObserver, MasterCoprocessor { + private static final Logger LOGGER = LoggerFactory.getLogger(PhoenixMasterObserver.class); + + private static final String STREAM_STATUS_QUERY + = "SELECT STREAM_NAME FROM " + SYSTEM_CDC_STREAM_STATUS_NAME + + " WHERE TABLE_NAME = ? AND STREAM_STATUS='" + + CDCUtil.CdcStreamStatus.ENABLED.getSerializedValue() + "'"; + + // tableName, streamName, partitionId, parentId, startTime, endTime, startKey, endKey + private static final String PARTITION_UPSERT_SQL + = "UPSERT INTO " + SYSTEM_CDC_STREAM_NAME + " VALUES (?,?,?,?,?,?,?,?)"; + + private static final String PARENT_PARTITION_QUERY + = "SELECT PARTITION_ID FROM " + SYSTEM_CDC_STREAM_NAME + + " WHERE TABLE_NAME = ? AND STREAM_NAME = ? "; + + private static final String PARENT_PARTITION_UPDATE_END_TIME_SQL + = "UPSERT INTO " + SYSTEM_CDC_STREAM_NAME + " (TABLE_NAME, STREAM_NAME, PARTITION_ID, " + + "PARTITION_END_TIME) VALUES (?,?,?,?)"; + + @Override + public Optional<MasterObserver> getMasterObserver() { + return Optional.of(this); + } + + /** + * Update parent -> daughter relationship for CDC Streams. + * - find parent partition id using start/end keys of daughters + * - upsert partition metadata for the 2 daughters + * - update the end time on the parent's partition metadata + * @param c the environment to interact with the framework and master + * @param regionInfoA the left daughter region + * @param regionInfoB the right daughter region + */ + @Override + public void postCompletedSplitRegionAction(final ObserverContext<MasterCoprocessorEnvironment> c, + final RegionInfo regionInfoA, final RegionInfo regionInfoB) { + Configuration conf = c.getEnvironment().getConfiguration(); + try { + Connection conn = QueryUtil.getConnectionOnServer(conf); + // CDC will be enabled on Phoenix tables only + PTable phoenixTable = getPhoenixTable(conn, regionInfoA.getTable()); + if (phoenixTable == null) { + LOGGER.info(regionInfoA.getTable() + " is not a Phoenix Table, " + + "skipping partition metadata update."); + return; + } + // find streamName with ENABLED status + String tableName = phoenixTable.getName().getString(); + PreparedStatement pstmt = conn.prepareStatement(STREAM_STATUS_QUERY); + pstmt.setString(1, tableName); + ResultSet rs = pstmt.executeQuery(); + if (rs.next()) { + String streamName = rs.getString(1); + LOGGER.info("Updating partition metadata for table=" + tableName + ", stream=" + + streamName + " for daughters " + regionInfoA.getEncodedName() + " " + + regionInfoB.getEncodedName()); + String parentPartitionID = getParentPartitionId(conn, tableName, streamName, regionInfoA, regionInfoB); + upsertDaughterPartition(conn, tableName, streamName, parentPartitionID, regionInfoA); + upsertDaughterPartition(conn, tableName, streamName, parentPartitionID, regionInfoB); + updateParentPartitionEndTime(conn, tableName, streamName, parentPartitionID, regionInfoA.getRegionId()); + } + } catch (SQLException e) { + LOGGER.error("Unable to update CDC Stream Partition metadata during split with daughter regions: " + + regionInfoA.getEncodedName() + " " + regionInfoB.getEncodedName() ); + LOGGER.error("Error: " + e); Review Comment: Combination with Exception as last argument will be helpful for better debugging: `LOGGER.error("Unable to update CDC Stream Partition metadata during split with daughter regions: {} {}", regionInfoA.getEncodedName(), regionInfoB.getEncodedName(), e);` ########## phoenix-core-server/src/main/java/org/apache/phoenix/coprocessor/PhoenixMasterObserver.java: ########## @@ -0,0 +1,215 @@ +/* + * 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.phoenix.coprocessor; + +import java.sql.Connection; +import java.sql.PreparedStatement; +import java.sql.ResultSet; +import java.sql.SQLException; +import java.sql.Types; +import java.util.Arrays; +import java.util.Optional; + +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.hbase.TableName; +import org.apache.hadoop.hbase.coprocessor.MasterCoprocessor; +import org.apache.hadoop.hbase.coprocessor.MasterCoprocessorEnvironment; +import org.apache.hadoop.hbase.coprocessor.MasterObserver; +import org.apache.hadoop.hbase.coprocessor.ObserverContext; +import org.apache.hadoop.hbase.client.RegionInfo; +import org.apache.hadoop.hbase.util.Bytes; +import org.apache.phoenix.schema.PTable; +import org.apache.phoenix.schema.TableNotFoundException; +import org.apache.phoenix.util.CDCUtil; +import org.apache.phoenix.util.PhoenixRuntime; +import org.apache.phoenix.util.QueryUtil; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.SYSTEM_CDC_STREAM_NAME; +import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.SYSTEM_CDC_STREAM_STATUS_NAME; + +/** + * Master Coprocessor for Phoenix. + */ +public class PhoenixMasterObserver implements MasterObserver, MasterCoprocessor { + private static final Logger LOGGER = LoggerFactory.getLogger(PhoenixMasterObserver.class); + + private static final String STREAM_STATUS_QUERY + = "SELECT STREAM_NAME FROM " + SYSTEM_CDC_STREAM_STATUS_NAME + + " WHERE TABLE_NAME = ? AND STREAM_STATUS='" + + CDCUtil.CdcStreamStatus.ENABLED.getSerializedValue() + "'"; + + // tableName, streamName, partitionId, parentId, startTime, endTime, startKey, endKey + private static final String PARTITION_UPSERT_SQL + = "UPSERT INTO " + SYSTEM_CDC_STREAM_NAME + " VALUES (?,?,?,?,?,?,?,?)"; + + private static final String PARENT_PARTITION_QUERY + = "SELECT PARTITION_ID FROM " + SYSTEM_CDC_STREAM_NAME + + " WHERE TABLE_NAME = ? AND STREAM_NAME = ? "; + + private static final String PARENT_PARTITION_UPDATE_END_TIME_SQL + = "UPSERT INTO " + SYSTEM_CDC_STREAM_NAME + " (TABLE_NAME, STREAM_NAME, PARTITION_ID, " + + "PARTITION_END_TIME) VALUES (?,?,?,?)"; + + @Override + public Optional<MasterObserver> getMasterObserver() { + return Optional.of(this); + } + + /** + * Update parent -> daughter relationship for CDC Streams. + * - find parent partition id using start/end keys of daughters + * - upsert partition metadata for the 2 daughters + * - update the end time on the parent's partition metadata + * @param c the environment to interact with the framework and master + * @param regionInfoA the left daughter region + * @param regionInfoB the right daughter region + */ + @Override + public void postCompletedSplitRegionAction(final ObserverContext<MasterCoprocessorEnvironment> c, + final RegionInfo regionInfoA, final RegionInfo regionInfoB) { + Configuration conf = c.getEnvironment().getConfiguration(); + try { + Connection conn = QueryUtil.getConnectionOnServer(conf); + // CDC will be enabled on Phoenix tables only + PTable phoenixTable = getPhoenixTable(conn, regionInfoA.getTable()); + if (phoenixTable == null) { + LOGGER.info(regionInfoA.getTable() + " is not a Phoenix Table, " + + "skipping partition metadata update."); + return; + } + // find streamName with ENABLED status + String tableName = phoenixTable.getName().getString(); + PreparedStatement pstmt = conn.prepareStatement(STREAM_STATUS_QUERY); + pstmt.setString(1, tableName); + ResultSet rs = pstmt.executeQuery(); + if (rs.next()) { + String streamName = rs.getString(1); + LOGGER.info("Updating partition metadata for table=" + tableName + ", stream=" + + streamName + " for daughters " + regionInfoA.getEncodedName() + " " + + regionInfoB.getEncodedName()); Review Comment: Same here and other places: e.g. `LOGGER.info("Updating partition metadata for table={}, stream={} for daughters {} {}", tableName, streamName, regionInfoA.getEncodedName(), regionInfoB.getEncodedName());` ########## phoenix-core-server/src/main/java/org/apache/phoenix/coprocessor/PhoenixMasterObserver.java: ########## @@ -0,0 +1,215 @@ +/* + * 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.phoenix.coprocessor; + +import java.sql.Connection; +import java.sql.PreparedStatement; +import java.sql.ResultSet; +import java.sql.SQLException; +import java.sql.Types; +import java.util.Arrays; +import java.util.Optional; + +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.hbase.TableName; +import org.apache.hadoop.hbase.coprocessor.MasterCoprocessor; +import org.apache.hadoop.hbase.coprocessor.MasterCoprocessorEnvironment; +import org.apache.hadoop.hbase.coprocessor.MasterObserver; +import org.apache.hadoop.hbase.coprocessor.ObserverContext; +import org.apache.hadoop.hbase.client.RegionInfo; +import org.apache.hadoop.hbase.util.Bytes; +import org.apache.phoenix.schema.PTable; +import org.apache.phoenix.schema.TableNotFoundException; +import org.apache.phoenix.util.CDCUtil; +import org.apache.phoenix.util.PhoenixRuntime; +import org.apache.phoenix.util.QueryUtil; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.SYSTEM_CDC_STREAM_NAME; +import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.SYSTEM_CDC_STREAM_STATUS_NAME; + +/** + * Master Coprocessor for Phoenix. + */ +public class PhoenixMasterObserver implements MasterObserver, MasterCoprocessor { + private static final Logger LOGGER = LoggerFactory.getLogger(PhoenixMasterObserver.class); + + private static final String STREAM_STATUS_QUERY + = "SELECT STREAM_NAME FROM " + SYSTEM_CDC_STREAM_STATUS_NAME + + " WHERE TABLE_NAME = ? AND STREAM_STATUS='" + + CDCUtil.CdcStreamStatus.ENABLED.getSerializedValue() + "'"; + + // tableName, streamName, partitionId, parentId, startTime, endTime, startKey, endKey + private static final String PARTITION_UPSERT_SQL + = "UPSERT INTO " + SYSTEM_CDC_STREAM_NAME + " VALUES (?,?,?,?,?,?,?,?)"; + + private static final String PARENT_PARTITION_QUERY + = "SELECT PARTITION_ID FROM " + SYSTEM_CDC_STREAM_NAME + + " WHERE TABLE_NAME = ? AND STREAM_NAME = ? "; + + private static final String PARENT_PARTITION_UPDATE_END_TIME_SQL + = "UPSERT INTO " + SYSTEM_CDC_STREAM_NAME + " (TABLE_NAME, STREAM_NAME, PARTITION_ID, " + + "PARTITION_END_TIME) VALUES (?,?,?,?)"; + + @Override + public Optional<MasterObserver> getMasterObserver() { + return Optional.of(this); + } + + /** + * Update parent -> daughter relationship for CDC Streams. + * - find parent partition id using start/end keys of daughters + * - upsert partition metadata for the 2 daughters + * - update the end time on the parent's partition metadata + * @param c the environment to interact with the framework and master + * @param regionInfoA the left daughter region + * @param regionInfoB the right daughter region + */ + @Override + public void postCompletedSplitRegionAction(final ObserverContext<MasterCoprocessorEnvironment> c, + final RegionInfo regionInfoA, final RegionInfo regionInfoB) { + Configuration conf = c.getEnvironment().getConfiguration(); + try { + Connection conn = QueryUtil.getConnectionOnServer(conf); + // CDC will be enabled on Phoenix tables only + PTable phoenixTable = getPhoenixTable(conn, regionInfoA.getTable()); + if (phoenixTable == null) { + LOGGER.info(regionInfoA.getTable() + " is not a Phoenix Table, " + + "skipping partition metadata update."); + return; + } + // find streamName with ENABLED status + String tableName = phoenixTable.getName().getString(); + PreparedStatement pstmt = conn.prepareStatement(STREAM_STATUS_QUERY); + pstmt.setString(1, tableName); + ResultSet rs = pstmt.executeQuery(); + if (rs.next()) { + String streamName = rs.getString(1); + LOGGER.info("Updating partition metadata for table=" + tableName + ", stream=" + + streamName + " for daughters " + regionInfoA.getEncodedName() + " " + + regionInfoB.getEncodedName()); + String parentPartitionID = getParentPartitionId(conn, tableName, streamName, regionInfoA, regionInfoB); + upsertDaughterPartition(conn, tableName, streamName, parentPartitionID, regionInfoA); + upsertDaughterPartition(conn, tableName, streamName, parentPartitionID, regionInfoB); + updateParentPartitionEndTime(conn, tableName, streamName, parentPartitionID, regionInfoA.getRegionId()); + } + } catch (SQLException e) { + LOGGER.error("Unable to update CDC Stream Partition metadata during split with daughter regions: " + + regionInfoA.getEncodedName() + " " + regionInfoB.getEncodedName() ); + LOGGER.error("Error: " + e); + } + } + + private PTable getPhoenixTable(Connection conn, TableName tableName) throws SQLException { + PTable pTable; + try { + pTable = PhoenixRuntime.getTable(conn, tableName.toString()); + } catch (TableNotFoundException e) { + return null; + } + return pTable; + } + + /** + * Lookup parent's partition id (region's encoded name) in SYSTEM.CDC_STREAM. + * We infer start and end key for the parent from the two daughters' start/end keys. + */ + private String getParentPartitionId(Connection conn, String tableName, String streamName, + RegionInfo regionInfoA, RegionInfo regionInfoB) + throws SQLException { + byte[] inferredParentStartKey = + Bytes.compareTo(regionInfoA.getStartKey(), regionInfoB.getStartKey()) < 0 ? + regionInfoA.getStartKey() : regionInfoB.getStartKey(); + + byte[] inferredParentEndKey = (regionInfoB.getEndKey().length == 0 || regionInfoA.getEndKey().length == 0) + ? new byte[0] + : Bytes.compareTo(regionInfoA.getEndKey(), regionInfoB.getEndKey()) < 0 + ? regionInfoB.getEndKey() + : regionInfoA.getEndKey(); + + StringBuilder qb = new StringBuilder(PARENT_PARTITION_QUERY); + if (inferredParentStartKey.length == 0) { + qb.append(" AND PARTITION_START_KEY IS NULL "); + } else { + qb.append(" AND PARTITION_START_KEY = ? "); + } + if (inferredParentEndKey.length == 0) { + qb.append(" AND PARTITION_END_KEY IS NULL "); + } else { + qb.append(" AND PARTITION_END_KEY = ? "); + } + + PreparedStatement pstmt = conn.prepareStatement(qb.toString()); + int index = 1; + pstmt.setString(index++, tableName); + pstmt.setString(index++, streamName); + if (inferredParentStartKey.length > 0) pstmt.setBytes(index++, inferredParentStartKey); + if (inferredParentEndKey.length > 0) pstmt.setBytes(index++, inferredParentEndKey); + LOGGER.info("Query to get parent partition id: " + pstmt); + ResultSet rs = pstmt.executeQuery(); + if (rs.next()) { + return rs.getString(1); + } else { + throw new SQLException(String.format("Could not find parent of the provided daughters: " + + "startKeyA=%s endKeyA=%s startKeyB=%s endKeyB=%s", + Arrays.toString(regionInfoA.getStartKey()), Arrays.toString(regionInfoA.getEndKey()), + Arrays.toString(regionInfoB.getStartKey()), Arrays.toString(regionInfoB.getEndKey()))); Review Comment: Bytes utility for better debugging: ``` throw new SQLException(String.format("Could not find parent of the provided daughters: " + "startKeyA=%s endKeyA=%s startKeyB=%s endKeyB=%s", Bytes.toStringBinary(regionInfoA.getStartKey()), Bytes.toStringBinary(regionInfoA.getEndKey()), Bytes.toStringBinary(regionInfoB.getStartKey()), Bytes.toStringBinary(regionInfoB.getEndKey()))); ``` ########## phoenix-core-server/src/main/java/org/apache/phoenix/coprocessor/tasks/CdcStreamPartitionMetadataTask.java: ########## @@ -136,13 +136,16 @@ private void upsertPartitionMetadata(PhoenixConnection pconn, String tableName, throws SQLException { try (PreparedStatement ps = pconn.prepareStatement(CDC_STREAM_PARTITION_UPSERT_SQL)) { for (HRegionLocation tableRegion : tableRegions) { + // set parent_partition_id, partition_end_time to null RegionInfo ri = tableRegion.getRegionInfo(); Review Comment: nit: this is deprecated, alternative: `RegionInfo ri = tableRegion.getRegion()` ########## phoenix-core-server/src/main/java/org/apache/phoenix/coprocessor/PhoenixMasterObserver.java: ########## @@ -0,0 +1,215 @@ +/* + * 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.phoenix.coprocessor; + +import java.sql.Connection; +import java.sql.PreparedStatement; +import java.sql.ResultSet; +import java.sql.SQLException; +import java.sql.Types; +import java.util.Arrays; +import java.util.Optional; + +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.hbase.TableName; +import org.apache.hadoop.hbase.coprocessor.MasterCoprocessor; +import org.apache.hadoop.hbase.coprocessor.MasterCoprocessorEnvironment; +import org.apache.hadoop.hbase.coprocessor.MasterObserver; +import org.apache.hadoop.hbase.coprocessor.ObserverContext; +import org.apache.hadoop.hbase.client.RegionInfo; +import org.apache.hadoop.hbase.util.Bytes; +import org.apache.phoenix.schema.PTable; +import org.apache.phoenix.schema.TableNotFoundException; +import org.apache.phoenix.util.CDCUtil; +import org.apache.phoenix.util.PhoenixRuntime; +import org.apache.phoenix.util.QueryUtil; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.SYSTEM_CDC_STREAM_NAME; +import static org.apache.phoenix.jdbc.PhoenixDatabaseMetaData.SYSTEM_CDC_STREAM_STATUS_NAME; + +/** + * Master Coprocessor for Phoenix. + */ +public class PhoenixMasterObserver implements MasterObserver, MasterCoprocessor { + private static final Logger LOGGER = LoggerFactory.getLogger(PhoenixMasterObserver.class); + + private static final String STREAM_STATUS_QUERY + = "SELECT STREAM_NAME FROM " + SYSTEM_CDC_STREAM_STATUS_NAME + + " WHERE TABLE_NAME = ? AND STREAM_STATUS='" + + CDCUtil.CdcStreamStatus.ENABLED.getSerializedValue() + "'"; + + // tableName, streamName, partitionId, parentId, startTime, endTime, startKey, endKey + private static final String PARTITION_UPSERT_SQL + = "UPSERT INTO " + SYSTEM_CDC_STREAM_NAME + " VALUES (?,?,?,?,?,?,?,?)"; + + private static final String PARENT_PARTITION_QUERY + = "SELECT PARTITION_ID FROM " + SYSTEM_CDC_STREAM_NAME + + " WHERE TABLE_NAME = ? AND STREAM_NAME = ? "; + + private static final String PARENT_PARTITION_UPDATE_END_TIME_SQL + = "UPSERT INTO " + SYSTEM_CDC_STREAM_NAME + " (TABLE_NAME, STREAM_NAME, PARTITION_ID, " + + "PARTITION_END_TIME) VALUES (?,?,?,?)"; + + @Override + public Optional<MasterObserver> getMasterObserver() { + return Optional.of(this); + } + + /** + * Update parent -> daughter relationship for CDC Streams. + * - find parent partition id using start/end keys of daughters + * - upsert partition metadata for the 2 daughters + * - update the end time on the parent's partition metadata + * @param c the environment to interact with the framework and master + * @param regionInfoA the left daughter region + * @param regionInfoB the right daughter region + */ + @Override + public void postCompletedSplitRegionAction(final ObserverContext<MasterCoprocessorEnvironment> c, + final RegionInfo regionInfoA, final RegionInfo regionInfoB) { + Configuration conf = c.getEnvironment().getConfiguration(); + try { + Connection conn = QueryUtil.getConnectionOnServer(conf); + // CDC will be enabled on Phoenix tables only + PTable phoenixTable = getPhoenixTable(conn, regionInfoA.getTable()); + if (phoenixTable == null) { + LOGGER.info(regionInfoA.getTable() + " is not a Phoenix Table, " + + "skipping partition metadata update."); Review Comment: nit: parameterized log message: `LOGGER.info("{} is not a Phoenix Table, skipping partition metadata update.", regionInfoA.getTable());` -- This is an automated message from the Apache Git Service. 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