AMAZON AWS 강남 중급 모임 2017.01.12

1. Tomcat Session Clustering
► 강남 중급 모임
► 17.01.12

2. Page 2
목록
1. On-Premise 에서 사용하는 방식
2. AWS 에서 사용하는 방식
1. 지원 종류
2. 작업 순서
3. Q&A

3. Page 3
server.xml (L2 Multicast 이용한 방법)
► <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"
► channelSendOptions="6">
►
► <Manager className="org.apache.catalina.ha.session.BackupManager"
► expireSessionsOnShutdown="false"
► notifyListenersOnReplication="true"
► mapSendOptions="6"/>
► <!--
► <Manager className="org.apache.catalina.ha.session.DeltaManager"
► expireSessionsOnShutdown="false"
► notifyListenersOnReplication="true"/>
► -->
► <Channel className="org.apache.catalina.tribes.group.GroupChannel">
► <Membership className="org.apache.catalina.tribes.membership.McastService"
► address="228.0.0.4"
► port="45564"
► frequency="500"
► dropTime="3000"/>
► <Receiver className="org.apache.catalina.tribes.transport.nio.NioReceiver"
► address="10.0.1.179"
► port="4000"
► selectorTimeout="100"
► maxThreads="6"/>
►
► <Sender className="org.apache.catalina.tribes.transport.ReplicationTransmitter">
► <Transport className="org.apache.catalina.tribes.transport.nio.PooledParallelSender"/>
► </Sender>
► <Interceptor className="org.apache.catalina.tribes.group.interceptors.TcpFailureDetector"/>
► <Interceptor className="org.apache.catalina.tribes.group.interceptors.MessageDispatch15Interceptor"/>
► <Interceptor className="org.apache.catalina.tribes.group.interceptors.ThroughputInterceptor"/>
► </Channel>
►
► <Valve className="org.apache.catalina.ha.tcp.ReplicationValve"
► filter=".*.gif|.*.js|.*.jpeg|.*.jpg|.*.png|.*.htm|.*.html|.*.css|.*.txt"/>
►
► <Deployer className="org.apache.catalina.ha.deploy.FarmWarDeployer"
► tempDir="/tmp/war-temp/"
► deployDir="/tmp/war-deploy/"
► watchDir="/tmp/war-listen/"
► watchEnabled="false"/>
►
► <ClusterListener className="org.apache.catalina.ha.session.ClusterSessionListener"/>
► </Cluster>

4. Page 4
AWS 에서 지원 하는 방법
►DynamoDB
►Memcached

5. Page 5
► 참조
► http://docs.aws.amazon.com/ko_kr/sdk-for-java/v1/developer-guide/java-dg-tomcat-session-manager.html
► https://aws.amazon.com/ko/blogs/developer/amazon-dynamodb-session-manager-for-apache-tomcat
► 조건
► Tomcat 8.0.x
► http://apache.mirror.cdnetworks.com/tomcat/tomcat-8/v8.0.39/bin/apache-tomcat-8.0.39.tar.gz
► aws-dynamodb-session-tomcat-2.0.4.jar
► https://github.com/aws/aws-dynamodb-session-tomcat/releases
► https://github.com/aws/aws-dynamodb-session-tomcat/releases/download/v2.0.4/aws-dynamodb-session-tomcat-2.0.4.jar
► 순서
► IAM 생성 Tomcat DynamoDB 접속용 계정 생성
► 2대의 EC2 에 Tomcat 8 설치
► aws-dynamodb-session-tomcat-2.0.4.jar 다운로드
► Tomcat 8 context.xml 수정 (다음 페이지)
► Load Balancing (ALB or ELB) 생성 및 설정 추가
► Target Groups 에 stickiness 설정 하기
► DynamoDB 테이블 생성
► Table Name : Tomcat_SessionState
► Primary partition key : sessionId (String)
► Tomcat 8 시작 및 확인
► http://$alb-address/sesstion.jsp 세션 생성
► http://$alb-address/manager 세션 확인
► DynamoDB 세션 확인
► 작업 내역
► https://www.youtube.com/playlist?list=PLzMxB6D1eypLGDDTQj62EQoXz2vQ1xY2S
DynamoDB 이용하는 방법

6. Page 6
► <Manager
► className="com.amazonaws.services.dynamodb.sessionmanager.DynamoDBSessionManager"
► awsAccessKey=“$IAM_ACCESS_KEY"
► awsSecretKey=" $IAM_SECRET_KEY "
► table=“Tomcat_SessionState"
► regionId="ap-northeast-2"
► createIfNotExist="true" />
/home/ec2-user/apps/tomcat/conf/context.xml

7. Q&A