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Posted to commits@accumulo.apache.org by ec...@apache.org on 2015/06/04 20:53:22 UTC

[41/43] accumulo git commit: ACCUMULO-3871 move ITs into distro jar, stop building test jar

http://git-wip-us.apache.org/repos/asf/accumulo/blob/01ae5b85/test/src/main/java/org/apache/accumulo/test/CleanWalIT.java
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diff --git a/test/src/main/java/org/apache/accumulo/test/CleanWalIT.java b/test/src/main/java/org/apache/accumulo/test/CleanWalIT.java
new file mode 100644
index 0000000..2474b3e
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+++ b/test/src/main/java/org/apache/accumulo/test/CleanWalIT.java
@@ -0,0 +1,146 @@
+/*
+ * 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.accumulo.test;
+
+import static org.junit.Assert.assertEquals;
+
+import java.util.Map.Entry;
+
+import org.apache.accumulo.core.client.BatchWriter;
+import org.apache.accumulo.core.client.BatchWriterConfig;
+import org.apache.accumulo.core.client.Connector;
+import org.apache.accumulo.core.client.Scanner;
+import org.apache.accumulo.core.client.TableNotFoundException;
+import org.apache.accumulo.core.conf.Property;
+import org.apache.accumulo.core.data.Key;
+import org.apache.accumulo.core.data.Mutation;
+import org.apache.accumulo.core.data.Value;
+import org.apache.accumulo.core.metadata.MetadataTable;
+import org.apache.accumulo.core.metadata.RootTable;
+import org.apache.accumulo.core.metadata.schema.MetadataSchema;
+import org.apache.accumulo.core.security.Authorizations;
+import org.apache.accumulo.core.util.UtilWaitThread;
+import org.apache.accumulo.harness.AccumuloClusterHarness;
+import org.apache.accumulo.minicluster.ServerType;
+import org.apache.accumulo.minicluster.impl.MiniAccumuloConfigImpl;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.RawLocalFileSystem;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.collect.Iterators;
+
+public class CleanWalIT extends AccumuloClusterHarness {
+  private static final Logger log = LoggerFactory.getLogger(CleanWalIT.class);
+
+  @Override
+  public int defaultTimeoutSeconds() {
+    return 4 * 60;
+  }
+
+  @Override
+  public void configureMiniCluster(MiniAccumuloConfigImpl cfg, Configuration hadoopCoreSite) {
+    cfg.setProperty(Property.INSTANCE_ZK_TIMEOUT, "3s");
+    cfg.setNumTservers(1);
+    // use raw local file system so walogs sync and flush will work
+    hadoopCoreSite.set("fs.file.impl", RawLocalFileSystem.class.getName());
+  }
+
+  @Before
+  public void offlineTraceTable() throws Exception {
+    Connector conn = getConnector();
+    String traceTable = conn.instanceOperations().getSystemConfiguration().get(Property.TRACE_TABLE.getKey());
+    if (conn.tableOperations().exists(traceTable)) {
+      conn.tableOperations().offline(traceTable, true);
+    }
+  }
+
+  @After
+  public void onlineTraceTable() throws Exception {
+    if (null != cluster) {
+      Connector conn = getConnector();
+      String traceTable = conn.instanceOperations().getSystemConfiguration().get(Property.TRACE_TABLE.getKey());
+      if (conn.tableOperations().exists(traceTable)) {
+        conn.tableOperations().online(traceTable, true);
+      }
+    }
+  }
+
+  // test for ACCUMULO-1830
+  @Test
+  public void test() throws Exception {
+    Connector conn = getConnector();
+    String tableName = getUniqueNames(1)[0];
+    conn.tableOperations().create(tableName);
+    BatchWriter bw = conn.createBatchWriter(tableName, new BatchWriterConfig());
+    Mutation m = new Mutation("row");
+    m.put("cf", "cq", "value");
+    bw.addMutation(m);
+    bw.close();
+    getCluster().getClusterControl().stopAllServers(ServerType.TABLET_SERVER);
+    // all 3 tables should do recovery, but the bug doesn't really remove the log file references
+
+    getCluster().getClusterControl().startAllServers(ServerType.TABLET_SERVER);
+
+    for (String table : new String[] {MetadataTable.NAME, RootTable.NAME})
+      conn.tableOperations().flush(table, null, null, true);
+    log.debug("Checking entries for " + tableName);
+    assertEquals(1, count(tableName, conn));
+    for (String table : new String[] {MetadataTable.NAME, RootTable.NAME}) {
+      log.debug("Checking logs for " + table);
+      assertEquals("Found logs for " + table, 0, countLogs(table, conn));
+    }
+
+    bw = conn.createBatchWriter(tableName, new BatchWriterConfig());
+    m = new Mutation("row");
+    m.putDelete("cf", "cq");
+    bw.addMutation(m);
+    bw.close();
+    assertEquals(0, count(tableName, conn));
+    conn.tableOperations().flush(tableName, null, null, true);
+    conn.tableOperations().flush(MetadataTable.NAME, null, null, true);
+    conn.tableOperations().flush(RootTable.NAME, null, null, true);
+    try {
+      getCluster().getClusterControl().stopAllServers(ServerType.TABLET_SERVER);
+      UtilWaitThread.sleep(3 * 1000);
+    } finally {
+      getCluster().getClusterControl().startAllServers(ServerType.TABLET_SERVER);
+    }
+    assertEquals(0, count(tableName, conn));
+  }
+
+  private int countLogs(String tableName, Connector conn) throws TableNotFoundException {
+    Scanner scanner = conn.createScanner(MetadataTable.NAME, Authorizations.EMPTY);
+    scanner.fetchColumnFamily(MetadataSchema.TabletsSection.LogColumnFamily.NAME);
+    scanner.setRange(MetadataSchema.TabletsSection.getRange());
+    int count = 0;
+    for (Entry<Key,Value> entry : scanner) {
+      log.debug("Saw " + entry.getKey() + "=" + entry.getValue());
+      count++;
+    }
+    return count;
+  }
+
+  int count(String tableName, Connector conn) throws Exception {
+    Scanner s = conn.createScanner(tableName, Authorizations.EMPTY);
+    return Iterators.size(s.iterator());
+  }
+
+}

http://git-wip-us.apache.org/repos/asf/accumulo/blob/01ae5b85/test/src/main/java/org/apache/accumulo/test/ConditionalWriterIT.java
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diff --git a/test/src/main/java/org/apache/accumulo/test/ConditionalWriterIT.java b/test/src/main/java/org/apache/accumulo/test/ConditionalWriterIT.java
new file mode 100644
index 0000000..74d3593
--- /dev/null
+++ b/test/src/main/java/org/apache/accumulo/test/ConditionalWriterIT.java
@@ -0,0 +1,1349 @@
+/*
+ * 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.accumulo.test;
+
+import static org.junit.Assert.assertTrue;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Random;
+import java.util.Set;
+import java.util.SortedSet;
+import java.util.TreeSet;
+import java.util.UUID;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.apache.accumulo.cluster.AccumuloCluster;
+import org.apache.accumulo.cluster.ClusterUser;
+import org.apache.accumulo.core.client.AccumuloException;
+import org.apache.accumulo.core.client.AccumuloSecurityException;
+import org.apache.accumulo.core.client.BatchWriter;
+import org.apache.accumulo.core.client.BatchWriterConfig;
+import org.apache.accumulo.core.client.ClientConfiguration;
+import org.apache.accumulo.core.client.ClientConfiguration.ClientProperty;
+import org.apache.accumulo.core.client.ConditionalWriter;
+import org.apache.accumulo.core.client.ConditionalWriter.Result;
+import org.apache.accumulo.core.client.ConditionalWriter.Status;
+import org.apache.accumulo.core.client.ConditionalWriterConfig;
+import org.apache.accumulo.core.client.Connector;
+import org.apache.accumulo.core.client.IsolatedScanner;
+import org.apache.accumulo.core.client.IteratorSetting;
+import org.apache.accumulo.core.client.RowIterator;
+import org.apache.accumulo.core.client.Scanner;
+import org.apache.accumulo.core.client.TableDeletedException;
+import org.apache.accumulo.core.client.TableExistsException;
+import org.apache.accumulo.core.client.TableNotFoundException;
+import org.apache.accumulo.core.client.TableOfflineException;
+import org.apache.accumulo.core.client.admin.NewTableConfiguration;
+import org.apache.accumulo.core.client.security.tokens.PasswordToken;
+import org.apache.accumulo.core.data.ArrayByteSequence;
+import org.apache.accumulo.core.data.ByteSequence;
+import org.apache.accumulo.core.data.Condition;
+import org.apache.accumulo.core.data.ConditionalMutation;
+import org.apache.accumulo.core.data.Key;
+import org.apache.accumulo.core.data.Mutation;
+import org.apache.accumulo.core.data.Range;
+import org.apache.accumulo.core.data.Value;
+import org.apache.accumulo.core.iterators.LongCombiner.Type;
+import org.apache.accumulo.core.iterators.user.SummingCombiner;
+import org.apache.accumulo.core.iterators.user.VersioningIterator;
+import org.apache.accumulo.core.security.Authorizations;
+import org.apache.accumulo.core.security.ColumnVisibility;
+import org.apache.accumulo.core.security.SystemPermission;
+import org.apache.accumulo.core.security.TablePermission;
+import org.apache.accumulo.core.trace.DistributedTrace;
+import org.apache.accumulo.core.trace.Span;
+import org.apache.accumulo.core.trace.Trace;
+import org.apache.accumulo.core.util.FastFormat;
+import org.apache.accumulo.core.util.UtilWaitThread;
+import org.apache.accumulo.examples.simple.constraints.AlphaNumKeyConstraint;
+import org.apache.accumulo.harness.AccumuloClusterHarness;
+import org.apache.accumulo.minicluster.impl.MiniAccumuloClusterImpl;
+import org.apache.accumulo.test.functional.BadIterator;
+import org.apache.accumulo.test.functional.SlowIterator;
+import org.apache.accumulo.tracer.TraceDump;
+import org.apache.accumulo.tracer.TraceDump.Printer;
+import org.apache.accumulo.tracer.TraceServer;
+import org.apache.hadoop.io.Text;
+import org.junit.Assert;
+import org.junit.Assume;
+import org.junit.Before;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.collect.Iterables;
+
+/**
+ *
+ */
+public class ConditionalWriterIT extends AccumuloClusterHarness {
+  private static final Logger log = LoggerFactory.getLogger(ConditionalWriterIT.class);
+
+  @Override
+  protected int defaultTimeoutSeconds() {
+    return 60;
+  }
+
+  public static long abs(long l) {
+    l = Math.abs(l); // abs(Long.MIN_VALUE) == Long.MIN_VALUE...
+    if (l < 0)
+      return 0;
+    return l;
+  }
+
+  @Before
+  public void deleteUsers() throws Exception {
+    Connector conn = getConnector();
+    Set<String> users = conn.securityOperations().listLocalUsers();
+    ClusterUser user = getUser(0);
+    if (users.contains(user.getPrincipal())) {
+      conn.securityOperations().dropLocalUser(user.getPrincipal());
+    }
+  }
+
+  @Test
+  public void testBasic() throws Exception {
+
+    Connector conn = getConnector();
+    String tableName = getUniqueNames(1)[0];
+
+    conn.tableOperations().create(tableName);
+
+    ConditionalWriter cw = conn.createConditionalWriter(tableName, new ConditionalWriterConfig());
+
+    // mutation conditional on column tx:seq not existing
+    ConditionalMutation cm0 = new ConditionalMutation("99006", new Condition("tx", "seq"));
+    cm0.put("name", "last", "doe");
+    cm0.put("name", "first", "john");
+    cm0.put("tx", "seq", "1");
+    Assert.assertEquals(Status.ACCEPTED, cw.write(cm0).getStatus());
+    Assert.assertEquals(Status.REJECTED, cw.write(cm0).getStatus());
+
+    // mutation conditional on column tx:seq being 1
+    ConditionalMutation cm1 = new ConditionalMutation("99006", new Condition("tx", "seq").setValue("1"));
+    cm1.put("name", "last", "Doe");
+    cm1.put("tx", "seq", "2");
+    Assert.assertEquals(Status.ACCEPTED, cw.write(cm1).getStatus());
+
+    // test condition where value differs
+    ConditionalMutation cm2 = new ConditionalMutation("99006", new Condition("tx", "seq").setValue("1"));
+    cm2.put("name", "last", "DOE");
+    cm2.put("tx", "seq", "2");
+    Assert.assertEquals(Status.REJECTED, cw.write(cm2).getStatus());
+
+    // test condition where column does not exists
+    ConditionalMutation cm3 = new ConditionalMutation("99006", new Condition("txtypo", "seq").setValue("1"));
+    cm3.put("name", "last", "deo");
+    cm3.put("tx", "seq", "2");
+    Assert.assertEquals(Status.REJECTED, cw.write(cm3).getStatus());
+
+    // test two conditions, where one should fail
+    ConditionalMutation cm4 = new ConditionalMutation("99006", new Condition("tx", "seq").setValue("2"), new Condition("name", "last").setValue("doe"));
+    cm4.put("name", "last", "deo");
+    cm4.put("tx", "seq", "3");
+    Assert.assertEquals(Status.REJECTED, cw.write(cm4).getStatus());
+
+    // test two conditions, where one should fail
+    ConditionalMutation cm5 = new ConditionalMutation("99006", new Condition("tx", "seq").setValue("1"), new Condition("name", "last").setValue("Doe"));
+    cm5.put("name", "last", "deo");
+    cm5.put("tx", "seq", "3");
+    Assert.assertEquals(Status.REJECTED, cw.write(cm5).getStatus());
+
+    // ensure rejected mutations did not write
+    Scanner scanner = conn.createScanner(tableName, Authorizations.EMPTY);
+    scanner.fetchColumn(new Text("name"), new Text("last"));
+    scanner.setRange(new Range("99006"));
+    Entry<Key,Value> entry = Iterables.getOnlyElement(scanner);
+    Assert.assertEquals("Doe", entry.getValue().toString());
+
+    // test w/ two conditions that are met
+    ConditionalMutation cm6 = new ConditionalMutation("99006", new Condition("tx", "seq").setValue("2"), new Condition("name", "last").setValue("Doe"));
+    cm6.put("name", "last", "DOE");
+    cm6.put("tx", "seq", "3");
+    Assert.assertEquals(Status.ACCEPTED, cw.write(cm6).getStatus());
+
+    entry = Iterables.getOnlyElement(scanner);
+    Assert.assertEquals("DOE", entry.getValue().toString());
+
+    // test a conditional mutation that deletes
+    ConditionalMutation cm7 = new ConditionalMutation("99006", new Condition("tx", "seq").setValue("3"));
+    cm7.putDelete("name", "last");
+    cm7.putDelete("name", "first");
+    cm7.putDelete("tx", "seq");
+    Assert.assertEquals(Status.ACCEPTED, cw.write(cm7).getStatus());
+
+    Assert.assertFalse("Did not expect to find any results", scanner.iterator().hasNext());
+
+    // add the row back
+    Assert.assertEquals(Status.ACCEPTED, cw.write(cm0).getStatus());
+    Assert.assertEquals(Status.REJECTED, cw.write(cm0).getStatus());
+
+    entry = Iterables.getOnlyElement(scanner);
+    Assert.assertEquals("doe", entry.getValue().toString());
+  }
+
+  @Test
+  public void testFields() throws Exception {
+
+    Connector conn = getConnector();
+    String tableName = getUniqueNames(1)[0];
+
+    String user = null;
+    ClientConfiguration clientConf = cluster.getClientConfig();
+    final boolean saslEnabled = clientConf.getBoolean(ClientProperty.INSTANCE_RPC_SASL_ENABLED.getKey(), false);
+
+    ClusterUser user1 = getUser(0);
+    user = user1.getPrincipal();
+    if (saslEnabled) {
+      // The token is pointless for kerberos
+      conn.securityOperations().createLocalUser(user, null);
+    } else {
+      conn.securityOperations().createLocalUser(user, new PasswordToken(user1.getPassword()));
+    }
+
+    Authorizations auths = new Authorizations("A", "B");
+
+    conn.securityOperations().changeUserAuthorizations(user, auths);
+    conn.securityOperations().grantSystemPermission(user, SystemPermission.CREATE_TABLE);
+
+    conn = conn.getInstance().getConnector(user, user1.getToken());
+
+    conn.tableOperations().create(tableName);
+
+    ConditionalWriter cw = conn.createConditionalWriter(tableName, new ConditionalWriterConfig().setAuthorizations(auths));
+
+    ColumnVisibility cva = new ColumnVisibility("A");
+    ColumnVisibility cvb = new ColumnVisibility("B");
+
+    ConditionalMutation cm0 = new ConditionalMutation("99006", new Condition("tx", "seq").setVisibility(cva));
+    cm0.put("name", "last", cva, "doe");
+    cm0.put("name", "first", cva, "john");
+    cm0.put("tx", "seq", cva, "1");
+    Assert.assertEquals(Status.ACCEPTED, cw.write(cm0).getStatus());
+
+    Scanner scanner = conn.createScanner(tableName, auths);
+    scanner.setRange(new Range("99006"));
+    // TODO verify all columns
+    scanner.fetchColumn(new Text("tx"), new Text("seq"));
+    Entry<Key,Value> entry = Iterables.getOnlyElement(scanner);
+    Assert.assertEquals("1", entry.getValue().toString());
+    long ts = entry.getKey().getTimestamp();
+
+    // test wrong colf
+    ConditionalMutation cm1 = new ConditionalMutation("99006", new Condition("txA", "seq").setVisibility(cva).setValue("1"));
+    cm1.put("name", "last", cva, "Doe");
+    cm1.put("name", "first", cva, "John");
+    cm1.put("tx", "seq", cva, "2");
+    Assert.assertEquals(Status.REJECTED, cw.write(cm1).getStatus());
+
+    // test wrong colq
+    ConditionalMutation cm2 = new ConditionalMutation("99006", new Condition("tx", "seqA").setVisibility(cva).setValue("1"));
+    cm2.put("name", "last", cva, "Doe");
+    cm2.put("name", "first", cva, "John");
+    cm2.put("tx", "seq", cva, "2");
+    Assert.assertEquals(Status.REJECTED, cw.write(cm2).getStatus());
+
+    // test wrong colv
+    ConditionalMutation cm3 = new ConditionalMutation("99006", new Condition("tx", "seq").setVisibility(cvb).setValue("1"));
+    cm3.put("name", "last", cva, "Doe");
+    cm3.put("name", "first", cva, "John");
+    cm3.put("tx", "seq", cva, "2");
+    Assert.assertEquals(Status.REJECTED, cw.write(cm3).getStatus());
+
+    // test wrong timestamp
+    ConditionalMutation cm4 = new ConditionalMutation("99006", new Condition("tx", "seq").setVisibility(cva).setTimestamp(ts + 1).setValue("1"));
+    cm4.put("name", "last", cva, "Doe");
+    cm4.put("name", "first", cva, "John");
+    cm4.put("tx", "seq", cva, "2");
+    Assert.assertEquals(Status.REJECTED, cw.write(cm4).getStatus());
+
+    // test wrong timestamp
+    ConditionalMutation cm5 = new ConditionalMutation("99006", new Condition("tx", "seq").setVisibility(cva).setTimestamp(ts - 1).setValue("1"));
+    cm5.put("name", "last", cva, "Doe");
+    cm5.put("name", "first", cva, "John");
+    cm5.put("tx", "seq", cva, "2");
+    Assert.assertEquals(Status.REJECTED, cw.write(cm5).getStatus());
+
+    // ensure no updates were made
+    entry = Iterables.getOnlyElement(scanner);
+    Assert.assertEquals("1", entry.getValue().toString());
+
+    // set all columns correctly
+    ConditionalMutation cm6 = new ConditionalMutation("99006", new Condition("tx", "seq").setVisibility(cva).setTimestamp(ts).setValue("1"));
+    cm6.put("name", "last", cva, "Doe");
+    cm6.put("name", "first", cva, "John");
+    cm6.put("tx", "seq", cva, "2");
+    Assert.assertEquals(Status.ACCEPTED, cw.write(cm6).getStatus());
+
+    entry = Iterables.getOnlyElement(scanner);
+    Assert.assertEquals("2", entry.getValue().toString());
+
+  }
+
+  @Test
+  public void testBadColVis() throws Exception {
+    // test when a user sets a col vis in a condition that can never be seen
+
+    Connector conn = getConnector();
+    String tableName = getUniqueNames(1)[0];
+
+    conn.tableOperations().create(tableName);
+
+    Authorizations auths = new Authorizations("A", "B");
+
+    conn.securityOperations().changeUserAuthorizations(getAdminPrincipal(), auths);
+
+    Authorizations filteredAuths = new Authorizations("A");
+
+    ConditionalWriter cw = conn.createConditionalWriter(tableName, new ConditionalWriterConfig().setAuthorizations(filteredAuths));
+
+    ColumnVisibility cva = new ColumnVisibility("A");
+    ColumnVisibility cvb = new ColumnVisibility("B");
+    ColumnVisibility cvc = new ColumnVisibility("C");
+
+    // User has authorization, but didn't include it in the writer
+    ConditionalMutation cm0 = new ConditionalMutation("99006", new Condition("tx", "seq").setVisibility(cvb));
+    cm0.put("name", "last", cva, "doe");
+    cm0.put("name", "first", cva, "john");
+    cm0.put("tx", "seq", cva, "1");
+    Assert.assertEquals(Status.INVISIBLE_VISIBILITY, cw.write(cm0).getStatus());
+
+    ConditionalMutation cm1 = new ConditionalMutation("99006", new Condition("tx", "seq").setVisibility(cvb).setValue("1"));
+    cm1.put("name", "last", cva, "doe");
+    cm1.put("name", "first", cva, "john");
+    cm1.put("tx", "seq", cva, "1");
+    Assert.assertEquals(Status.INVISIBLE_VISIBILITY, cw.write(cm1).getStatus());
+
+    // User does not have the authorization
+    ConditionalMutation cm2 = new ConditionalMutation("99006", new Condition("tx", "seq").setVisibility(cvc));
+    cm2.put("name", "last", cva, "doe");
+    cm2.put("name", "first", cva, "john");
+    cm2.put("tx", "seq", cva, "1");
+    Assert.assertEquals(Status.INVISIBLE_VISIBILITY, cw.write(cm2).getStatus());
+
+    ConditionalMutation cm3 = new ConditionalMutation("99006", new Condition("tx", "seq").setVisibility(cvc).setValue("1"));
+    cm3.put("name", "last", cva, "doe");
+    cm3.put("name", "first", cva, "john");
+    cm3.put("tx", "seq", cva, "1");
+    Assert.assertEquals(Status.INVISIBLE_VISIBILITY, cw.write(cm3).getStatus());
+
+    // if any visibility is bad, good visibilities don't override
+    ConditionalMutation cm4 = new ConditionalMutation("99006", new Condition("tx", "seq").setVisibility(cvb), new Condition("tx", "seq").setVisibility(cva));
+
+    cm4.put("name", "last", cva, "doe");
+    cm4.put("name", "first", cva, "john");
+    cm4.put("tx", "seq", cva, "1");
+    Assert.assertEquals(Status.INVISIBLE_VISIBILITY, cw.write(cm4).getStatus());
+
+    ConditionalMutation cm5 = new ConditionalMutation("99006", new Condition("tx", "seq").setVisibility(cvb).setValue("1"), new Condition("tx", "seq")
+        .setVisibility(cva).setValue("1"));
+    cm5.put("name", "last", cva, "doe");
+    cm5.put("name", "first", cva, "john");
+    cm5.put("tx", "seq", cva, "1");
+    Assert.assertEquals(Status.INVISIBLE_VISIBILITY, cw.write(cm5).getStatus());
+
+    ConditionalMutation cm6 = new ConditionalMutation("99006", new Condition("tx", "seq").setVisibility(cvb).setValue("1"),
+        new Condition("tx", "seq").setVisibility(cva));
+    cm6.put("name", "last", cva, "doe");
+    cm6.put("name", "first", cva, "john");
+    cm6.put("tx", "seq", cva, "1");
+    Assert.assertEquals(Status.INVISIBLE_VISIBILITY, cw.write(cm6).getStatus());
+
+    ConditionalMutation cm7 = new ConditionalMutation("99006", new Condition("tx", "seq").setVisibility(cvb), new Condition("tx", "seq").setVisibility(cva)
+        .setValue("1"));
+    cm7.put("name", "last", cva, "doe");
+    cm7.put("name", "first", cva, "john");
+    cm7.put("tx", "seq", cva, "1");
+    Assert.assertEquals(Status.INVISIBLE_VISIBILITY, cw.write(cm7).getStatus());
+
+    cw.close();
+
+    // test passing auths that exceed users configured auths
+
+    Authorizations exceedingAuths = new Authorizations("A", "B", "D");
+    ConditionalWriter cw2 = conn.createConditionalWriter(tableName, new ConditionalWriterConfig().setAuthorizations(exceedingAuths));
+
+    ConditionalMutation cm8 = new ConditionalMutation("99006", new Condition("tx", "seq").setVisibility(cvb), new Condition("tx", "seq").setVisibility(cva)
+        .setValue("1"));
+    cm8.put("name", "last", cva, "doe");
+    cm8.put("name", "first", cva, "john");
+    cm8.put("tx", "seq", cva, "1");
+
+    try {
+      Status status = cw2.write(cm8).getStatus();
+      Assert.fail("Writing mutation with Authorizations the user doesn't have should fail. Got status: " + status);
+    } catch (AccumuloSecurityException ase) {
+      // expected, check specific failure?
+    } finally {
+      cw2.close();
+    }
+  }
+
+  @Test
+  public void testConstraints() throws Exception {
+    // ensure constraint violations are properly reported
+
+    Connector conn = getConnector();
+    String tableName = getUniqueNames(1)[0];
+
+    conn.tableOperations().create(tableName);
+    conn.tableOperations().addConstraint(tableName, AlphaNumKeyConstraint.class.getName());
+    conn.tableOperations().clone(tableName, tableName + "_clone", true, new HashMap<String,String>(), new HashSet<String>());
+
+    Scanner scanner = conn.createScanner(tableName + "_clone", new Authorizations());
+
+    ConditionalWriter cw = conn.createConditionalWriter(tableName + "_clone", new ConditionalWriterConfig());
+
+    ConditionalMutation cm0 = new ConditionalMutation("99006+", new Condition("tx", "seq"));
+    cm0.put("tx", "seq", "1");
+
+    Assert.assertEquals(Status.VIOLATED, cw.write(cm0).getStatus());
+    Assert.assertFalse("Should find no results in the table is mutation result was violated", scanner.iterator().hasNext());
+
+    ConditionalMutation cm1 = new ConditionalMutation("99006", new Condition("tx", "seq"));
+    cm1.put("tx", "seq", "1");
+
+    Assert.assertEquals(Status.ACCEPTED, cw.write(cm1).getStatus());
+    Assert.assertTrue("Accepted result should be returned when reading table", scanner.iterator().hasNext());
+
+    cw.close();
+  }
+
+  @Test
+  public void testIterators() throws Exception {
+
+    Connector conn = getConnector();
+    String tableName = getUniqueNames(1)[0];
+
+    conn.tableOperations().create(tableName, new NewTableConfiguration().withoutDefaultIterators());
+
+    BatchWriter bw = conn.createBatchWriter(tableName, new BatchWriterConfig());
+
+    Mutation m = new Mutation("ACCUMULO-1000");
+    m.put("count", "comments", "1");
+    bw.addMutation(m);
+    bw.addMutation(m);
+    bw.addMutation(m);
+
+    m = new Mutation("ACCUMULO-1001");
+    m.put("count2", "comments", "1");
+    bw.addMutation(m);
+    bw.addMutation(m);
+
+    m = new Mutation("ACCUMULO-1002");
+    m.put("count2", "comments", "1");
+    bw.addMutation(m);
+    bw.addMutation(m);
+
+    bw.close();
+
+    IteratorSetting iterConfig = new IteratorSetting(10, SummingCombiner.class);
+    SummingCombiner.setEncodingType(iterConfig, Type.STRING);
+    SummingCombiner.setColumns(iterConfig, Collections.singletonList(new IteratorSetting.Column("count")));
+
+    IteratorSetting iterConfig2 = new IteratorSetting(10, SummingCombiner.class);
+    SummingCombiner.setEncodingType(iterConfig2, Type.STRING);
+    SummingCombiner.setColumns(iterConfig2, Collections.singletonList(new IteratorSetting.Column("count2", "comments")));
+
+    IteratorSetting iterConfig3 = new IteratorSetting(5, VersioningIterator.class);
+    VersioningIterator.setMaxVersions(iterConfig3, 1);
+
+    Scanner scanner = conn.createScanner(tableName, new Authorizations());
+    scanner.addScanIterator(iterConfig);
+    scanner.setRange(new Range("ACCUMULO-1000"));
+    scanner.fetchColumn(new Text("count"), new Text("comments"));
+
+    Entry<Key,Value> entry = Iterables.getOnlyElement(scanner);
+    Assert.assertEquals("3", entry.getValue().toString());
+
+    ConditionalWriter cw = conn.createConditionalWriter(tableName, new ConditionalWriterConfig());
+
+    ConditionalMutation cm0 = new ConditionalMutation("ACCUMULO-1000", new Condition("count", "comments").setValue("3"));
+    cm0.put("count", "comments", "1");
+    Assert.assertEquals(Status.REJECTED, cw.write(cm0).getStatus());
+    entry = Iterables.getOnlyElement(scanner);
+    Assert.assertEquals("3", entry.getValue().toString());
+
+    ConditionalMutation cm1 = new ConditionalMutation("ACCUMULO-1000", new Condition("count", "comments").setIterators(iterConfig).setValue("3"));
+    cm1.put("count", "comments", "1");
+    Assert.assertEquals(Status.ACCEPTED, cw.write(cm1).getStatus());
+    entry = Iterables.getOnlyElement(scanner);
+    Assert.assertEquals("4", entry.getValue().toString());
+
+    ConditionalMutation cm2 = new ConditionalMutation("ACCUMULO-1000", new Condition("count", "comments").setValue("4"));
+    cm2.put("count", "comments", "1");
+    Assert.assertEquals(Status.REJECTED, cw.write(cm1).getStatus());
+    entry = Iterables.getOnlyElement(scanner);
+    Assert.assertEquals("4", entry.getValue().toString());
+
+    // run test with multiple iterators passed in same batch and condition with two iterators
+
+    ConditionalMutation cm3 = new ConditionalMutation("ACCUMULO-1000", new Condition("count", "comments").setIterators(iterConfig).setValue("4"));
+    cm3.put("count", "comments", "1");
+
+    ConditionalMutation cm4 = new ConditionalMutation("ACCUMULO-1001", new Condition("count2", "comments").setIterators(iterConfig2).setValue("2"));
+    cm4.put("count2", "comments", "1");
+
+    ConditionalMutation cm5 = new ConditionalMutation("ACCUMULO-1002", new Condition("count2", "comments").setIterators(iterConfig2, iterConfig3).setValue("2"));
+    cm5.put("count2", "comments", "1");
+
+    Iterator<Result> results = cw.write(Arrays.asList(cm3, cm4, cm5).iterator());
+    Map<String,Status> actual = new HashMap<String,Status>();
+
+    while (results.hasNext()) {
+      Result result = results.next();
+      String k = new String(result.getMutation().getRow());
+      Assert.assertFalse("Did not expect to see multiple resultus for the row: " + k, actual.containsKey(k));
+      actual.put(k, result.getStatus());
+    }
+
+    Map<String,Status> expected = new HashMap<String,Status>();
+    expected.put("ACCUMULO-1000", Status.ACCEPTED);
+    expected.put("ACCUMULO-1001", Status.ACCEPTED);
+    expected.put("ACCUMULO-1002", Status.REJECTED);
+
+    Assert.assertEquals(expected, actual);
+
+    // TODO test w/ table that has iterators configured
+
+    cw.close();
+  }
+
+  @Test
+  public void testBatch() throws Exception {
+
+    Connector conn = getConnector();
+    String tableName = getUniqueNames(1)[0];
+
+    conn.tableOperations().create(tableName);
+
+    conn.securityOperations().changeUserAuthorizations(getAdminPrincipal(), new Authorizations("A", "B"));
+
+    ColumnVisibility cvab = new ColumnVisibility("A|B");
+
+    ArrayList<ConditionalMutation> mutations = new ArrayList<ConditionalMutation>();
+
+    ConditionalMutation cm0 = new ConditionalMutation("99006", new Condition("tx", "seq").setVisibility(cvab));
+    cm0.put("name", "last", cvab, "doe");
+    cm0.put("name", "first", cvab, "john");
+    cm0.put("tx", "seq", cvab, "1");
+    mutations.add(cm0);
+
+    ConditionalMutation cm1 = new ConditionalMutation("59056", new Condition("tx", "seq").setVisibility(cvab));
+    cm1.put("name", "last", cvab, "doe");
+    cm1.put("name", "first", cvab, "jane");
+    cm1.put("tx", "seq", cvab, "1");
+    mutations.add(cm1);
+
+    ConditionalMutation cm2 = new ConditionalMutation("19059", new Condition("tx", "seq").setVisibility(cvab));
+    cm2.put("name", "last", cvab, "doe");
+    cm2.put("name", "first", cvab, "jack");
+    cm2.put("tx", "seq", cvab, "1");
+    mutations.add(cm2);
+
+    ConditionalWriter cw = conn.createConditionalWriter(tableName, new ConditionalWriterConfig().setAuthorizations(new Authorizations("A")));
+    Iterator<Result> results = cw.write(mutations.iterator());
+    int count = 0;
+    while (results.hasNext()) {
+      Result result = results.next();
+      Assert.assertEquals(Status.ACCEPTED, result.getStatus());
+      count++;
+    }
+
+    Assert.assertEquals(3, count);
+
+    Scanner scanner = conn.createScanner(tableName, new Authorizations("A"));
+    scanner.fetchColumn(new Text("tx"), new Text("seq"));
+
+    for (String row : new String[] {"99006", "59056", "19059"}) {
+      scanner.setRange(new Range(row));
+      Entry<Key,Value> entry = Iterables.getOnlyElement(scanner);
+      Assert.assertEquals("1", entry.getValue().toString());
+    }
+
+    TreeSet<Text> splits = new TreeSet<Text>();
+    splits.add(new Text("7"));
+    splits.add(new Text("3"));
+    conn.tableOperations().addSplits(tableName, splits);
+
+    mutations.clear();
+
+    ConditionalMutation cm3 = new ConditionalMutation("99006", new Condition("tx", "seq").setVisibility(cvab).setValue("1"));
+    cm3.put("name", "last", cvab, "Doe");
+    cm3.put("tx", "seq", cvab, "2");
+    mutations.add(cm3);
+
+    ConditionalMutation cm4 = new ConditionalMutation("59056", new Condition("tx", "seq").setVisibility(cvab));
+    cm4.put("name", "last", cvab, "Doe");
+    cm4.put("tx", "seq", cvab, "1");
+    mutations.add(cm4);
+
+    ConditionalMutation cm5 = new ConditionalMutation("19059", new Condition("tx", "seq").setVisibility(cvab).setValue("2"));
+    cm5.put("name", "last", cvab, "Doe");
+    cm5.put("tx", "seq", cvab, "3");
+    mutations.add(cm5);
+
+    results = cw.write(mutations.iterator());
+    int accepted = 0;
+    int rejected = 0;
+    while (results.hasNext()) {
+      Result result = results.next();
+      if (new String(result.getMutation().getRow()).equals("99006")) {
+        Assert.assertEquals(Status.ACCEPTED, result.getStatus());
+        accepted++;
+      } else {
+        Assert.assertEquals(Status.REJECTED, result.getStatus());
+        rejected++;
+      }
+    }
+
+    Assert.assertEquals("Expected only one accepted conditional mutation", 1, accepted);
+    Assert.assertEquals("Expected two rejected conditional mutations", 2, rejected);
+
+    for (String row : new String[] {"59056", "19059"}) {
+      scanner.setRange(new Range(row));
+      Entry<Key,Value> entry = Iterables.getOnlyElement(scanner);
+      Assert.assertEquals("1", entry.getValue().toString());
+    }
+
+    scanner.setRange(new Range("99006"));
+    Entry<Key,Value> entry = Iterables.getOnlyElement(scanner);
+    Assert.assertEquals("2", entry.getValue().toString());
+
+    scanner.clearColumns();
+    scanner.fetchColumn(new Text("name"), new Text("last"));
+    entry = Iterables.getOnlyElement(scanner);
+    Assert.assertEquals("Doe", entry.getValue().toString());
+
+    cw.close();
+  }
+
+  @Test
+  public void testBigBatch() throws Exception {
+
+    Connector conn = getConnector();
+    String tableName = getUniqueNames(1)[0];
+
+    conn.tableOperations().create(tableName);
+    conn.tableOperations().addSplits(tableName, nss("2", "4", "6"));
+
+    UtilWaitThread.sleep(2000);
+
+    int num = 100;
+
+    ArrayList<byte[]> rows = new ArrayList<byte[]>(num);
+    ArrayList<ConditionalMutation> cml = new ArrayList<ConditionalMutation>(num);
+
+    Random r = new Random();
+    byte[] e = new byte[0];
+
+    for (int i = 0; i < num; i++) {
+      rows.add(FastFormat.toZeroPaddedString(abs(r.nextLong()), 16, 16, e));
+    }
+
+    for (int i = 0; i < num; i++) {
+      ConditionalMutation cm = new ConditionalMutation(rows.get(i), new Condition("meta", "seq"));
+
+      cm.put("meta", "seq", "1");
+      cm.put("meta", "tx", UUID.randomUUID().toString());
+
+      cml.add(cm);
+    }
+
+    ConditionalWriter cw = conn.createConditionalWriter(tableName, new ConditionalWriterConfig());
+
+    Iterator<Result> results = cw.write(cml.iterator());
+
+    int count = 0;
+
+    // TODO check got each row back
+    while (results.hasNext()) {
+      Result result = results.next();
+      Assert.assertEquals(Status.ACCEPTED, result.getStatus());
+      count++;
+    }
+
+    Assert.assertEquals("Did not receive the expected number of results", num, count);
+
+    ArrayList<ConditionalMutation> cml2 = new ArrayList<ConditionalMutation>(num);
+
+    for (int i = 0; i < num; i++) {
+      ConditionalMutation cm = new ConditionalMutation(rows.get(i), new Condition("meta", "seq").setValue("1"));
+
+      cm.put("meta", "seq", "2");
+      cm.put("meta", "tx", UUID.randomUUID().toString());
+
+      cml2.add(cm);
+    }
+
+    count = 0;
+
+    results = cw.write(cml2.iterator());
+
+    while (results.hasNext()) {
+      Result result = results.next();
+      Assert.assertEquals(Status.ACCEPTED, result.getStatus());
+      count++;
+    }
+
+    Assert.assertEquals("Did not receive the expected number of results", num, count);
+
+    cw.close();
+  }
+
+  @Test
+  public void testBatchErrors() throws Exception {
+
+    Connector conn = getConnector();
+    String tableName = getUniqueNames(1)[0];
+
+    conn.tableOperations().create(tableName);
+    conn.tableOperations().addConstraint(tableName, AlphaNumKeyConstraint.class.getName());
+    conn.tableOperations().clone(tableName, tableName + "_clone", true, new HashMap<String,String>(), new HashSet<String>());
+
+    conn.securityOperations().changeUserAuthorizations(getAdminPrincipal(), new Authorizations("A", "B"));
+
+    ColumnVisibility cvaob = new ColumnVisibility("A|B");
+    ColumnVisibility cvaab = new ColumnVisibility("A&B");
+
+    switch ((new Random()).nextInt(3)) {
+      case 1:
+        conn.tableOperations().addSplits(tableName, nss("6"));
+        break;
+      case 2:
+        conn.tableOperations().addSplits(tableName, nss("2", "95"));
+        break;
+    }
+
+    ArrayList<ConditionalMutation> mutations = new ArrayList<ConditionalMutation>();
+
+    ConditionalMutation cm0 = new ConditionalMutation("99006", new Condition("tx", "seq").setVisibility(cvaob));
+    cm0.put("name+", "last", cvaob, "doe");
+    cm0.put("name", "first", cvaob, "john");
+    cm0.put("tx", "seq", cvaob, "1");
+    mutations.add(cm0);
+
+    ConditionalMutation cm1 = new ConditionalMutation("59056", new Condition("tx", "seq").setVisibility(cvaab));
+    cm1.put("name", "last", cvaab, "doe");
+    cm1.put("name", "first", cvaab, "jane");
+    cm1.put("tx", "seq", cvaab, "1");
+    mutations.add(cm1);
+
+    ConditionalMutation cm2 = new ConditionalMutation("19059", new Condition("tx", "seq").setVisibility(cvaob));
+    cm2.put("name", "last", cvaob, "doe");
+    cm2.put("name", "first", cvaob, "jack");
+    cm2.put("tx", "seq", cvaob, "1");
+    mutations.add(cm2);
+
+    ConditionalMutation cm3 = new ConditionalMutation("90909", new Condition("tx", "seq").setVisibility(cvaob).setValue("1"));
+    cm3.put("name", "last", cvaob, "doe");
+    cm3.put("name", "first", cvaob, "john");
+    cm3.put("tx", "seq", cvaob, "2");
+    mutations.add(cm3);
+
+    ConditionalWriter cw = conn.createConditionalWriter(tableName, new ConditionalWriterConfig().setAuthorizations(new Authorizations("A")));
+    Iterator<Result> results = cw.write(mutations.iterator());
+    HashSet<String> rows = new HashSet<String>();
+    while (results.hasNext()) {
+      Result result = results.next();
+      String row = new String(result.getMutation().getRow());
+      if (row.equals("19059")) {
+        Assert.assertEquals(Status.ACCEPTED, result.getStatus());
+      } else if (row.equals("59056")) {
+        Assert.assertEquals(Status.INVISIBLE_VISIBILITY, result.getStatus());
+      } else if (row.equals("99006")) {
+        Assert.assertEquals(Status.VIOLATED, result.getStatus());
+      } else if (row.equals("90909")) {
+        Assert.assertEquals(Status.REJECTED, result.getStatus());
+      }
+      rows.add(row);
+    }
+
+    Assert.assertEquals(4, rows.size());
+
+    Scanner scanner = conn.createScanner(tableName, new Authorizations("A"));
+    scanner.fetchColumn(new Text("tx"), new Text("seq"));
+
+    Entry<Key,Value> entry = Iterables.getOnlyElement(scanner);
+    Assert.assertEquals("1", entry.getValue().toString());
+
+    cw.close();
+  }
+
+  @Test
+  public void testSameRow() throws Exception {
+    // test multiple mutations for same row in same batch
+
+    Connector conn = getConnector();
+    String tableName = getUniqueNames(1)[0];
+
+    conn.tableOperations().create(tableName);
+
+    ConditionalWriter cw = conn.createConditionalWriter(tableName, new ConditionalWriterConfig());
+
+    ConditionalMutation cm1 = new ConditionalMutation("r1", new Condition("tx", "seq"));
+    cm1.put("tx", "seq", "1");
+    cm1.put("data", "x", "a");
+
+    Assert.assertEquals(Status.ACCEPTED, cw.write(cm1).getStatus());
+
+    ConditionalMutation cm2 = new ConditionalMutation("r1", new Condition("tx", "seq").setValue("1"));
+    cm2.put("tx", "seq", "2");
+    cm2.put("data", "x", "b");
+
+    ConditionalMutation cm3 = new ConditionalMutation("r1", new Condition("tx", "seq").setValue("1"));
+    cm3.put("tx", "seq", "2");
+    cm3.put("data", "x", "c");
+
+    ConditionalMutation cm4 = new ConditionalMutation("r1", new Condition("tx", "seq").setValue("1"));
+    cm4.put("tx", "seq", "2");
+    cm4.put("data", "x", "d");
+
+    Iterator<Result> results = cw.write(Arrays.asList(cm2, cm3, cm4).iterator());
+
+    int accepted = 0;
+    int rejected = 0;
+    int total = 0;
+
+    while (results.hasNext()) {
+      Status status = results.next().getStatus();
+      if (status == Status.ACCEPTED)
+        accepted++;
+      if (status == Status.REJECTED)
+        rejected++;
+      total++;
+    }
+
+    Assert.assertEquals("Expected one accepted result", 1, accepted);
+    Assert.assertEquals("Expected two rejected results", 2, rejected);
+    Assert.assertEquals("Expected three total results", 3, total);
+
+    cw.close();
+  }
+
+  private static class Stats {
+
+    ByteSequence row = null;
+    int seq;
+    long sum;
+    int data[] = new int[10];
+
+    public Stats(Iterator<Entry<Key,Value>> iterator) {
+      while (iterator.hasNext()) {
+        Entry<Key,Value> entry = iterator.next();
+
+        if (row == null)
+          row = entry.getKey().getRowData();
+
+        String cf = entry.getKey().getColumnFamilyData().toString();
+        String cq = entry.getKey().getColumnQualifierData().toString();
+
+        if (cf.equals("data")) {
+          data[Integer.parseInt(cq)] = Integer.parseInt(entry.getValue().toString());
+        } else if (cf.equals("meta")) {
+          if (cq.equals("sum")) {
+            sum = Long.parseLong(entry.getValue().toString());
+          } else if (cq.equals("seq")) {
+            seq = Integer.parseInt(entry.getValue().toString());
+          }
+        }
+      }
+
+      long sum2 = 0;
+
+      for (int datum : data) {
+        sum2 += datum;
+      }
+
+      Assert.assertEquals(sum2, sum);
+    }
+
+    public Stats(ByteSequence row) {
+      this.row = row;
+      for (int i = 0; i < data.length; i++) {
+        this.data[i] = 0;
+      }
+      this.seq = -1;
+      this.sum = 0;
+    }
+
+    void set(int index, int value) {
+      sum -= data[index];
+      sum += value;
+      data[index] = value;
+    }
+
+    ConditionalMutation toMutation() {
+      Condition cond = new Condition("meta", "seq");
+      if (seq >= 0)
+        cond.setValue(seq + "");
+
+      ConditionalMutation cm = new ConditionalMutation(row, cond);
+
+      cm.put("meta", "seq", (seq + 1) + "");
+      cm.put("meta", "sum", (sum) + "");
+
+      for (int i = 0; i < data.length; i++) {
+        cm.put("data", i + "", data[i] + "");
+      }
+
+      return cm;
+    }
+
+    @Override
+    public String toString() {
+      return row + " " + seq + " " + sum;
+    }
+  }
+
+  private static class MutatorTask implements Runnable {
+    String table;
+    ArrayList<ByteSequence> rows;
+    ConditionalWriter cw;
+    Connector conn;
+    AtomicBoolean failed;
+
+    public MutatorTask(String table, Connector conn, ArrayList<ByteSequence> rows, ConditionalWriter cw, AtomicBoolean failed) {
+      this.table = table;
+      this.rows = rows;
+      this.conn = conn;
+      this.cw = cw;
+      this.failed = failed;
+    }
+
+    @Override
+    public void run() {
+      try {
+        Random rand = new Random();
+
+        Scanner scanner = new IsolatedScanner(conn.createScanner(table, Authorizations.EMPTY));
+
+        for (int i = 0; i < 20; i++) {
+          int numRows = rand.nextInt(10) + 1;
+
+          ArrayList<ByteSequence> changes = new ArrayList<ByteSequence>(numRows);
+          ArrayList<ConditionalMutation> mutations = new ArrayList<ConditionalMutation>();
+
+          for (int j = 0; j < numRows; j++)
+            changes.add(rows.get(rand.nextInt(rows.size())));
+
+          for (ByteSequence row : changes) {
+            scanner.setRange(new Range(row.toString()));
+            Stats stats = new Stats(scanner.iterator());
+            stats.set(rand.nextInt(10), rand.nextInt(Integer.MAX_VALUE));
+            mutations.add(stats.toMutation());
+          }
+
+          ArrayList<ByteSequence> changed = new ArrayList<ByteSequence>(numRows);
+          Iterator<Result> results = cw.write(mutations.iterator());
+          while (results.hasNext()) {
+            Result result = results.next();
+            changed.add(new ArrayByteSequence(result.getMutation().getRow()));
+          }
+
+          Collections.sort(changes);
+          Collections.sort(changed);
+
+          Assert.assertEquals(changes, changed);
+
+        }
+
+      } catch (Exception e) {
+        log.error("{}", e.getMessage(), e);
+        failed.set(true);
+      }
+    }
+  }
+
+  @Test
+  public void testThreads() throws Exception {
+    // test multiple threads using a single conditional writer
+
+    String table = getUniqueNames(1)[0];
+    Connector conn = getConnector();
+
+    conn.tableOperations().create(table);
+
+    Random rand = new Random();
+
+    switch (rand.nextInt(3)) {
+      case 1:
+        conn.tableOperations().addSplits(table, nss("4"));
+        break;
+      case 2:
+        conn.tableOperations().addSplits(table, nss("3", "5"));
+        break;
+    }
+
+    ConditionalWriter cw = conn.createConditionalWriter(table, new ConditionalWriterConfig());
+
+    ArrayList<ByteSequence> rows = new ArrayList<ByteSequence>();
+
+    for (int i = 0; i < 1000; i++) {
+      rows.add(new ArrayByteSequence(FastFormat.toZeroPaddedString(abs(rand.nextLong()), 16, 16, new byte[0])));
+    }
+
+    ArrayList<ConditionalMutation> mutations = new ArrayList<ConditionalMutation>();
+
+    for (ByteSequence row : rows)
+      mutations.add(new Stats(row).toMutation());
+
+    ArrayList<ByteSequence> rows2 = new ArrayList<ByteSequence>();
+    Iterator<Result> results = cw.write(mutations.iterator());
+    while (results.hasNext()) {
+      Result result = results.next();
+      Assert.assertEquals(Status.ACCEPTED, result.getStatus());
+      rows2.add(new ArrayByteSequence(result.getMutation().getRow()));
+    }
+
+    Collections.sort(rows);
+    Collections.sort(rows2);
+
+    Assert.assertEquals(rows, rows2);
+
+    AtomicBoolean failed = new AtomicBoolean(false);
+
+    ExecutorService tp = Executors.newFixedThreadPool(5);
+    for (int i = 0; i < 5; i++) {
+      tp.submit(new MutatorTask(table, conn, rows, cw, failed));
+    }
+
+    tp.shutdown();
+
+    while (!tp.isTerminated()) {
+      tp.awaitTermination(1, TimeUnit.MINUTES);
+    }
+
+    Assert.assertFalse("A MutatorTask failed with an exception", failed.get());
+
+    Scanner scanner = conn.createScanner(table, Authorizations.EMPTY);
+
+    RowIterator rowIter = new RowIterator(scanner);
+
+    while (rowIter.hasNext()) {
+      Iterator<Entry<Key,Value>> row = rowIter.next();
+      new Stats(row);
+    }
+  }
+
+  private SortedSet<Text> nss(String... splits) {
+    TreeSet<Text> ret = new TreeSet<Text>();
+    for (String split : splits)
+      ret.add(new Text(split));
+
+    return ret;
+  }
+
+  @Test
+  public void testSecurity() throws Exception {
+    // test against table user does not have read and/or write permissions for
+    Connector conn = getConnector();
+    String user = null;
+    ClientConfiguration clientConf = cluster.getClientConfig();
+    final boolean saslEnabled = clientConf.getBoolean(ClientProperty.INSTANCE_RPC_SASL_ENABLED.getKey(), false);
+
+    // Create a new user
+    ClusterUser user1 = getUser(0);
+    user = user1.getPrincipal();
+    if (saslEnabled) {
+      conn.securityOperations().createLocalUser(user, null);
+    } else {
+      conn.securityOperations().createLocalUser(user, new PasswordToken(user1.getPassword()));
+    }
+
+    String[] tables = getUniqueNames(3);
+    String table1 = tables[0], table2 = tables[1], table3 = tables[2];
+
+    // Create three tables
+    conn.tableOperations().create(table1);
+    conn.tableOperations().create(table2);
+    conn.tableOperations().create(table3);
+
+    // Grant R on table1, W on table2, R/W on table3
+    conn.securityOperations().grantTablePermission(user, table1, TablePermission.READ);
+    conn.securityOperations().grantTablePermission(user, table2, TablePermission.WRITE);
+    conn.securityOperations().grantTablePermission(user, table3, TablePermission.READ);
+    conn.securityOperations().grantTablePermission(user, table3, TablePermission.WRITE);
+
+    // Login as the user
+    Connector conn2 = conn.getInstance().getConnector(user, user1.getToken());
+
+    ConditionalMutation cm1 = new ConditionalMutation("r1", new Condition("tx", "seq"));
+    cm1.put("tx", "seq", "1");
+    cm1.put("data", "x", "a");
+
+    ConditionalWriter cw1 = conn2.createConditionalWriter(table1, new ConditionalWriterConfig());
+    ConditionalWriter cw2 = conn2.createConditionalWriter(table2, new ConditionalWriterConfig());
+    ConditionalWriter cw3 = conn2.createConditionalWriter(table3, new ConditionalWriterConfig());
+
+    // Should be able to conditional-update a table we have R/W on
+    Assert.assertEquals(Status.ACCEPTED, cw3.write(cm1).getStatus());
+
+    // Conditional-update to a table we only have read on should fail
+    try {
+      Status status = cw1.write(cm1).getStatus();
+      Assert.fail("Expected exception writing conditional mutation to table the user doesn't have write access to, Got status: " + status);
+    } catch (AccumuloSecurityException ase) {
+
+    }
+
+    // Conditional-update to a table we only have writer on should fail
+    try {
+      Status status = cw2.write(cm1).getStatus();
+      Assert.fail("Expected exception writing conditional mutation to table the user doesn't have read access to. Got status: " + status);
+    } catch (AccumuloSecurityException ase) {
+
+    }
+  }
+
+  @Test
+  public void testTimeout() throws Exception {
+    Connector conn = getConnector();
+
+    String table = getUniqueNames(1)[0];
+
+    conn.tableOperations().create(table);
+
+    ConditionalWriter cw = conn.createConditionalWriter(table, new ConditionalWriterConfig().setTimeout(3, TimeUnit.SECONDS));
+
+    ConditionalMutation cm1 = new ConditionalMutation("r1", new Condition("tx", "seq"));
+    cm1.put("tx", "seq", "1");
+    cm1.put("data", "x", "a");
+
+    Assert.assertEquals(cw.write(cm1).getStatus(), Status.ACCEPTED);
+
+    IteratorSetting is = new IteratorSetting(5, SlowIterator.class);
+    SlowIterator.setSeekSleepTime(is, 5000);
+
+    ConditionalMutation cm2 = new ConditionalMutation("r1", new Condition("tx", "seq").setValue("1").setIterators(is));
+    cm2.put("tx", "seq", "2");
+    cm2.put("data", "x", "b");
+
+    Assert.assertEquals(cw.write(cm2).getStatus(), Status.UNKNOWN);
+
+    Scanner scanner = conn.createScanner(table, Authorizations.EMPTY);
+
+    for (Entry<Key,Value> entry : scanner) {
+      String cf = entry.getKey().getColumnFamilyData().toString();
+      String cq = entry.getKey().getColumnQualifierData().toString();
+      String val = entry.getValue().toString();
+
+      if (cf.equals("tx") && cq.equals("seq"))
+        Assert.assertEquals("Unexpected value in tx:seq", "1", val);
+      else if (cf.equals("data") && cq.equals("x"))
+        Assert.assertEquals("Unexpected value in data:x", "a", val);
+      else
+        Assert.fail("Saw unexpected column family and qualifier: " + entry);
+    }
+
+    ConditionalMutation cm3 = new ConditionalMutation("r1", new Condition("tx", "seq").setValue("1"));
+    cm3.put("tx", "seq", "2");
+    cm3.put("data", "x", "b");
+
+    Assert.assertEquals(cw.write(cm3).getStatus(), Status.ACCEPTED);
+
+    cw.close();
+  }
+
+  @Test
+  public void testDeleteTable() throws Exception {
+    String table = getUniqueNames(1)[0];
+    Connector conn = getConnector();
+
+    try {
+      conn.createConditionalWriter(table, new ConditionalWriterConfig());
+      Assert.fail("Creating conditional writer for table that doesn't exist should fail");
+    } catch (TableNotFoundException e) {}
+
+    conn.tableOperations().create(table);
+
+    ConditionalWriter cw = conn.createConditionalWriter(table, new ConditionalWriterConfig());
+
+    conn.tableOperations().delete(table);
+
+    ConditionalMutation cm1 = new ConditionalMutation("r1", new Condition("tx", "seq"));
+    cm1.put("tx", "seq", "1");
+    cm1.put("data", "x", "a");
+
+    Result result = cw.write(cm1);
+
+    try {
+      Status status = result.getStatus();
+      Assert.fail("Expected exception writing conditional mutation to deleted table. Got status: " + status);
+    } catch (AccumuloException ae) {
+      Assert.assertEquals(TableDeletedException.class, ae.getCause().getClass());
+    }
+  }
+
+  @Test
+  public void testOffline() throws Exception {
+    String table = getUniqueNames(1)[0];
+    Connector conn = getConnector();
+
+    conn.tableOperations().create(table);
+
+    ConditionalWriter cw = conn.createConditionalWriter(table, new ConditionalWriterConfig());
+
+    conn.tableOperations().offline(table, true);
+
+    ConditionalMutation cm1 = new ConditionalMutation("r1", new Condition("tx", "seq"));
+    cm1.put("tx", "seq", "1");
+    cm1.put("data", "x", "a");
+
+    Result result = cw.write(cm1);
+
+    try {
+      Status status = result.getStatus();
+      Assert.fail("Expected exception writing conditional mutation to offline table. Got status: " + status);
+    } catch (AccumuloException ae) {
+      Assert.assertEquals(TableOfflineException.class, ae.getCause().getClass());
+    }
+
+    cw.close();
+
+    try {
+      conn.createConditionalWriter(table, new ConditionalWriterConfig());
+      Assert.fail("Expected exception creating conditional writer to offline table");
+    } catch (TableOfflineException e) {}
+  }
+
+  @Test
+  public void testError() throws Exception {
+    String table = getUniqueNames(1)[0];
+    Connector conn = getConnector();
+
+    conn.tableOperations().create(table);
+
+    ConditionalWriter cw = conn.createConditionalWriter(table, new ConditionalWriterConfig());
+
+    IteratorSetting iterSetting = new IteratorSetting(5, BadIterator.class);
+
+    ConditionalMutation cm1 = new ConditionalMutation("r1", new Condition("tx", "seq").setIterators(iterSetting));
+    cm1.put("tx", "seq", "1");
+    cm1.put("data", "x", "a");
+
+    Result result = cw.write(cm1);
+
+    try {
+      Status status = result.getStatus();
+      Assert.fail("Expected exception using iterator which throws an error, Got status: " + status);
+    } catch (AccumuloException ae) {
+
+    }
+
+    cw.close();
+  }
+
+  @Test(expected = IllegalArgumentException.class)
+  public void testNoConditions() throws AccumuloException, AccumuloSecurityException, TableExistsException, TableNotFoundException {
+    String table = getUniqueNames(1)[0];
+    Connector conn = getConnector();
+
+    conn.tableOperations().create(table);
+
+    ConditionalWriter cw = conn.createConditionalWriter(table, new ConditionalWriterConfig());
+
+    ConditionalMutation cm1 = new ConditionalMutation("r1");
+    cm1.put("tx", "seq", "1");
+    cm1.put("data", "x", "a");
+
+    cw.write(cm1);
+  }
+
+  @Test
+  public void testTrace() throws Exception {
+    // Need to add a getClientConfig() to AccumuloCluster
+    Assume.assumeTrue(getClusterType() == ClusterType.MINI);
+    Process tracer = null;
+    Connector conn = getConnector();
+    AccumuloCluster cluster = getCluster();
+    MiniAccumuloClusterImpl mac = (MiniAccumuloClusterImpl) cluster;
+    if (!conn.tableOperations().exists("trace")) {
+      tracer = mac.exec(TraceServer.class);
+      while (!conn.tableOperations().exists("trace")) {
+        UtilWaitThread.sleep(1000);
+      }
+    }
+
+    String tableName = getUniqueNames(1)[0];
+    conn.tableOperations().create(tableName);
+
+    DistributedTrace.enable("localhost", "testTrace", mac.getClientConfig());
+    UtilWaitThread.sleep(1000);
+    Span root = Trace.on("traceTest");
+    ConditionalWriter cw = conn.createConditionalWriter(tableName, new ConditionalWriterConfig());
+
+    // mutation conditional on column tx:seq not exiting
+    ConditionalMutation cm0 = new ConditionalMutation("99006", new Condition("tx", "seq"));
+    cm0.put("name", "last", "doe");
+    cm0.put("name", "first", "john");
+    cm0.put("tx", "seq", "1");
+    Assert.assertEquals(Status.ACCEPTED, cw.write(cm0).getStatus());
+    root.stop();
+
+    final Scanner scanner = conn.createScanner("trace", Authorizations.EMPTY);
+    scanner.setRange(new Range(new Text(Long.toHexString(root.traceId()))));
+    loop: while (true) {
+      final StringBuffer finalBuffer = new StringBuffer();
+      int traceCount = TraceDump.printTrace(scanner, new Printer() {
+        @Override
+        public void print(final String line) {
+          try {
+            finalBuffer.append(line).append("\n");
+          } catch (Exception ex) {
+            throw new RuntimeException(ex);
+          }
+        }
+      });
+      String traceOutput = finalBuffer.toString();
+      log.info("Trace output:" + traceOutput);
+      if (traceCount > 0) {
+        int lastPos = 0;
+        for (String part : "traceTest, startScan,startConditionalUpdate,conditionalUpdate,Check conditions,apply conditional mutations".split(",")) {
+          log.info("Looking in trace output for '" + part + "'");
+          int pos = traceOutput.indexOf(part);
+          if (-1 == pos) {
+            log.info("Trace output doesn't contain '" + part + "'");
+            Thread.sleep(1000);
+            break loop;
+          }
+          assertTrue("Did not find '" + part + "' in output", pos > 0);
+          assertTrue("'" + part + "' occurred earlier than the previous element unexpectedly", pos > lastPos);
+          lastPos = pos;
+        }
+        break;
+      } else {
+        log.info("Ignoring trace output as traceCount not greater than zero: " + traceCount);
+        Thread.sleep(1000);
+      }
+    }
+    if (tracer != null) {
+      tracer.destroy();
+    }
+  }
+}

http://git-wip-us.apache.org/repos/asf/accumulo/blob/01ae5b85/test/src/main/java/org/apache/accumulo/test/ConfigurableMajorCompactionIT.java
----------------------------------------------------------------------
diff --git a/test/src/main/java/org/apache/accumulo/test/ConfigurableMajorCompactionIT.java b/test/src/main/java/org/apache/accumulo/test/ConfigurableMajorCompactionIT.java
new file mode 100644
index 0000000..bc45dda
--- /dev/null
+++ b/test/src/main/java/org/apache/accumulo/test/ConfigurableMajorCompactionIT.java
@@ -0,0 +1,119 @@
+/*
+ * 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.accumulo.test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.accumulo.core.client.BatchWriter;
+import org.apache.accumulo.core.client.BatchWriterConfig;
+import org.apache.accumulo.core.client.Connector;
+import org.apache.accumulo.core.client.Scanner;
+import org.apache.accumulo.core.conf.Property;
+import org.apache.accumulo.core.data.Mutation;
+import org.apache.accumulo.core.metadata.MetadataTable;
+import org.apache.accumulo.core.metadata.schema.MetadataSchema;
+import org.apache.accumulo.core.security.Authorizations;
+import org.apache.accumulo.fate.util.UtilWaitThread;
+import org.apache.accumulo.minicluster.impl.MiniAccumuloConfigImpl;
+import org.apache.accumulo.test.functional.ConfigurableMacBase;
+import org.apache.accumulo.tserver.compaction.CompactionPlan;
+import org.apache.accumulo.tserver.compaction.CompactionStrategy;
+import org.apache.accumulo.tserver.compaction.MajorCompactionRequest;
+import org.apache.accumulo.tserver.compaction.WriteParameters;
+import org.apache.hadoop.conf.Configuration;
+import org.junit.Test;
+
+import com.google.common.collect.Iterators;
+
+public class ConfigurableMajorCompactionIT extends ConfigurableMacBase {
+
+  @Override
+  public int defaultTimeoutSeconds() {
+    return 30;
+  }
+
+  @Override
+  public void configure(MiniAccumuloConfigImpl cfg, Configuration hadoopCoreSite) {
+    Map<String,String> siteConfig = new HashMap<String,String>();
+    siteConfig.put(Property.TSERV_MAJC_DELAY.getKey(), "1s");
+    cfg.setSiteConfig(siteConfig);
+  }
+
+  public static class TestCompactionStrategy extends CompactionStrategy {
+
+    @Override
+    public boolean shouldCompact(MajorCompactionRequest request) throws IOException {
+      return request.getFiles().size() == 5;
+    }
+
+    @Override
+    public CompactionPlan getCompactionPlan(MajorCompactionRequest request) throws IOException {
+      CompactionPlan plan = new CompactionPlan();
+      plan.inputFiles.addAll(request.getFiles().keySet());
+      plan.writeParameters = new WriteParameters();
+      plan.writeParameters.setBlockSize(1024 * 1024);
+      plan.writeParameters.setCompressType("none");
+      plan.writeParameters.setHdfsBlockSize(1024 * 1024);
+      plan.writeParameters.setIndexBlockSize(10);
+      plan.writeParameters.setReplication(7);
+      return plan;
+    }
+  }
+
+  @Test
+  public void test() throws Exception {
+    Connector conn = getConnector();
+    String tableName = getUniqueNames(1)[0];
+    conn.tableOperations().create(tableName);
+    conn.tableOperations().setProperty(tableName, Property.TABLE_COMPACTION_STRATEGY.getKey(), TestCompactionStrategy.class.getName());
+    writeFile(conn, tableName);
+    writeFile(conn, tableName);
+    writeFile(conn, tableName);
+    writeFile(conn, tableName);
+    UtilWaitThread.sleep(2 * 1000);
+    assertEquals(4, countFiles(conn));
+    writeFile(conn, tableName);
+    int count = countFiles(conn);
+    assertTrue(count == 1 || count == 5);
+    while (count != 1) {
+      UtilWaitThread.sleep(250);
+      count = countFiles(conn);
+    }
+  }
+
+  private int countFiles(Connector conn) throws Exception {
+    Scanner s = conn.createScanner(MetadataTable.NAME, Authorizations.EMPTY);
+    s.setRange(MetadataSchema.TabletsSection.getRange());
+    s.fetchColumnFamily(MetadataSchema.TabletsSection.DataFileColumnFamily.NAME);
+    return Iterators.size(s.iterator());
+  }
+
+  private void writeFile(Connector conn, String tableName) throws Exception {
+    BatchWriter bw = conn.createBatchWriter(tableName, new BatchWriterConfig());
+    Mutation m = new Mutation("row");
+    m.put("cf", "cq", "value");
+    bw.addMutation(m);
+    bw.close();
+    conn.tableOperations().flush(tableName, null, null, true);
+  }
+
+}

http://git-wip-us.apache.org/repos/asf/accumulo/blob/01ae5b85/test/src/main/java/org/apache/accumulo/test/CreateTableWithNewTableConfigIT.java
----------------------------------------------------------------------
diff --git a/test/src/main/java/org/apache/accumulo/test/CreateTableWithNewTableConfigIT.java b/test/src/main/java/org/apache/accumulo/test/CreateTableWithNewTableConfigIT.java
new file mode 100644
index 0000000..b80bcb7
--- /dev/null
+++ b/test/src/main/java/org/apache/accumulo/test/CreateTableWithNewTableConfigIT.java
@@ -0,0 +1,193 @@
+/*
+ * 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.accumulo.test;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import org.apache.accumulo.core.client.AccumuloException;
+import org.apache.accumulo.core.client.Connector;
+import org.apache.accumulo.core.client.Scanner;
+import org.apache.accumulo.core.client.TableNotFoundException;
+import org.apache.accumulo.core.client.admin.NewTableConfiguration;
+import org.apache.accumulo.core.client.admin.TimeType;
+import org.apache.accumulo.core.conf.Property;
+import org.apache.accumulo.core.data.Key;
+import org.apache.accumulo.core.data.Value;
+import org.apache.accumulo.core.metadata.MetadataTable;
+import org.apache.accumulo.core.metadata.schema.MetadataSchema.TabletsSection.ServerColumnFamily;
+import org.apache.accumulo.core.security.Authorizations;
+import org.apache.accumulo.harness.SharedMiniClusterBase;
+import org.junit.Assert;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.collect.Iterators;
+
+/**
+ *
+ */
+public class CreateTableWithNewTableConfigIT extends SharedMiniClusterBase {
+  static private final Logger log = LoggerFactory.getLogger(CreateTableWithNewTableConfigIT.class);
+
+  @Override
+  protected int defaultTimeoutSeconds() {
+    return 30;
+  };
+
+  public int numProperties(Connector connector, String tableName) throws AccumuloException, TableNotFoundException {
+    return Iterators.size(connector.tableOperations().getProperties(tableName).iterator());
+  }
+
+  public int compareProperties(Connector connector, String tableNameOrig, String tableName, String changedProp) throws AccumuloException,
+      TableNotFoundException {
+    boolean inNew = false;
+    int countOrig = 0;
+    for (Entry<String,String> orig : connector.tableOperations().getProperties(tableNameOrig)) {
+      countOrig++;
+      for (Entry<String,String> entry : connector.tableOperations().getProperties(tableName)) {
+        if (entry.equals(orig)) {
+          inNew = true;
+          break;
+        } else if (entry.getKey().equals(orig.getKey()) && !entry.getKey().equals(changedProp))
+          Assert.fail("Property " + orig.getKey() + " has different value than deprecated method");
+      }
+      if (!inNew)
+        Assert.fail("Original property missing after using the new create method");
+    }
+    return countOrig;
+  }
+
+  public boolean checkTimeType(Connector connector, String tableName, TimeType expectedTimeType) throws TableNotFoundException {
+    final Scanner scanner = connector.createScanner(MetadataTable.NAME, Authorizations.EMPTY);
+    String tableID = connector.tableOperations().tableIdMap().get(tableName) + "<";
+    for (Entry<Key,Value> entry : scanner) {
+      Key k = entry.getKey();
+
+      if (k.getRow().toString().equals(tableID) && k.getColumnQualifier().toString().equals(ServerColumnFamily.TIME_COLUMN.getColumnQualifier().toString())) {
+        if (expectedTimeType == TimeType.MILLIS && entry.getValue().toString().charAt(0) == 'M')
+          return true;
+        if (expectedTimeType == TimeType.LOGICAL && entry.getValue().toString().charAt(0) == 'L')
+          return true;
+      }
+    }
+    return false;
+  }
+
+  @SuppressWarnings("deprecation")
+  @Test
+  public void tableNameOnly() throws Exception {
+    log.info("Starting tableNameOnly");
+
+    // Create a table with the initial properties
+    Connector connector = getConnector();
+    String tableName = getUniqueNames(2)[0];
+    connector.tableOperations().create(tableName, new NewTableConfiguration());
+
+    String tableNameOrig = "original";
+    connector.tableOperations().create(tableNameOrig, true);
+
+    int countNew = numProperties(connector, tableName);
+    int countOrig = compareProperties(connector, tableNameOrig, tableName, null);
+
+    Assert.assertEquals("Extra properties using the new create method", countOrig, countNew);
+    Assert.assertTrue("Wrong TimeType", checkTimeType(connector, tableName, TimeType.MILLIS));
+  }
+
+  @SuppressWarnings("deprecation")
+  @Test
+  public void tableNameAndLimitVersion() throws Exception {
+    log.info("Starting tableNameAndLimitVersion");
+
+    // Create a table with the initial properties
+    Connector connector = getConnector();
+    String tableName = getUniqueNames(2)[0];
+    boolean limitVersion = false;
+    connector.tableOperations().create(tableName, new NewTableConfiguration().withoutDefaultIterators());
+
+    String tableNameOrig = "originalWithLimitVersion";
+    connector.tableOperations().create(tableNameOrig, limitVersion);
+
+    int countNew = numProperties(connector, tableName);
+    int countOrig = compareProperties(connector, tableNameOrig, tableName, null);
+
+    Assert.assertEquals("Extra properties using the new create method", countOrig, countNew);
+    Assert.assertTrue("Wrong TimeType", checkTimeType(connector, tableName, TimeType.MILLIS));
+  }
+
+  @SuppressWarnings("deprecation")
+  @Test
+  public void tableNameLimitVersionAndTimeType() throws Exception {
+    log.info("Starting tableNameLimitVersionAndTimeType");
+
+    // Create a table with the initial properties
+    Connector connector = getConnector();
+    String tableName = getUniqueNames(2)[0];
+    boolean limitVersion = false;
+    TimeType tt = TimeType.LOGICAL;
+    connector.tableOperations().create(tableName, new NewTableConfiguration().withoutDefaultIterators().setTimeType(tt));
+
+    String tableNameOrig = "originalWithLimitVersionAndTimeType";
+    connector.tableOperations().create(tableNameOrig, limitVersion, tt);
+
+    int countNew = numProperties(connector, tableName);
+    int countOrig = compareProperties(connector, tableNameOrig, tableName, null);
+
+    Assert.assertEquals("Extra properties using the new create method", countOrig, countNew);
+    Assert.assertTrue("Wrong TimeType", checkTimeType(connector, tableName, tt));
+  }
+
+  @SuppressWarnings("deprecation")
+  @Test
+  public void addCustomPropAndChangeExisting() throws Exception {
+    log.info("Starting addCustomPropAndChangeExisting");
+
+    // Create and populate initial properties map for creating table 1
+    Map<String,String> properties = new HashMap<String,String>();
+    String propertyName = Property.TABLE_SPLIT_THRESHOLD.getKey();
+    String volume = "10K";
+    properties.put(propertyName, volume);
+
+    String propertyName2 = "table.custom.testProp";
+    String volume2 = "Test property";
+    properties.put(propertyName2, volume2);
+
+    // Create a table with the initial properties
+    Connector connector = getConnector();
+    String tableName = getUniqueNames(2)[0];
+    connector.tableOperations().create(tableName, new NewTableConfiguration().setProperties(properties));
+
+    String tableNameOrig = "originalWithTableName";
+    connector.tableOperations().create(tableNameOrig, true);
+
+    int countNew = numProperties(connector, tableName);
+    int countOrig = compareProperties(connector, tableNameOrig, tableName, propertyName);
+
+    for (Entry<String,String> entry : connector.tableOperations().getProperties(tableName)) {
+      if (entry.getKey().equals(Property.TABLE_SPLIT_THRESHOLD.getKey()))
+        Assert.assertTrue("TABLE_SPLIT_THRESHOLD has been changed", entry.getValue().equals("10K"));
+      if (entry.getKey().equals("table.custom.testProp"))
+        Assert.assertTrue("table.custom.testProp has been changed", entry.getValue().equals("Test property"));
+    }
+
+    Assert.assertEquals("Extra properties using the new create method", countOrig + 1, countNew);
+    Assert.assertTrue("Wrong TimeType", checkTimeType(connector, tableName, TimeType.MILLIS));
+
+  }
+}

http://git-wip-us.apache.org/repos/asf/accumulo/blob/01ae5b85/test/src/main/java/org/apache/accumulo/test/DumpConfigIT.java
----------------------------------------------------------------------
diff --git a/test/src/main/java/org/apache/accumulo/test/DumpConfigIT.java b/test/src/main/java/org/apache/accumulo/test/DumpConfigIT.java
new file mode 100644
index 0000000..5cc37a5
--- /dev/null
+++ b/test/src/main/java/org/apache/accumulo/test/DumpConfigIT.java
@@ -0,0 +1,69 @@
+/*
+ * 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.accumulo.test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.util.Collections;
+
+import org.apache.accumulo.core.conf.Property;
+import org.apache.accumulo.core.metadata.MetadataTable;
+import org.apache.accumulo.minicluster.impl.MiniAccumuloConfigImpl;
+import org.apache.accumulo.server.util.Admin;
+import org.apache.accumulo.test.functional.ConfigurableMacBase;
+import org.apache.accumulo.test.functional.FunctionalTestUtils;
+import org.apache.hadoop.conf.Configuration;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
+
+public class DumpConfigIT extends ConfigurableMacBase {
+
+  @Rule
+  public TemporaryFolder folder = new TemporaryFolder(new File(System.getProperty("user.dir") + "/target"));
+
+  @Override
+  public int defaultTimeoutSeconds() {
+    return 2 * 60;
+  }
+
+  @Override
+  public void configure(MiniAccumuloConfigImpl cfg, Configuration hadoopCoreSite) {
+    cfg.setSiteConfig(Collections.singletonMap(Property.TABLE_FILE_BLOCK_SIZE.getKey(), "1234567"));
+  }
+
+  @Test
+  public void test() throws Exception {
+    File siteFileBackup = new File(folder.getRoot(), "accumulo-site.xml.bak");
+    assertFalse(siteFileBackup.exists());
+    assertEquals(0, exec(Admin.class, new String[] {"dumpConfig", "-a", "-d", folder.getRoot().getPath()}).waitFor());
+    assertTrue(siteFileBackup.exists());
+    String site = FunctionalTestUtils.readAll(new FileInputStream(siteFileBackup));
+    assertTrue(site.contains(Property.TABLE_FILE_BLOCK_SIZE.getKey()));
+    assertTrue(site.contains("1234567"));
+    String meta = FunctionalTestUtils.readAll(new FileInputStream(new File(folder.getRoot(), MetadataTable.NAME + ".cfg")));
+    assertTrue(meta.contains(Property.TABLE_FILE_REPLICATION.getKey()));
+    String systemPerm = FunctionalTestUtils.readAll(new FileInputStream(new File(folder.getRoot(), "root_user.cfg")));
+    assertTrue(systemPerm.contains("grant System.ALTER_USER -s -u root"));
+    assertTrue(systemPerm.contains("grant Table.READ -t " + MetadataTable.NAME + " -u root"));
+    assertFalse(systemPerm.contains("grant Table.DROP -t " + MetadataTable.NAME + " -u root"));
+  }
+}

http://git-wip-us.apache.org/repos/asf/accumulo/blob/01ae5b85/test/src/main/java/org/apache/accumulo/test/ExistingMacIT.java
----------------------------------------------------------------------
diff --git a/test/src/main/java/org/apache/accumulo/test/ExistingMacIT.java b/test/src/main/java/org/apache/accumulo/test/ExistingMacIT.java
new file mode 100644
index 0000000..52d2086
--- /dev/null
+++ b/test/src/main/java/org/apache/accumulo/test/ExistingMacIT.java
@@ -0,0 +1,169 @@
+/*
+ * 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.accumulo.test;
+
+import static org.junit.Assert.assertTrue;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.Collection;
+import java.util.Map.Entry;
+import java.util.Set;
+
+import org.apache.accumulo.core.client.BatchWriter;
+import org.apache.accumulo.core.client.BatchWriterConfig;
+import org.apache.accumulo.core.client.Connector;
+import org.apache.accumulo.core.client.Scanner;
+import org.apache.accumulo.core.client.security.tokens.PasswordToken;
+import org.apache.accumulo.core.conf.Property;
+import org.apache.accumulo.core.data.Key;
+import org.apache.accumulo.core.data.Mutation;
+import org.apache.accumulo.core.data.Value;
+import org.apache.accumulo.core.metadata.MetadataTable;
+import org.apache.accumulo.core.metadata.RootTable;
+import org.apache.accumulo.core.security.Authorizations;
+import org.apache.accumulo.core.util.UtilWaitThread;
+import org.apache.accumulo.minicluster.ServerType;
+import org.apache.accumulo.minicluster.impl.MiniAccumuloClusterImpl;
+import org.apache.accumulo.minicluster.impl.MiniAccumuloConfigImpl;
+import org.apache.accumulo.minicluster.impl.ProcessReference;
+import org.apache.accumulo.test.functional.ConfigurableMacBase;
+import org.apache.commons.io.FileUtils;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.RawLocalFileSystem;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class ExistingMacIT extends ConfigurableMacBase {
+  @Override
+  public int defaultTimeoutSeconds() {
+    return 2 * 60;
+  }
+
+  @Override
+  public void configure(MiniAccumuloConfigImpl cfg, Configuration hadoopCoreSite) {
+    cfg.setProperty(Property.INSTANCE_ZK_TIMEOUT, "5s");
+
+    // use raw local file system so walogs sync and flush will work
+    hadoopCoreSite.set("fs.file.impl", RawLocalFileSystem.class.getName());
+  }
+
+  private void createEmptyConfig(File confFile) throws IOException {
+    Configuration conf = new Configuration(false);
+    OutputStream hcOut = new FileOutputStream(confFile);
+    conf.writeXml(hcOut);
+    hcOut.close();
+  }
+
+  @Test
+  public void testExistingInstance() throws Exception {
+
+    Connector conn = getCluster().getConnector("root", new PasswordToken(ROOT_PASSWORD));
+
+    conn.tableOperations().create("table1");
+
+    BatchWriter bw = conn.createBatchWriter("table1", new BatchWriterConfig());
+
+    Mutation m1 = new Mutation("00081");
+    m1.put("math", "sqroot", "9");
+    m1.put("math", "sq", "6560");
+
+    bw.addMutation(m1);
+    bw.close();
+
+    conn.tableOperations().flush("table1", null, null, true);
+    // TOOD use constants
+    conn.tableOperations().flush(MetadataTable.NAME, null, null, true);
+    conn.tableOperations().flush(RootTable.NAME, null, null, true);
+
+    Set<Entry<ServerType,Collection<ProcessReference>>> procs = getCluster().getProcesses().entrySet();
+    for (Entry<ServerType,Collection<ProcessReference>> entry : procs) {
+      if (entry.getKey() == ServerType.ZOOKEEPER)
+        continue;
+      for (ProcessReference pr : entry.getValue())
+        getCluster().killProcess(entry.getKey(), pr);
+    }
+
+    // TODO clean out zookeeper? following sleep waits for ephemeral nodes to go away
+    UtilWaitThread.sleep(10000);
+
+    File hadoopConfDir = createTestDir(ExistingMacIT.class.getSimpleName() + "_hadoop_conf");
+    FileUtils.deleteQuietly(hadoopConfDir);
+    assertTrue(hadoopConfDir.mkdirs());
+    createEmptyConfig(new File(hadoopConfDir, "core-site.xml"));
+    createEmptyConfig(new File(hadoopConfDir, "hdfs-site.xml"));
+
+    File testDir2 = createTestDir(ExistingMacIT.class.getSimpleName() + "_2");
+    FileUtils.deleteQuietly(testDir2);
+
+    MiniAccumuloConfigImpl macConfig2 = new MiniAccumuloConfigImpl(testDir2, "notused");
+    macConfig2.useExistingInstance(new File(getCluster().getConfig().getConfDir(), "accumulo-site.xml"), hadoopConfDir);
+
+    MiniAccumuloClusterImpl accumulo2 = new MiniAccumuloClusterImpl(macConfig2);
+    accumulo2.start();
+
+    conn = accumulo2.getConnector("root", new PasswordToken(ROOT_PASSWORD));
+
+    Scanner scanner = conn.createScanner("table1", Authorizations.EMPTY);
+
+    int sum = 0;
+    for (Entry<Key,Value> entry : scanner) {
+      sum += Integer.parseInt(entry.getValue().toString());
+    }
+
+    Assert.assertEquals(6569, sum);
+
+    accumulo2.stop();
+  }
+
+  @Test
+  public void testExistingRunningInstance() throws Exception {
+    final String table = getUniqueNames(1)[0];
+    Connector conn = getConnector();
+    // Ensure that a master and tserver are up so the existing instance check won't fail.
+    conn.tableOperations().create(table);
+    BatchWriter bw = conn.createBatchWriter(table, new BatchWriterConfig());
+    Mutation m = new Mutation("foo");
+    m.put("cf", "cq", "value");
+    bw.addMutation(m);
+    bw.close();
+
+    File hadoopConfDir = createTestDir(ExistingMacIT.class.getSimpleName() + "_hadoop_conf_2");
+    FileUtils.deleteQuietly(hadoopConfDir);
+    assertTrue(hadoopConfDir.mkdirs());
+    createEmptyConfig(new File(hadoopConfDir, "core-site.xml"));
+    createEmptyConfig(new File(hadoopConfDir, "hdfs-site.xml"));
+
+    File testDir2 = createTestDir(ExistingMacIT.class.getSimpleName() + "_3");
+    FileUtils.deleteQuietly(testDir2);
+
+    MiniAccumuloConfigImpl macConfig2 = new MiniAccumuloConfigImpl(testDir2, "notused");
+    macConfig2.useExistingInstance(new File(getCluster().getConfig().getConfDir(), "accumulo-site.xml"), hadoopConfDir);
+
+    System.out.println("conf " + new File(getCluster().getConfig().getConfDir(), "accumulo-site.xml"));
+
+    MiniAccumuloClusterImpl accumulo2 = new MiniAccumuloClusterImpl(macConfig2);
+    try {
+      accumulo2.start();
+      Assert.fail("A 2nd MAC instance should not be able to start over an existing MAC instance");
+    } catch (RuntimeException e) {
+      // TODO check message or throw more explicit exception
+    }
+  }
+}