what is the session persistence in websphere application server

Session Persistence:-

In WebSphere application server session can be persistence in two ways

1.Memory to Memory session persistence:- session will be store in the application server heap memory. in case crash of any server the all those session will be shift in another server and request will be route by another server.

Advantage:- its provide the fast performance
Disadvantage:- session can be lost in case of server crash also consume more memory


2.Database:- In database type session persistence all the session will be store in the database

Advantage :-  session information can not be lost.
Disadvantage:- performance can be little slow than memory to memory.


Comments

Post a Comment

Popular posts from this blog

ERROR: Port values must be a positive integer between 0 and 65535. while install IBM Http Server 8.5.5

While Installing IBM Http server in Exception coming. [root@localhost IHS]# /WebSphere8.5/IM/InstallationManager/eclipse/tools/imcl install  com.ibm.websphere.IHSILAN.v85_8.5.5000.20130514_1044 - repositories /root/Desktop/Data/IHS_and_PluginSetup/IHS/repository.config -acceptLicense -showProgress                  25%                50%                75%                100% ------------------|------------------|------------------|------------------| ............................................................................ ERROR: Port values must be a positive integer between 0 and 65535. Solution to fix. Run Command Like this :-   [root@localhost IHS]# /WebSphere8.5/IM/InstallationManager/eclipse/tools/imcl install  com.ibm.websphere.IHSILAN.v85_8.5.5000.20130514_1044 -repositories /root/De...
Read more

How to remove the node from the deployment manager profile

Execute the below command to un-federate the profile from the dmgr Run this command from the bin directory of federated node. [root@localhost bin]# pwd /opt/IBM/WebSphere/AppServer/profiles/Custom01/bin [root@localhost bin]# ./removeNode.sh  ADMU0116I: Tool information is being logged in file            /opt/IBM/WebSphere/AppServer/profiles/Custom01/logs/removeNode.log ADMU0128I: Starting tool with the Custom01 profile ADMU2001I: Begin removal of node: localhostNode02 ADMU0009I: Successfully connected to Deployment Manager Server: localhost:8879 ADMU0505I: Servers found in configuration: ADMU0506I: Server name: nodeagent ADMU2010I: Stopping all server processes for node localhostNode02 ADMU0512I: Server nodeagent cannot be reached. It appears to be stopped. ADMU2021I: Removing all servers on this node from all clusters in the cell. ADMU2014I: Restoring original configuration. ADMU2017I: The local original configuratio...
Read more

What is clean start in websphere application server

For doing clean start / stop we follow some step. 1.First we take the jvm or clone to down. ---------------------------------------------------------------------   For taking the clone down we issue this command Command :- D:\IBM\WebSphere\AppServer\ AppSrv01\ bin>stopServer.bat  server1 ADMU0116I: Tool information is being logged in file            D:\IBM\WebSphere\AppServer\profiles\AppSrv01\logs\server1\stopServer. log ADMU0128I: Starting tool with the AppSrv01 profile ADMU3100I: Reading configuration for server: server1 ADMU3201I: Server stop request issued. Waiting for stop status. ADMU4000I: Server server1 stop completed. 2. Delete three directory under the profile root. Path : -   D:\IBM\WebSphere\AppServer\profiles\AppSrv01 These are files name .  temp , wstemp , tranlog Issue the below command to delete the directory Command :-    rm  -rf  temp wstemp  tran...
Read more