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https://issues.apache.org/jira/browse/STORM-885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15018690#comment-15018690
]
ASF GitHub Bot commented on STORM-885:
--------------------------------------
Github user d2r commented on a diff in the pull request:
https://github.com/apache/storm/pull/838#discussion_r45512472
--- Diff:
storm-core/src/jvm/backtype/storm/messaging/netty/KerberosSaslServerHandler.java
---
@@ -0,0 +1,131 @@
+/**
+ * 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 backtype.storm.messaging.netty;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.Map;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.jboss.netty.channel.Channels;
+import org.jboss.netty.channel.ExceptionEvent;
+import org.jboss.netty.channel.MessageEvent;
+import org.jboss.netty.channel.SimpleChannelUpstreamHandler;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class KerberosSaslServerHandler extends
SimpleChannelUpstreamHandler {
+
+ ISaslServer server;
+ /** Used for client or server's token to send or receive from each
other. */
+ private Map storm_conf;
+ private String jaas_section;
+ private List<String> authorizedUsers;
+
+ private static final Logger LOG = LoggerFactory
+ .getLogger(KerberosSaslServerHandler.class);
+
+ public KerberosSaslServerHandler(ISaslServer server, Map storm_conf,
String jaas_section, List<String> authorizedUsers) throws IOException {
+ this.server = server;
+ this.storm_conf = storm_conf;
+ this.jaas_section = jaas_section;
+ this.authorizedUsers = authorizedUsers;
+ }
+
+ @Override
+ public void messageReceived(ChannelHandlerContext ctx, MessageEvent e)
+ throws Exception {
+ Object msg = e.getMessage();
+ if (msg == null)
+ return;
--- End diff --
minor: add braces to the `if`
> Heartbeat Server (Pacemaker)
> ----------------------------
>
> Key: STORM-885
> URL: https://issues.apache.org/jira/browse/STORM-885
> Project: Apache Storm
> Issue Type: Improvement
> Components: storm-core
> Reporter: Robert Joseph Evans
> Assignee: Kyle Nusbaum
>
> Large highly connected topologies and large clusters write a lot of data into
> ZooKeeper. The heartbeats, that make up the majority of this data, do not
> need to be persisted to disk. Pacemaker is intended to be a secure
> replacement for storing the heartbeats without changing anything within the
> heartbeats. In the future as more metrics are added in, we may want to look
> into switching it over to look more like Heron, where a metrics server is
> running for each node/topology. And can be used to aggregate/per-aggregate
> them in a more scalable manor.
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