[
https://issues.apache.org/jira/browse/PHOENIX-1457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14380509#comment-14380509
]
ASF GitHub Bot commented on PHOENIX-1457:
-----------------------------------------
Github user jyates commented on a diff in the pull request:
https://github.com/apache/phoenix/pull/55#discussion_r27153852
--- Diff:
phoenix-core/src/it/java/org/apache/phoenix/end2end/index/PhoenixRpcIT.java ---
@@ -0,0 +1,264 @@
+/*
+ * 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.end2end.index;
+
+import static org.apache.phoenix.util.PhoenixRuntime.JDBC_PROTOCOL;
+import static
org.apache.phoenix.util.PhoenixRuntime.JDBC_PROTOCOL_SEPARATOR;
+import static
org.apache.phoenix.util.PhoenixRuntime.JDBC_PROTOCOL_TERMINATOR;
+import static
org.apache.phoenix.util.PhoenixRuntime.PHOENIX_TEST_DRIVER_URL_PARAM;
+import static org.apache.phoenix.util.TestUtil.LOCALHOST;
+import static org.apache.phoenix.util.TestUtil.TEST_PROPERTIES;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.util.List;
+import java.util.Properties;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hbase.HBaseConfiguration;
+import org.apache.hadoop.hbase.HBaseTestingUtility;
+import org.apache.hadoop.hbase.HRegionInfo;
+import org.apache.hadoop.hbase.MiniHBaseCluster;
+import org.apache.hadoop.hbase.ServerName;
+import org.apache.hadoop.hbase.client.HBaseAdmin;
+import org.apache.hadoop.hbase.ipc.BalancedQueueRpcExecutor;
+import org.apache.hadoop.hbase.ipc.CallRunner;
+import org.apache.hadoop.hbase.ipc.PhoenixRpcScheduler;
+import org.apache.hadoop.hbase.ipc.RpcControllerFactory;
+import org.apache.hadoop.hbase.ipc.RpcExecutor;
+import org.apache.hadoop.hbase.ipc.RpcScheduler;
+import org.apache.hadoop.hbase.master.AssignmentManager;
+import org.apache.hadoop.hbase.master.HMaster;
+import org.apache.hadoop.hbase.regionserver.HRegionServer;
+import org.apache.hadoop.hbase.regionserver.RegionServerServices;
+import org.apache.hadoop.hbase.util.Bytes;
+import org.apache.phoenix.end2end.NeedsOwnMiniClusterTest;
+import org.apache.phoenix.hbase.index.PhoenixRpcControllerFactory;
+import org.apache.phoenix.hbase.index.ipc.PhoenixRpcSchedulerFactory;
+import org.apache.phoenix.jdbc.PhoenixTestDriver;
+import org.apache.phoenix.query.BaseTest;
+import org.apache.phoenix.query.QueryServices;
+import org.apache.phoenix.util.PropertiesUtil;
+import org.apache.phoenix.util.QueryUtil;
+import org.apache.phoenix.util.ReadOnlyProps;
+import org.apache.phoenix.util.SchemaUtil;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.mockito.Mockito;
+
+
+@Category(NeedsOwnMiniClusterTest.class)
--- End diff --
This ensures it runs the methods single-threaded, right?
> Use high priority queue for metadata endpoint calls
> ---------------------------------------------------
>
> Key: PHOENIX-1457
> URL: https://issues.apache.org/jira/browse/PHOENIX-1457
> Project: Phoenix
> Issue Type: Bug
> Reporter: James Taylor
> Assignee: Thomas D'Silva
> Labels: 4.3.1
>
> If the RS hosting the system table gets swamped, then we'd be bottlenecked
> waiting for the response back before running a query when we check if the
> metadata is in sync. We should run endpoint coprocessor calls for
> MetaDataService at a high priority to avoid that.
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