Conflicts:
examples/simple/src/main/java/org/apache/accumulo/examples/
simple/client/RandomBatchWriter.java
Project: http://git-wip-us.apache.org/repos/asf/accumulo/repo
Commit: http://git-wip-us.apache.org/repos/asf/accumulo/commit/1261625b
Tree: http://git-wip-us.apache.org/repos/asf/accumulo/tree/1261625b
Diff: http://git-wip-us.apache.org/repos/asf/accumulo/diff/1261625b
Branch: refs/heads/1.5.1-SNAPSHOT
Commit: 1261625b30691d57473efed313f3baf841d791e6
Parents: ac20fe0 a40a6d4
Author: Josh Elser <[email protected]>
Authored: Fri Nov 15 11:43:10 2013 -0800
Committer: Josh Elser <[email protected]>
Committed: Fri Nov 15 11:43:10 2013 -0800
----------------------------------------------------------------------
.../simple/client/RandomBatchWriter.java | 1 +
.../minicluster/MiniAccumuloClusterGCTest.java | 31
++++++++++++++++----
2 files changed, 27 insertions(+), 5 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/accumulo/blob/
1261625b/examples/simple/src/main/java/org/apache/accumulo/
examples/simple/client/RandomBatchWriter.java
----------------------------------------------------------------------
diff --cc
examples/simple/src/main/java/org/apache/accumulo/examples/
simple/client/RandomBatchWriter.java
index 886c4ba,0000000..f9acfd9
mode 100644,000000..100644
---
a/examples/simple/src/main/java/org/apache/accumulo/
examples/simple/client/RandomBatchWriter.java
+++
b/examples/simple/src/main/java/org/apache/accumulo/
examples/simple/client/RandomBatchWriter.java
@@@ -1,169 -1,0 +1,170 @@@
+/*
+ * 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.examples.simple.client;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map.Entry;
+import java.util.Random;
+import java.util.Set;
+
+import org.apache.accumulo.core.cli.BatchWriterOpts;
+import org.apache.accumulo.core.cli.ClientOnRequiredTable;
+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.Connector;
+import org.apache.accumulo.core.client.MutationsRejectedException;
+import org.apache.accumulo.core.client.TableNotFoundException;
+import org.apache.accumulo.core.client.security.SecurityErrorCode;
+import org.apache.accumulo.core.data.KeyExtent;
+import org.apache.accumulo.core.data.Mutation;
+import org.apache.accumulo.core.data.Value;
+import org.apache.accumulo.core.security.ColumnVisibility;
+import org.apache.hadoop.io.Text;
+
+import com.beust.jcommander.Parameter;
+
+/**
+ * Simple example for writing random data to Accumulo. See
docs/examples/README.batch for instructions.
+ *
+ * The rows of the entries will be randomly generated numbers between
a
specified min and max (prefixed by "row_"). The column families will be
"foo" and column
+ * qualifiers will be "1". The values will be random byte arrays of a
specified size.
+ */
+public class RandomBatchWriter {
+
+ /**
+ * Creates a random byte array of specified size using the specified
seed.
+ *
+ * @param rowid
+ * the seed to use for the random number generator
+ * @param dataSize
+ * the size of the array
+ * @return a random byte array
+ */
+ public static byte[] createValue(long rowid, int dataSize) {
+ Random r = new Random(rowid);
+ byte value[] = new byte[dataSize];
+
+ r.nextBytes(value);
+
+ // transform to printable chars
+ for (int j = 0; j < value.length; j++) {
+ value[j] = (byte) (((0xff & value[j]) % 92) + ' ');
+ }
+
+ return value;
+ }
+
+ /**
+ * Creates a mutation on a specified row with column family "foo",
column qualifier "1", specified visibility, and a random value of
specified
size.
+ *
+ * @param rowid
+ * the row of the mutation
+ * @param dataSize
+ * the size of the random value
+ * @param visibility
+ * the visibility of the entry to insert
+ * @return a mutation
+ */
+ public static Mutation createMutation(long rowid, int dataSize,
ColumnVisibility visibility) {
+ Text row = new Text(String.format("row_%010d", rowid));
+
+ Mutation m = new Mutation(row);
+
+ // create a random value that is a function of the
+ // row id for verification purposes
+ byte value[] = createValue(rowid, dataSize);
+
+ m.put(new Text("foo"), new Text("1"), visibility, new
Value(value));
+
+ return m;
+ }
+
+ static class Opts extends ClientOnRequiredTable {
+ @Parameter(names="--num", required=true)
+ int num = 0;
+ @Parameter(names="--min")
+ long min = 0;
+ @Parameter(names="--max")
+ long max = Long.MAX_VALUE;
+ @Parameter(names="--size", required=true, description="size of the
value to write")
+ int size = 0;
+ @Parameter(names="--vis", converter=VisibilityConverter.class)
+ ColumnVisibility visiblity = new ColumnVisibility("");
+ @Parameter(names="--seed", description="seed for pseudo-random
number generator")
+ Long seed = null;
+ }
+
+ /**
+ * Writes a specified number of entries to Accumulo using a {@link
BatchWriter}.
+ *
+ * @throws AccumuloException
+ * @throws AccumuloSecurityException
+ * @throws TableNotFoundException
+ */
+ public static void main(String[] args) throws AccumuloException,
AccumuloSecurityException, TableNotFoundException {
+ Opts opts = new Opts();
+ BatchWriterOpts bwOpts = new BatchWriterOpts();
+ opts.parseArgs(RandomBatchWriter.class.getName(), args, bwOpts);
+
+ Random r;
+ if (opts.seed == null)
+ r = new Random();
+ else {
+ r = new Random(opts.seed);
+ }
+
+ Connector connector = opts.getConnector();
+ BatchWriter bw = connector.createBatchWriter(opts.tableName,
bwOpts.getBatchWriterConfig());
+
+ // reuse the ColumnVisibility object to improve performance
+ ColumnVisibility cv = opts.visiblity;
+
+ for (int i = 0; i < opts.num; i++) {
+
+ long rowid = (Math.abs(r.nextLong()) % (opts.max - opts.min)) +
opts.min;
+
+ Mutation m = createMutation(rowid, opts.size, cv);
+
+ bw.addMutation(m);
+
+ }
+
+ try {
+ bw.close();
+ } catch (MutationsRejectedException e) {
+ if (e.getAuthorizationFailuresMap().size() > 0) {
+ HashMap<String,Set<SecurityErrorCode>> tables = new
HashMap<String,Set<SecurityErrorCode>>();
+ for (Entry<KeyExtent,Set<SecurityErrorCode>> ke :
e.getAuthorizationFailuresMap().entrySet()) {
+ Set<SecurityErrorCode> secCodes =
tables.get(ke.getKey().getTableId().toString());
+ if (secCodes == null) {
+ secCodes = new HashSet<SecurityErrorCode>();
+ tables.put(ke.getKey().getTableId().toString(),
secCodes);
+ }
+ secCodes.addAll(ke.getValue());
+ }
+ System.err.println("ERROR : Not authorized to write to tables
:
" + tables);
+ }
+
+ if (e.getConstraintViolationSummaries().size() > 0) {
+ System.err.println("ERROR : Constraint violations occurred :
" +
e.getConstraintViolationSummaries());
+ }
++ System.exit(1);
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/accumulo/blob/
1261625b/minicluster/src/test/java/org/apache/accumulo/minicluster/
MiniAccumuloClusterGCTest.java
----------------------------------------------------------------------
diff --cc
minicluster/src/test/java/org/apache/accumulo/minicluster/
MiniAccumuloClusterGCTest.java
index a579397,0000000..a1f58f6
mode 100644,000000..100644
---
a/minicluster/src/test/java/org/apache/accumulo/minicluster/
MiniAccumuloClusterGCTest.java
+++
b/minicluster/src/test/java/org/apache/accumulo/minicluster/
MiniAccumuloClusterGCTest.java
@@@ -1,129 -1,0 +1,150 @@@
+/*
+ * 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.minicluster;
+
+import java.io.File;
+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.ZooKeeperInstance;
+import org.apache.accumulo.core.client.security.tokens.PasswordToken;
+import org.apache.accumulo.core.conf.Property;
+import org.apache.accumulo.core.data.Mutation;
+import org.apache.accumulo.server.util.PortUtils;
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.filefilter.SuffixFileFilter;
+import org.apache.commons.io.filefilter.TrueFileFilter;
+import org.apache.log4j.Level;
+import org.apache.log4j.Logger;
- import org.junit.AfterClass;
+import org.junit.Assert;
- import org.junit.BeforeClass;
++import org.junit.Ignore;
+import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
+
+import com.google.common.collect.ImmutableMap;
++import com.google.common.io.Files;
+
+/**
+ *
+ */
+public class MiniAccumuloClusterGCTest {
+
++ @Test
++ public void testGcConfig() throws Exception {
++ File f = Files.createTempDir();
++ f.deleteOnExit();
++ try {
++ MiniAccumuloConfig macConfig = new MiniAccumuloConfig(f, passwd);
++ macConfig.setNumTservers(1);
++
++ Assert.assertEquals(false, macConfig.shouldRunGC());
++
++ // Turn on the garbage collector
++ macConfig.runGC(true);
++
++ Assert.assertEquals(true, macConfig.shouldRunGC());
++ } finally {
++ if (null != f && f.exists()) {
++ f.delete();
++ }
++ }
++ }
++
++
+ private static TemporaryFolder tmpDir = new TemporaryFolder();
+ private static MiniAccumuloConfig macConfig;
+ private static MiniAccumuloCluster accumulo;
+ private static final String passwd = "password";
+
- @BeforeClass
+ public static void setupMiniCluster() throws Exception {
+ tmpDir.create();
+ Logger.getLogger("org.apache.zookeeper").setLevel(Level.ERROR);
+
+ macConfig = new MiniAccumuloConfig(tmpDir.getRoot(), passwd);
+ macConfig.setNumTservers(1);
+
+ // Turn on the garbage collector
+ macConfig.runGC(true);
+
+ String gcPort = Integer.toString(PortUtils.getRandomFreePort());
+
+ // And tweak the settings to make it run often
+ Map<String,String> config =
ImmutableMap.of(Property.GC_CYCLE_DELAY.getKey(), "1s",
Property.GC_CYCLE_START.getKey(), "0s", Property.GC_PORT.getKey(),
gcPort);
+ macConfig.setSiteConfig(config);
+
+ accumulo = new MiniAccumuloCluster(macConfig);
+ accumulo.start();
+ }
+
- @AfterClass
+ public static void tearDownMiniCluster() throws Exception {
+ accumulo.stop();
+ tmpDir.delete();
+ }
+
- @Test(timeout = 20000)
++ // This test seems to be a little too unstable for a unit test
++ @Ignore
+ public void test() throws Exception {
+ ZooKeeperInstance inst = new
ZooKeeperInstance(accumulo.getInstanceName(), accumulo.getZooKeepers());
+ Connector c = inst.getConnector("root", new
PasswordToken(passwd));
+
+ final String table = "foobar";
+ c.tableOperations().create(table);
+
+ BatchWriter bw = null;
+
+ // Add some data
+ try {
+ bw = c.createBatchWriter(table, new BatchWriterConfig());
+ Mutation m = new Mutation("a");
+ for (int i = 0; i < 50; i++) {
+ m.put("colf", Integer.toString(i), "");
+ }
+
+ bw.addMutation(m);
+ } finally {
+ if (null != bw) {
+ bw.close();
+ }
+ }
+
+ final boolean flush = true, wait = true;
+
+ // Compact the tables to get some rfiles which we can gc
+ c.tableOperations().compact(table, null, null, flush, wait);
+ c.tableOperations().compact("!METADATA", null, null, flush,
wait);
+
+ File accumuloDir = new File(tmpDir.getRoot().getAbsolutePath(),
"accumulo");
+ File tables = new File(accumuloDir.getAbsolutePath(), "tables");
+
+ int fileCountAfterCompaction = FileUtils.listFiles(tables, new
SuffixFileFilter(".rf"), TrueFileFilter.TRUE).size();
+
+ // Sleep for 4s to let the GC do its thing
+ for (int i = 1; i < 5; i++) {
+ Thread.sleep(1000);
+ int fileCountAfterGCWait = FileUtils.listFiles(tables, new
SuffixFileFilter(".rf"), TrueFileFilter.TRUE).size();
+
+ if (fileCountAfterGCWait < fileCountAfterCompaction) {
+ return;
+ }
+ }
+
+ Assert.fail("Expected to find less files after compaction and
pause
for GC");
+ }
+
+}
