merlimat closed pull request #1257: Compaction CLI tool
URL: https://github.com/apache/incubator-pulsar/pull/1257
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diff --git a/bin/pulsar b/bin/pulsar
index 927a15d58..9309d8a53 100755
--- a/bin/pulsar
+++ b/bin/pulsar
@@ -75,6 +75,7 @@ where command is one of:
proxy Run a pulsar proxy
websocket Run a web socket proxy server
standalone Run a broker server with local bookies and local
zookeeper
+ compact-topic Run compaction against a topic
initialize-cluster-metadata One-time metadata initialization
zookeeper-shell Open a ZK shell client
@@ -224,6 +225,8 @@ elif [ $COMMAND == "initialize-cluster-metadata" ]; then
exec $JAVA $OPTS org.apache.pulsar.PulsarClusterMetadataSetup $@
elif [ $COMMAND == "zookeeper-shell" ]; then
exec $JAVA $OPTS org.apache.zookeeper.ZooKeeperMain $@
+elif [ $COMMAND == "compact-topic" ]; then
+ exec $JAVA $OPTS org.apache.pulsar.compaction.CompactorTool --broker-conf
$PULSAR_BROKER_CONF $@
elif [ $COMMAND == "help" ]; then
pulsar_help;
else
diff --git
a/pulsar-broker/src/main/java/org/apache/pulsar/compaction/CompactorTool.java
b/pulsar-broker/src/main/java/org/apache/pulsar/compaction/CompactorTool.java
new file mode 100644
index 000000000..ac18d1f6e
--- /dev/null
+++
b/pulsar-broker/src/main/java/org/apache/pulsar/compaction/CompactorTool.java
@@ -0,0 +1,125 @@
+/**
+ * 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.pulsar.compaction;
+
+import static org.apache.commons.lang3.StringUtils.isBlank;
+import static org.apache.commons.lang3.StringUtils.isNotBlank;
+import java.io.FileInputStream;
+import org.apache.pulsar.common.configuration.PulsarConfigurationLoader;
+import com.beust.jcommander.JCommander;
+import com.beust.jcommander.Parameter;
+import com.beust.jcommander.ParameterException;
+import com.beust.jcommander.Parameters;
+import org.apache.pulsar.broker.ServiceConfiguration;
+import org.apache.pulsar.broker.PulsarService;
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
+
+import java.util.Properties;
+
+import org.apache.pulsar.client.api.ClientConfiguration;
+import java.nio.file.Paths;
+
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+
+import org.apache.pulsar.broker.BookKeeperClientFactory;
+import org.apache.pulsar.broker.BookKeeperClientFactoryImpl;
+import org.apache.pulsar.client.api.PulsarClient;
+
+import org.apache.pulsar.zookeeper.ZooKeeperClientFactory;
+import org.apache.pulsar.zookeeper.ZookeeperBkClientFactoryImpl;
+import org.apache.zookeeper.ZooKeeper;
+
+import com.beust.jcommander.JCommander;
+import com.beust.jcommander.Parameter;
+
+import org.apache.bookkeeper.client.BookKeeper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class CompactorTool {
+
+ private static class Arguments {
+ @Parameter(names = {"-c", "--broker-conf"}, description =
"Configuration file for Broker")
+ private String brokerConfigFile =
Paths.get("").toAbsolutePath().normalize().toString() + "/conf/broker.conf";
+
+ @Parameter(names = {"-t", "--topic"}, description = "Topic to
compact", required=true)
+ private String topic;
+
+ @Parameter(names = {"-h", "--help"}, description = "Show this help
message")
+ private boolean help = false;
+ }
+
+ public static void main(String[] args) throws Exception {
+ Arguments arguments = new Arguments();
+ JCommander jcommander = new JCommander(arguments);
+ jcommander.setProgramName("PulsarTopicCompactor");
+
+ // parse args by JCommander
+ jcommander.parse(args);
+ if (arguments.help) {
+ jcommander.usage();
+ System.exit(-1);
+ }
+
+ // init broker config
+ ServiceConfiguration brokerConfig;
+ if (isBlank(arguments.brokerConfigFile)) {
+ jcommander.usage();
+ throw new IllegalArgumentException("Need to specify a
configuration file for broker");
+ } else {
+ brokerConfig = PulsarConfigurationLoader.create(
+ arguments.brokerConfigFile, ServiceConfiguration.class);
+ }
+
+ String pulsarServiceUrl = PulsarService.brokerUrl(brokerConfig);
+ ClientConfiguration clientConfig = new ClientConfiguration();
+
+ if (isNotBlank(brokerConfig.getBrokerClientAuthenticationPlugin())) {
+
clientConfig.setAuthentication(brokerConfig.getBrokerClientAuthenticationPlugin(),
+
brokerConfig.getBrokerClientAuthenticationParameters());
+ }
+ clientConfig.setUseTls(brokerConfig.isTlsEnabled());
+
clientConfig.setTlsAllowInsecureConnection(brokerConfig.isTlsAllowInsecureConnection());
+
clientConfig.setTlsTrustCertsFilePath(brokerConfig.getTlsCertificateFilePath());
+
+ ScheduledExecutorService scheduler =
Executors.newSingleThreadScheduledExecutor(
+ new
ThreadFactoryBuilder().setNameFormat("compaction-%d").setDaemon(true).build());
+
+ ZooKeeperClientFactory zkClientFactory = new
ZookeeperBkClientFactoryImpl();
+
+ ZooKeeper zk =
zkClientFactory.create(brokerConfig.getZookeeperServers(),
+
ZooKeeperClientFactory.SessionType.ReadWrite,
+
(int)brokerConfig.getZooKeeperSessionTimeoutMillis()).get();
+ BookKeeperClientFactory bkClientFactory = new
BookKeeperClientFactoryImpl();
+ BookKeeper bk = bkClientFactory.create(brokerConfig, zk);
+ try (PulsarClient pulsar = PulsarClient.create(pulsarServiceUrl,
clientConfig)) {
+ Compactor compactor = new TwoPhaseCompactor(brokerConfig, pulsar,
bk, scheduler);
+ long ledgerId = compactor.compact(arguments.topic).get();
+ log.info("Compaction of topic {} complete. Compacted to ledger
{}", arguments.topic, ledgerId);
+ } finally {
+ bk.close();
+ bkClientFactory.close();
+ zk.close();
+ scheduler.shutdownNow();
+ }
+ }
+
+ private static final Logger log =
LoggerFactory.getLogger(CompactorTool.class);
+}
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