{"id":1423,"date":"2012-06-07T22:00:00","date_gmt":"2012-06-07T22:00:00","guid":{"rendered":"http:\/\/www.javacodegeeks.com\/2012\/10\/oracle-coherence-distributed-data-management.html"},"modified":"2012-10-22T05:41:40","modified_gmt":"2012-10-22T05:41:40","slug":"oracle-coherence-distributed-data","status":"publish","type":"post","link":"https:\/\/www.javacodegeeks.com\/2012\/06\/oracle-coherence-distributed-data.html","title":{"rendered":"Oracle Coherence: Distributed Data Management"},"content":{"rendered":"
\n
This article shows how to provide distributed(partitioned) data management by using Oracle Coherence. In below sample application, a new cluster named OTV<\/strong> has been created and a cache object named user-map<\/strong> has been distributed between two members of the cluster. <\/div>\n

Used Technologies :<\/strong> <\/p>\n

JDK 1.6.0_21
\nMaven 3.0.2
\nCoherence 3.7.0
\nSolarisOS 5.10<\/p>\n

STEP 1 : CREATE MAVEN PROJECT<\/strong> <\/p>\n

A maven project is created as below. (It can be created by using Maven or IDE Plug-in).<\/p>\n

<\/a><\/div>\n

STEP 2 : DOWNLOAD COHERENCE PACKAGE<\/strong> <\/p>\n

Coherence package is downloaded via http:\/\/www.oracle.com\/technetwork\/middleware\/coherence\/downloads\/index.html<\/a> <\/p>\n

STEP 3 : LIBRARIES<\/strong> <\/p>\n

Firstly, Coherence library is installed to Local Maven Repository and its description is added to pom.xml as below. Also, if maven is not used, coherence.jar<\/strong> file can be added to classpath. <\/p>\n

 <!-- Coherence library(from local repository) -->\r\n <dependency>\r\n  <groupId>com.tangosol<\/groupId>\r\n  <artifactId>coherence<\/artifactId>\r\n  <version>3.7.0<\/version>\r\n <\/dependency>\r\n<\/pre>\n
Below plugin can be used to create runnable-jar<\/strong>.            <\/p>\n
 <plugin>\r\n  <groupId>org.apache.maven.plugins<\/groupId>\r\n  <artifactId>maven-assembly-plugin<\/artifactId>\r\n  <configuration>\r\n   <descriptorRefs>\r\n    <descriptorRef>jar-with-dependencies<\/descriptorRef>\r\n   <\/descriptorRefs>\r\n   <archive>\r\n    <manifest>\r\n     <mainClass>com.otv.exe.TestCacheExecutor<\/mainClass>\r\n    <\/manifest>\r\n   <\/archive>\r\n  <\/configuration>\r\n  <executions>\r\n   <execution>\r\n    <phase>package<\/phase>\r\n    <goals>\r\n     <goal>single<\/goal>\r\n    <\/goals>\r\n   <\/execution>\r\n  <\/executions>\r\n <\/plugin>\r\n<\/pre>\n
STEP 4 : CREATE otv-coherence-cache-config.xml<\/strong>          <\/p>\n
otv-coherence-cache-config.xml<\/strong> contains caching-schemes(distributed or replicated) and caching-scheme-mapping configuration. Created all cache mappings should be added to coherence-cache-config.xml<\/strong>.           <\/p>\n
<?xml version=\"1.0\"?>\r\n\r\n<cache-config xmlns:xsi=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\"\r\n xmlns=\"http:\/\/xmlns.oracle.com\/coherence\/coherence-cache-config\"\r\n xsi:schemaLocation=\"http:\/\/xmlns.oracle.com\/coherence\/coherence-cache-config\r\n   coherence-cache-config.xsd\">\r\n\r\n <caching-scheme-mapping>\r\n  <cache-mapping>\r\n   <cache-name>user-map<\/cache-name>\r\n   <scheme-name>MapDistCache<\/scheme-name>\r\n  <\/cache-mapping>\r\n <\/caching-scheme-mapping>\r\n\r\n    <caching-schemes>\r\n  <distributed-scheme>\r\n   <scheme-name>MapDistCache<\/scheme-name>\r\n   <service-name>MapDistCache<\/service-name>\r\n   <backing-map-scheme>\r\n    <local-scheme>\r\n     <unit-calculator>BINARY<\/unit-calculator>\r\n    <\/local-scheme>\r\n   <\/backing-map-scheme>\r\n   <autostart>true<\/autostart>\r\n  <\/distributed-scheme>\r\n <\/caching-schemes>\r\n<\/cache-config>\r\n<\/pre>\n
STEP 5 : CREATE tangosol-coherence-override.xml<\/strong>          <\/p>\n
tangosol-coherence-override.xml<\/strong> contains cluster, member-identity<\/strong> and configurable-cache-factory<\/strong> configuration. Also below configuration xml file show first member of the cluster.           <\/p>\n
tangosol-coherence-override.xml for first member of the cluster :<\/strong>          <\/p>\n
<?xml version='1.0'?>\r\n\r\n<coherence xmlns:xsi=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\"\r\n   xmlns=\"http:\/\/xmlns.oracle.com\/coherence\/coherence-operational-config\"\r\n   xsi:schemaLocation=\"http:\/\/xmlns.oracle.com\/coherence\/coherence-operational-config \r\n   coherence-operational-config.xsd\">\r\n\r\n   <cluster-config>\r\n\r\n      <member-identity>\r\n         <cluster-name>OTV<\/cluster-name>\r\n   <!-- Name of the first member of the cluster -->\r\n         <role-name>OTV1<\/role-name>\r\n      <\/member-identity>\r\n\r\n      <unicast-listener>\r\n       <well-known-addresses>\r\n         <socket-address id=\"1\">\r\n     <!-- IP Address of the first member of the cluster -->\r\n           <address>x.x.x.x<\/address>\r\n           <port>8089<\/port>\r\n         <\/socket-address>\r\n         <socket-address id=\"2\">\r\n     <!-- IP Address of the second member of the cluster -->\r\n           <address>y.y.y.y<\/address>\r\n           <port>8089<\/port>\r\n         <\/socket-address>\r\n       <\/well-known-addresses>\r\n\r\n    <!-- Name of the first member of the cluster -->\r\n       <machine-id>OTV1<\/machine-id>\r\n    <!-- IP Address of the first member of the cluster -->\r\n        <address>x.x.x.x<\/address>\r\n        <port>8089<\/port>\r\n        <port-auto-adjust>true<\/port-auto-adjust>\r\n      <\/unicast-listener>\r\n\r\n   <\/cluster-config>\r\n\r\n   <configurable-cache-factory-config>\r\n      <init-params>\r\n         <init-param>\r\n            <param-type>java.lang.String<\/param-type>\r\n            <param-value system-property=\"tangosol.coherence.cacheconfig\">\r\n              otv-coherence-cache-config.xml\r\n   <\/param-value>\r\n         <\/init-param>\r\n      <\/init-params>\r\n   <\/configurable-cache-factory-config>\r\n<\/coherence>\r\n<\/pre>\n
tangosol-coherence-override.xml for second member of the cluster :<\/strong>          <\/p>\n
<?xml version='1.0'?>\r\n\r\n<coherence xmlns:xsi=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\"\r\n   xmlns=\"http:\/\/xmlns.oracle.com\/coherence\/coherence-operational-config\"\r\n   xsi:schemaLocation=\"http:\/\/xmlns.oracle.com\/coherence\/coherence-operational-config \r\n   coherence-operational-config.xsd\">\r\n\r\n   <cluster-config>\r\n\r\n      <member-identity>\r\n         <cluster-name>OTV<\/cluster-name>\r\n   <!-- Name of the second member of the cluster -->\r\n         <role-name>OTV2<\/role-name>\r\n      <\/member-identity>\r\n\r\n      <unicast-listener>      \r\n\r\n       <well-known-addresses>\r\n         <socket-address id=\"1\">\r\n     <!-- IP Address of the first member of the cluster -->\r\n           <address>x.x.x.x<\/address>\r\n           <port>8089<\/port>\r\n         <\/socket-address>\r\n         <socket-address id=\"2\">\r\n     <!-- IP Address of the second member of the cluster -->\r\n           <address>y.y.y.y<\/address>\r\n           <port>8089<\/port>\r\n         <\/socket-address>\r\n       <\/well-known-addresses>\r\n\r\n    <!-- Name of the second member of the cluster -->\r\n       <machine-id>OTV2<\/machine-id>\r\n    <!-- IP Address of the second member of the cluster -->\r\n        <address>y.y.y.y<\/address>\r\n        <port>8089<\/port>\r\n        <port-auto-adjust>true<\/port-auto-adjust>\r\n\r\n      <\/unicast-listener>\r\n\r\n   <\/cluster-config>\r\n\r\n   <configurable-cache-factory-config>\r\n      <init-params>\r\n         <init-param>\r\n            <param-type>java.lang.String<\/param-type>\r\n            <param-value system-property=\"tangosol.coherence.cacheconfig\">\r\n              otv-coherence-cache-config.xml<\/param-value>\r\n         <\/init-param>\r\n      <\/init-params>\r\n   <\/configurable-cache-factory-config>\r\n\r\n<\/coherence>\r\n<\/pre>\n
STEP 6 : CREATE USER BEAN<\/strong>          
 
<\/div> <\/div><\/p>\n
A new User <\/strong>bean is created. This bean will be distributed between two node in OTV<\/strong> cluster. For serializing, java.io.Serializable<\/strong> interface has been implemented but PortableObject <\/strong>can be implemented for better performance.           <\/p>\n
package com.otv.user;\r\n\r\nimport java.io.Serializable;\r\n\r\n\/**\r\n * @author onlinetechvision.com\r\n * @since 9 Oct 2011\r\n * @version 1.0.0\r\n *\r\n *\/\r\npublic class User implements Serializable {\r\n\r\n private static final long serialVersionUID = 1L;\r\n private String name;\r\n private String surname;\r\n\r\n public User(String name, String surname) {\r\n  this.name = name;\r\n  this.surname = surname;\r\n }\r\n\r\n public String getName() {\r\n  return name;\r\n }\r\n\r\n public void setName(String name) {\r\n  this.name = name;\r\n }\r\n\r\n public String getSurname() {\r\n  return surname;\r\n }\r\n\r\n public void setSurname(String surname) {\r\n  this.surname = surname;\r\n }\r\n\r\n @Override\r\n public String toString() {\r\n  StringBuffer strBuff = new StringBuffer();\r\n  strBuff.append(\"name : \").append(name);\r\n  strBuff.append(\", surname : \").append(surname);\r\n  return strBuff.toString();\r\n }\r\n}\r\n<\/pre>\n
STEP 7 : CREATE CACHE CLASS<\/strong>          <\/p>\n
A new TestCache<\/strong> Class is created. This class initializes distributed(patitioned) data management and creates a cache object named user-map<\/strong>.           <\/p>\n
package com.otv;\r\n\r\nimport org.apache.log4j.Logger;\r\n\r\nimport com.otv.listener.UserMapListener;\r\nimport com.tangosol.net.CacheFactory;\r\nimport com.tangosol.net.NamedCache;\r\n\r\n\/**\r\n * @author onlinetechvision.com\r\n * @since 9 Oct 2011\r\n * @version 1.0.0\r\n *\r\n *\/\r\npublic class TestCache {\r\n\r\n private static Logger log = Logger.getLogger(TestCache.class);\r\n private static TestCache instance = null;\r\n private NamedCache cache = null;\r\n private static final String USER_MAP = \"user-map\";\r\n private static final long LOCK_TIMEOUT = -1;\r\n\r\n public TestCache() {\r\n  setCache(CacheFactory.getCache(USER_MAP));\r\n  getCache().addMapListener(new UserMapListener());\r\n }\r\n\r\n public static TestCache getInstance() {\r\n  if(instance == null) {\r\n   instance = new TestCache();\r\n  }\r\n  return instance;\r\n }\r\n\r\n public static void setInstance(TestCache instance) {\r\n  TestCache.instance = instance;\r\n }\r\n\r\n public NamedCache getCache() {\r\n  return cache;\r\n }\r\n\r\n public void setCache(NamedCache cache) {\r\n  this.cache = cache;\r\n }\r\n\r\n public void addToCache(Object key, Object value) {\r\n  \/\/ key is locked\r\n  getCache().lock(key, LOCK_TIMEOUT);\r\n  try {\r\n   \/\/ application logic\r\n   getCache().put(key, value);\r\n  } finally {\r\n   \/\/ key is unlocked\r\n   getCache().unlock(key);\r\n  }\r\n }\r\n\r\n public void deleteFromCache(Object key) {\r\n  \/\/ key is locked\r\n  getCache().lock(key, LOCK_TIMEOUT);\r\n  try {\r\n   \/\/ application logic\r\n   getCache().remove(key);\r\n  } finally {\r\n   \/\/ key is unlocked\r\n   getCache().unlock(key);\r\n  }\r\n }\r\n}\r\n<\/pre>\n
STEP 8 : CREATE UserMapListener IMPL CLASS<\/strong>          <\/p>\n
A new UserMapListener<\/strong> class is created. This listener receives distributed user-map<\/strong> events.           <\/p>\n
package com.otv.listener;\r\n\r\nimport org.apache.log4j.Logger;\r\n\r\nimport com.tangosol.util.MapEvent;\r\nimport com.tangosol.util.MapListener;\r\n\r\n\/**\r\n * @author onlinetechvision.com\r\n * @since 9 Oct 2011\r\n * @version 1.0.0\r\n *\r\n *\/\r\npublic class UserMapListener implements MapListener {\r\n\r\n private static Logger logger = Logger.getLogger(UserMapListener.class);\r\n\r\n public void entryDeleted(MapEvent me) {\r\n   logger.debug(\"Deleted Key = \" + me.getKey() + \", Value = \" + me.getOldValue());\r\n }\r\n\r\n public void entryInserted(MapEvent me) {\r\n  logger.debug(\"Inserted Key = \" + me.getKey() + \", Value = \" + me.getNewValue());\r\n }\r\n\r\n public void entryUpdated(MapEvent me) {\r\n\/\/  logger.debug(\"Updated Key = \" + me.getKey() + \", New_Value = \" + \r\n\/\/              me.getNewValue() + \", Old Value = \" + me.getOldValue());\r\n }\r\n}\r\n<\/pre>\n
STEP 9 : CREATE TestCacheExecutor CLASS<\/strong>          <\/p>\n
TestCacheExecutor<\/strong> class is created to run the application.            <\/p>\n
package com.otv.exe;\r\n\r\nimport java.util.Iterator;\r\n\r\nimport org.apache.log4j.Logger;\r\n\r\nimport com.otv.TestCache;\r\nimport com.otv.user.User;\r\n\r\n\/**\r\n * @author onlinetechvision.com\r\n * @since 9 Oct 2011\r\n * @version 1.0.0\r\n *\r\n *\/\r\npublic class TestCacheExecutor implements Runnable {\r\n\r\n private static Logger log = Logger.getLogger(TestCacheExecutor.class);\r\n\r\n public static void main(String[] args) {\r\n  try {\r\n   TestCacheExecutor testCacheExecutor = new TestCacheExecutor();\r\n   while (true) {\r\n    testCacheExecutor.run();\r\n    Thread.sleep(10000);\r\n   }\r\n  } catch (InterruptedException e) {\r\n   e.printStackTrace();\r\n  }\r\n }\r\n\r\n public void run() {\r\n  execute();\r\n }\r\n\r\n public void execute() {\r\n        \/\/Entries which will be inserted via first member of the cluster so before the project is built\r\n        \/\/ in order to deploy first member of the cluster, this code block should be opened and below \r\n        \/\/code block should be commented-out...\r\n  User firstUser = new User(\"Bruce\", \"Willis\");\r\n  User secondUser = new User(\"Clint\", \"Eastwood\");\r\n  TestCache.getInstance().addToCache(\"user1\", firstUser);\r\n  TestCache.getInstance().addToCache(\"user2\", secondUser);  \r\n\r\n  \/\/Entries which will be inserted via second member of the cluster so before the project is \r\n                \/\/built in order to deploy second member of the cluster, this code block should be opened \r\n                \/\/and above code block should be commented-out...\r\n  \/\/User firstUser = new User(\"Anna\", \"Kornikova\");\r\n  \/\/User secondUser = new User(\"Natalie\", \"Portman\");\r\n  \/\/TestCache.getInstance().addToCache(\"user3\", firstUser);\r\n  \/\/TestCache.getInstance().addToCache(\"user4\", secondUser);  \r\n\r\n  Iterator it = TestCache.getInstance().getCache().values().iterator();\r\n  log.debug(\"***************************************\");\r\n  while(it.hasNext()){\r\n   User user = (User)it.next();\r\n   log.debug(\"1. Cache Content : \"+user);\r\n  }\r\n  log.debug(\"***************************************\");\r\n }\r\n\r\n}\r\n<\/pre>\n
STEP 10 : BUILD PROJECT<\/strong>          <\/p>\n
When OTV_Coherence<\/strong> Project is build, OTV_Coherence-0.0.1-SNAPSHOT-jar-with-dependencies.jar<\/strong> is created.
\nNote : Build process should be applied separately for each member of the cluster.           <\/p>\n
STEP 11 : RUN PROJECT ON FIRST MEMBER OF THE CLUSTER<\/strong>          <\/p>\n
After created OTV_Coherence-0.0.1-SNAPSHOT-jar-with-dependencies.jar<\/strong> file is run at the members of the cluster, below output logs will be shown on first member\u2019 s console:           <\/p>\n
x.x.x.x :<\/strong> ip address of first member
\ny.y.y.y :<\/strong> ip address of second member           <\/p>\n
root@wpbxdbt # java -jar OTV_Coherence-0.0.1-SNAPSHOT-jar-with-dependencies.jar\r\n2011-10-09 21:24:42.112\/2.947 Oracle Coherence n\/a <Info> (thread=main, member=n\/a): Loaded operational configuration from \"jar:file:\/root\/OTV\/New\/OTV_Coherence-0.0.1-SNAPSHOT-jar-with-dependencies.jar!\/tangosol-coherence.xml\"\r\n\r\n2011-10-09 21:24:42.557\/3.392 Oracle Coherence n\/a <Info> (thread=main, member=n\/a): Loaded operational overrides from \"jar:file:\/root\/OTV\/New\/OTV_Coherence-0.0.1-SNAPSHOT-jar-with-dependencies.jar!\/tangosol-coherence-override-dev.xml\"\r\n\r\n2011-10-09 21:24:42.997\/3.832 Oracle Coherence n\/a <Info> (thread=main, member=n\/a): Loaded operational overrides from \"jar:file:\/root\/OTV\/New\/OTV_Coherence-0.0.1-SNAPSHOT-jar-with-dependencies.jar!\/tangosol-coherence-override.xml\"\r\n\r\n2011-10-09 21:24:43.029\/3.864 Oracle Coherence n\/a <D5> (thread=main, member=n\/a): Optional configuration override \"\/custom-mbeans.xml\" is not specified\r\n\r\nOracle Coherence Version n\/a Build n\/a\r\n Grid Edition: Development mode\r\nCopyright (c) 2000, 2011, Oracle and\/or its affiliates. All rights reserved.\r\n\r\n2011-10-09 21:24:45.307\/6.142 Oracle Coherence GE n\/a <Info> (thread=main, member=n\/a): Loaded cache configuration from \"jar:file:\/root\/OTV\/New\/OTV_Coherence-0.0.1-SNAPSHOT-jar-with-dependencies.jar!\/otv-coherence-cache-config.xml\"\r\n\r\n2011-10-09 21:24:46.934\/7.769 Oracle Coherence GE n\/a <D4> (thread=main, member=n\/a): TCMP bound to \/x.x.x.x:8089 using SystemSocketProvider\r\n\r\n2011-10-09 21:24:50.629\/11.464 Oracle Coherence GE n\/a <Info> (thread=Cluster, member=n\/a): Created a new cluster \"OTV\" with Member(Id=1, Timestamp=2011-10-09 21:24:46.935, Address=x.x.x.x:8089, MachineId=12096, Location=machine:dbt,process:13723, Role=OTV1, Edition=Grid Edition, Mode=Development, CpuCount=64, SocketCount=64) UID=0x0AD2339700000132E9EE15572F401F99\r\n\r\n2011-10-09 21:24:50.644\/11.479 Oracle Coherence GE n\/a <Info> (thread=main, member=n\/a): Started cluster Name=OTV\r\n\r\nWellKnownAddressList(Size=2,\r\n  WKA{Address=x.x.x.x, Port=8089}\r\n  WKA{Address=y.y.y.y, Port=8089}\r\n  )\r\n\r\nMasterMemberSet\r\n  (\r\n  ThisMember=Member(Id=1, Timestamp=2011-10-09 21:24:46.935, Address=x.x.x.x:8089, MachineId=12096, Location=machine:wpbxdbt,process:13723, Role=OTV1)\r\n\r\n  OldestMember=Member(Id=1, Timestamp=2011-10-09 21:24:46.935, Address=x.x.x.x:8089, MachineId=12096,\r\nLocation=machine:wpbxdbt,process:13723, Role=OTV1)\r\n\r\n  ActualMemberSet=MemberSet(Size=1, BitSetCount=2    \r\nMember(Id=1, Timestamp=2011-10-09 21:24:46.935, Address=x.x.x.x:8089, MachineId=12096, Location=machine:dbt,process:13723,Role=OTV1))\r\n  RecycleMillis=1200000\r\n  RecycleSet=MemberSet(Size=0, BitSetCount=0\r\n    )\r\n  )\r\n\r\nTcpRing{Connections=[]}\r\nIpMonitor{AddressListSize=0}\r\n\r\n2011-10-09 21:24:50.773\/11.608 Oracle Coherence GE n\/a <D5> (thread=Invocation:Management, member=1): Service Management \r\njoined the cluster with senior service member 1\r\n\r\n2011-10-09 21:24:52.099\/12.934 Oracle Coherence GE n\/a <D5> (thread=DistributedCache:MapDistCache, member=1): Service \r\nMapDistCache joined the cluster with senior service member 1\r\n\r\n09.10.2011 21:24:52 DEBUG (UserMapListener.java:23) - Inserted Key = user1, Value = name : Bruce, surname : Willis\r\n09.10.2011 21:24:52 DEBUG (UserMapListener.java:23) - Inserted Key = user2, Value = name : Clint, surname : Eastwood\r\n09.10.2011 21:24:52 DEBUG (TestCacheExecutor.java:43) - ***************************************\r\n09.10.2011 21:24:52 DEBUG (TestCacheExecutor.java:46) - Distributed Cache Content : name : Bruce, surname : Willis\r\n09.10.2011 21:24:52 DEBUG (TestCacheExecutor.java:46) - Distributed Cache Content : name : Clint, surname : Eastwood\r\n09.10.2011 21:24:52 DEBUG (TestCacheExecutor.java:48) - ***************************************\r\n2011-10-09 21:25:38.881\/59.716 Oracle Coherence GE n\/a <D5> (thread=Cluster, member=1): Member(Id=2, Timestamp=2011-10-09 \r\n21:25:38.68, Address=y.y.y.y:8089, MachineId=12097, Location=machine:ebt,process:29580, Role=OTV2) joined Cluster with senior \r\nmember 1\r\n\r\n2011-10-09 21:25:39.122\/59.957 Oracle Coherence GE n\/a <D5> (thread=Cluster, member=1): Member 2 joined Service Management \r\nwith senior member 1\r\n\r\n2011-10-09 21:25:40.767\/61.602 Oracle Coherence GE n\/a <D5> (thread=Cluster, member=1): Member 2 joined Service MapDistCache \r\nwith senior member 1\r\n\r\n2011-10-09 21:25:40.866\/61.702 Oracle Coherence GE n\/a <D5> (thread=DistributedCache:MapDistCache, member=1): 1> \r\nTransferring vulnerable PartitionSet{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127} to member 2 requesting 128\r\n2011-10-09 21:25:41.147\/61.982 Oracle Coherence GE n\/a <D4> (thread=DistributedCache:MapDistCache, member=1): 1> \r\nTransferring 129 out of 129 partitions to a machine-safe backup 1 at member 2 (under 129)\r\n2011-10-09 21:25:41.233\/62.068 Oracle Coherence GE n\/a <D5> (thread=DistributedCache:MapDistCache, member=1): Transferring \r\n0KB of backup[1] for PartitionSet{128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256} to member 2\r\n\r\n09.10.2011 21:25:41 DEBUG (UserMapListener.java:23) - Inserted Key = user3, Value = name : Anna, surname : Kornikova\r\n09.10.2011 21:25:41 DEBUG (UserMapListener.java:23) - Inserted Key = user4, Value = name : Natalie, surname : Portman\r\n09.10.2011 21:25:42 DEBUG (TestCacheExecutor.java:43) - ***************************************\r\n09.10.2011 21:25:42 DEBUG (TestCacheExecutor.java:46) - Distributed Cache Content : name : Natalie, surname : Portman\r\n09.10.2011 21:25:42 DEBUG (TestCacheExecutor.java:46) - Distributed Cache Content : name : Bruce, surname : Willis\r\n09.10.2011 21:25:42 DEBUG (TestCacheExecutor.java:46) - Distributed Cache Content : name : Clint, surname : Eastwood\r\n09.10.2011 21:25:42 DEBUG (TestCacheExecutor.java:46) - Distributed Cache Content : name : Anna, surname : Kornikova\r\n09.10.2011 21:25:42 DEBUG (TestCacheExecutor.java:48) - ***************************************\r\n<\/pre>\n
Second member\u2019 s console :<\/strong>          <\/p>\n
root@wpbxwebt # java -jar OTV_Coherence-0.0.1-SNAPSHOT-jar-with-dependencies.jar\r\n2011-10-09 21:25:37.623\/3.056 Oracle Coherence n\/a <Info> (thread=main, member=n\/a): Loaded operational configuration from \r\n\"jar:file:\/root\/OTV\/New\/OTV_Coherence-0.0.1-SNAPSHOT-jar-with-dependencies.jar!\/tangosol-coherence.xml\"\r\n\r\n2011-10-09 21:25:38.085\/3.517 Oracle Coherence n\/a <Info> (thread=main, member=n\/a): Loaded operational overrides from \r\n\"jar:file:\/root\/OTV\/New\/OTV_Coherence-0.0.1-SNAPSHOT-jar-with-dependencies.jar!\/tangosol-coherence-override-dev.xml\"\r\n\r\n2011-10-09 21:25:38.522\/3.954 Oracle Coherence n\/a <Info> (thread=main, member=n\/a): Loaded operational overrides from \"jar:file:\/root\/OTV\/New\/OTV_Coherence-0.0.1-SNAPSHOT-jar-with-dependencies.jar!\/tangosol-coherence-override.xml\"\r\n\r\n2011-10-09 21:25:38.554\/3.986 Oracle Coherence n\/a <D5> (thread=main, member=n\/a): Optional configuration override \"\/custom-\r\nmbeans.xml\" is not specified\r\n\r\nOracle Coherence Version n\/a Build n\/a\r\n Grid Edition: Development mode\r\nCopyright (c) 2000, 2011, Oracle and\/or its affiliates. All rights reserved.\r\n\r\n2011-10-09 21:25:40.946\/6.378 Oracle Coherence GE n\/a <Info> (thread=main, member=n\/a): Loaded cache configuration from \r\n\"jar:file:\/root\/OTV\/New\/OTV_Coherence-0.0.1-SNAPSHOT-jar-with-dependencies.jar!\/otv-coherence-cache-config.xml\"\r\n\r\n2011-10-09 21:25:42.665\/8.097 Oracle Coherence GE n\/a <D4> (thread=main, member=n\/a): TCMP bound to \/y.y.y.y:8089 using \r\nSystemSocketProvider\r\n\r\n2011-10-09 21:25:43.266\/8.698 Oracle Coherence GE n\/a <Info> (thread=Cluster, member=n\/a): Failed to satisfy the variance: \r\nallowed=16, actual=31\r\n\r\n2011-10-09 21:25:43.266\/8.698 Oracle Coherence GE n\/a <Info> (thread=Cluster, member=n\/a): Increasing allowable variance to 17\r\n2011-10-09 21:25:43.599\/9.031 Oracle Coherence GE n\/a <Info> (thread=Cluster, member=n\/a): This Member(Id=2, \r\nTimestamp=2011-10-09 21:25:38.68, Address=y.y.y.y:8089, MachineId=12097, Location=machine:ebt,process:29580, Role=OTV2, \r\nEdition=Grid Edition, Mode=Development, CpuCount=32, SocketCount=32) joined cluster \"OTV\" with senior Member(Id=1, \r\nTimestamp=2011-10-09 21:24:46.935, Address=x.x.x.x:8089, MachineId=12096, Location=machine:dbt,process:13723, Role=OTV1, \r\nEdition=Grid Edition, Mode=Development, CpuCount=64, SocketCount=64)\r\n\r\n2011-10-09 21:25:43.649\/9.081 Oracle Coherence GE n\/a <D5> (thread=Cluster, member=n\/a): Member 1 joined Service Cluster with \r\nsenior member 1\r\n\r\n2011-10-09 21:25:43.650\/9.082 Oracle Coherence GE n\/a <D5> (thread=Cluster, member=n\/a): Member 1 joined Service Management \r\nwith senior member 1\r\n\r\n2011-10-09 21:25:43.650\/9.082 Oracle Coherence GE n\/a <D5> (thread=Cluster, member=n\/a): Member 1 joined Service MapDistCache \r\nwith senior member 1\r\n\r\n2011-10-09 21:25:43.656\/9.088 Oracle Coherence GE n\/a <Info> (thread=main, member=n\/a): Started cluster Name=OTV\r\n\r\nWellKnownAddressList(Size=2,\r\n  WKA{Address=y.y.y.y, Port=8089}\r\n  WKA{Address=x.x.x.x, Port=8089}\r\n  )\r\n\r\nMasterMemberSet\r\n  (\r\n  ThisMember=Member(Id=2, Timestamp=2011-10-09 21:25:38.68, Address=y.y.y.y:8089, MachineId=12097, Location=machine:ebt,process:29580, Role=OTV2) \r\nOldestMember=Member(Id=1, Timestamp=2011-10-09 21:24:46.935, Address=x.x.x.x:8089, MachineId=12096, Location=machine:dbt,process:13723, Role=OTV1)\r\n  ActualMemberSet=MemberSet(Size=2, BitSetCount=2\r\n    Member(Id=1, Timestamp=2011-10-09 21:24:46.935, Address=x.x.x.x:8089, MachineId=12096, Location=machine:dbt,process:13723, \r\nRole=OTV1)\r\n\r\n    Member(Id=2, Timestamp=2011-10-09 21:25:38.68, Address=y.y.y.y:8089, MachineId=12097, Location=machine:ebt,process:29580, \r\nRole=OTV2)\r\n    )\r\n  RecycleMillis=1200000\r\n  RecycleSet=MemberSet(Size=0, BitSetCount=0\r\n    )\r\n  )\r\n\r\nTcpRing{Connections=[1]}\r\nIpMonitor{AddressListSize=1}\r\n\r\n2011-10-09 21:25:43.812\/9.248 Oracle Coherence GE n\/a <D5> (thread=Invocation:Management, member=2): Service Management \r\njoined the cluster with senior service member 1\r\n\r\n2011-10-09 21:25:45.230\/10.662 Oracle Coherence GE n\/a <D5> (thread=DistributedCache:MapDistCache, member=2): Service \r\nMapDistCache joined the cluster with senior service member 1\r\n\r\n2011-10-09 21:25:45.482\/10.914 Oracle Coherence GE n\/a <D4> (thread=DistributedCache:MapDistCache, member=2): Asking member 1 \r\nfor 128 primary partitions\r\n\r\n2011-10-09 21:25:45.840\/11.272 Oracle Coherence GE n\/a <D5> (thread=DistributedCache:MapDistCache, member=2): Deferring the \r\ndistribution due to 128 pending configuration updates\r\n\r\n09.10.2011 21:25:46 DEBUG (UserMapListener.java:23) - Inserted Key = user3, Value = name : Anna, surname : Kornikova\r\n09.10.2011 21:25:46 DEBUG (UserMapListener.java:23) - Inserted Key = user4, Value = name : Natalie, surname : Portman\r\n09.10.2011 21:25:46 DEBUG (TestCacheExecutor.java:43) - ***************************************\r\n09.10.2011 21:25:46 DEBUG (TestCacheExecutor.java:46) - Distributed Cache Content : name : Anna, surname : Kornikova\r\n09.10.2011 21:25:46 DEBUG (TestCacheExecutor.java:46) - Distributed Cache Content : name : Bruce, surname : Willis\r\n09.10.2011 21:25:46 DEBUG (TestCacheExecutor.java:46) - Distributed Cache Content : name : Natalie, surname : Portman\r\n09.10.2011 21:25:46 DEBUG (TestCacheExecutor.java:46) - Distributed Cache Content : name : Clint, surname : Eastwood\r\n09.10.2011 21:25:46 DEBUG (TestCacheExecutor.java:48) - ***************************************\r\n<\/pre>\n
STEP 12 : DOWNLOAD<\/strong>          <\/p>\n
OTV_Coherence<\/a><\/p>\n
Reference: <\/i><\/strong>Distributed Data Management in Oracle Coherence <\/a> from our JCG partner<\/a> Eren Avsarogullari at the Online Technology Vision<\/a> blog.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
This article shows how to provide distributed(partitioned) data management by using Oracle Coherence. In below sample application, a new cluster named OTV has been created and a cache object named user-map has been distributed between two members of the cluster. Used Technologies : JDK 1.6.0_21 Maven 3.0.2 Coherence 3.7.0 SolarisOS 5.10 STEP 1 : CREATE …<\/p>\n","protected":false},"author":158,"featured_media":204,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[317],"class_list":["post-1423","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-enterprise-java","tag-coherence"],"yoast_head":"\nOracle Coherence: Distributed Data Management - Java Code Geeks<\/title>\n<meta name=\"description\" content=\"This article shows how to provide distributed(partitioned) data management by using Oracle Coherence. 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