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Sun Microsystems 820434310 manual Index, caching Continued servlet results, 31 capacity planning

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A

Acceptor Threads, 69 access log, 64 AddrLookups, 62 application

architecture, 19 scalability, 24 tuning, 27

arrays, 27 authentication, 21 authorization, 21 automatic recovery, 60 Average Queuing Delay, 64

B

B commit option, 57 bandwidth, 94

benchmarking, tuning Solaris for, 104 best practices, 27

Buffer Length, HTTP Service, 66

C

C commit option, 57 cacheDatabaseMetaData, 120 CacheEntries, 61

caching

EJB components, 53-54message-driven beans, 48

caching (Continued) servlet results, 31 capacity planning, 24

checkpointing, 43, 119 class variables, shared, 30 Client ORB Properties, 73-74

Close All Connections On Any Failure, JDBC Connection Pool, 80

CMS collector, 85 coding guidelines, 27-29commit options, 57-58

Common Data Representation (CDR), 75 configuration tips, 31

connection hash table, 96

Connection Validation Required, JDBC Connection Pool, 80

Connection Validation Settings, JDBC Connection Pool, 79-80

connector connection pools, 80 constants, 28 container-managed relationship, 44 container-managed transactions, 38 context factory, 73

D

data device size, 107 database buffer, 110 DataBufferPoolSize, 110-111demilitarized zone (DMZ), 22

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Sun Microsystems 820434310 manual Index, caching Continued servlet results, 31 capacity planning

Contents

Sun Microsystems, Inc 4150 Network Circle Santa Clara, CA U.S.A Sun GlassFish Enterprise Server 2.1 Performance Tuning GuideThis distribution may include materials developed by third parties Contents Tuning Tips for Specific Types of EJB Components Solaris 10 Platform-Specific Tuning Information ContentsThread Pool Settings Java Virtual Machine Settings6 Tuning for High-Availability Java EE Application Model FiguresPage Performance Tuning Roadmap Tuning 64-bit Systems for Performance BenchmarkingTables Page Examples Heap Configuration on SolarisHeap Configuration on Windows Page Sun GlassFish Enterprise Server Documentation Set PrefaceContinued Default Paths and File NamesTABLE P-2 Default Paths and File Names TABLE P-1 Books in the Enterprise Server Documentation SetSymbol Conventions Symbol ConventionsTypographic Conventions The following table explains symbols that might be used in this bookIndicates menu item Documentation, Support, and TrainingThird-Party Web Site References Sun Welcomes Your Comments“Process Overview” on page Tuning“General Tuning Concepts” on page “Further Information” on page Process OverviewPerformance Tuning Roadmap Performance Tuning Sequence“Hardware Resources” on page Understanding Operational RequirementsApplication Architecture “Application Architecture” on page “Security Requirements” on pageBrowser Client-Side PresentationServer-Side Presentation Server-Side Enterprise Business Logic Information SystemUser Authentication and Authorization Security RequirementsEncryption Hardware Resources General Tuning Concepts AdministrationAdministration Guide Capacity Planning 2 Determine vertical scalability User ExpectationsTo Determine Capacity 1 Determine performance on a single CPUFurther Information Further InformationJava Programming Guidelines Tuning Your Application“Java Server Page and Servlet Tuning” on page “EJB Performance Tuning” on pageAvoid Finalizers Assign null to Variables That Are No Longer NeededDeclare Methods as final Only If Necessary Declare Constants as static finalUse DataHandlers for SOAP Attachments Java Server Page and Servlet TuningSynchronize Only When Necessary Declare Method Arguments finalHTTP Session Handling Suggested Coding PracticesGeneral Guidelines Avoid Shared Modified Class VariablesConfiguration and Deployment Tips Disable Security ManagerOptimize SSL “Tuning Tips for Specific Types of EJB Components” on page EJB Performance Tuning“Using Local and Remote Interfaces” on page “Using Special Techniques” on pageThe following is a sample of the monitoring output Monitoring Individual EJB Components General Guidelines Use High Performance BeansUse Caching Remove Unneeded Stateful Session Beans Using Local and Remote InterfacesCache and Pool Tuning Tips Use the Appropriate StubsPrefer Local Interfaces Using Pass-By-Reference SemanticsDon’t Encompass User Input Time Use XA-Capable Data Sources Only When NeededImproving Performance of EJB Transactions Use Container-Managed TransactionsVersion Consistency Using Special TechniquesConfigure JDBC Resources as One-Phase Commit Resources Use the Least Expensive Transaction AttributeOtherwise, ejbStore stores the data and completes as normal To enable request partitioning Request Partitioning2 Add the additional threadpool IDs to the Application Server’s ORB 4 Restart the Application Server Tuning Tips for Specific Types of EJB ComponentsEntity Beans Stateful Session BeansCheckpoint only when needed Stateless Session BeansRead-Only Entity Beans Refresh period Pre-fetching Container Managed Relationship CMR BeansThis clause indicates an outer join. These OrderLines are pre-fetched Close Connections JDBC and Database AccessUse JDBC Directly Encapsulate Business Logic in Entity EJB ComponentsTuning Message-Driven Beans Use getConnectionTune the Message-Driven Bean’s Pool Size Limit Use of JMS Connections Cache Bean-Specific Resources“Web Container Settings” on page “EJB Container Settings” on page Tuning the Enterprise ServerDeployment Settings “Deployment Settings” on page “Logger Settings” on pageUse Pre-compiled JavaServer Pages Logger SettingsDisable Auto-deployment Disable Dynamic Application Reloading“Session Properties Session Timeout” on page Web Container SettingsGeneral Settings Session Properties Session TimeoutManager Properties Reap Interval Disable Dynamic JSP ReloadingOverview of EJB Pooling and Caching EJB Container SettingsTuning the EJB Container Monitoring the EJB ContainerEJB Pool Settings Tuning the EJB PoolEJB Cache Settings Tuning the EJB CacheMax Cache Size Pool and Cache Settings for Individual EJB ComponentsRemoval Timeout TimeoutDetermining the best commit option Commit OptionViewing Monitoring Information Java Message Service SettingsTransaction Service Settings Monitoring the Transaction ServiceDisable Distributed Transaction Logging Tuning the Transaction Service“Monitoring the HTTP Service” on page HTTP Service SettingsMonitoring the HTTP Service Recover On Restart Automatic Recovery“DNS Cache Information dns” on page EnabledDNS Cache Information dns CacheEntries CurrentCacheEntries / MaxCacheEntriesNameLookups HitRatioCaching DNS Entries Limit DNS Lookups to AsynchronousKeep Alive keep-alive File Cache Information file-cacheConnection Queue Tuning the HTTP ServiceAccess Log “Access Log” on page “Request Processing” on pageRequest Timeout Thread CountInitial Thread Count Keep Alive Buffer LengthMax Connections Time Out DNS Lookup EnabledHTTP Protocol HTTP File CacheSmall/Medium File Size and File Size Limit Max Files CountHash Init Size Max AgeTuning HTTP Listener Settings Network AddressAcceptor Threads Monitoring the ORB ORB SettingsOverview How a Client Connects to the ORBTuning the ORB Connection StatisticsThread Pools ORB Thread Pool Parameters Tunable ORB ParametersUsing multiple connections Client ORB PropertiesControlling connections between client and server ORB Thread Pool Sizing Examining IIOP MessagesLoad Balancing Improving ORB Performance with Java Serialization Using JSG for Application Clients Thread Pool SettingsTuning Thread Pools Unix /Linux only To Enable Java SerializationResources JDBC Connection Pool SettingsTuning JDBC Connection Pools “Pool Size Settings” on page“Isolation Level Settings” on page Pool Size SettingsTimeout Settings “Timeout Settings” on pageConnection Validation Settings Isolation Level SettingsTransaction Support Connector Connection Pool Settingstransactionsupport LocalTransaction TESTPOOL asadmin create-connector-connection-pool --raname jdbcraChapter 3 Tuning the Enterprise Server connectiondefinition javax.sql.DataSourcePage “Managing Memory and Garbage Collection” on page Tuning the Java Runtime SystemJava Virtual Machine Settings “Java Virtual Machine Settings” on pageManaging Memory and Garbage Collection Tuning the Garbage Collector“Other Garbage Collector Settings” on page “Tuning the Java Heap” on page “Rebasing DLLs on Windows” on pageChoosing the Garbage Collection Algorithm 1 Make sure that the system is not using 100 percent of its CPU2 Configure HADB timeouts, as described in the Administration Guide 3 Configure the CMS collector in the server instanceTracing Garbage Collection Other Garbage Collector Settings“Guidelines for Java Heap Sizing” on page Tuning the Java Heap“Heap Tuning Parameters” on page Guidelines for Java Heap SizingXmsvalue Xmxvalue Heap Tuning ParametersSurvivor Ratio Sizing Rebasing DLLs on WindowsExample 4-2 Heap Configuration on Windows 1 Make installdir\ bin the default directory. cd installdir\binTo rebase the Application Server’s DLLs 5 Restart the Application ServerJava performance web page Frequently Asked Questions About the Java HotSpot Virtual MachineJava HotSpot VM Options Performance Documentation for the Java HotSpot VMPage “Tuning for Solaris on x86” on page Tuning the Operating System and Platform“Solaris 10 Platform-Specific Tuning Information” on page “Tuning for the Solaris OS” on page “Linux Configuration” on pageNpeakr / t MemoryDisk Space Networking“Tuning Parameters” on page “File Descriptor Setting” on page Solaris 10 Platform-Specific Tuning InformationTuning for the Solaris OS Tuning Parameterson page Sizing the Connection Hash TableFile Descriptor Setting Linux Configuration“File Descriptors” on page “IP Stack Settings” on page Tuning for Solaris onFile Descriptors IP Stack Settings“File Descriptors” on page “Virtual Memory” on page Tuning for Linux platforms“Network Interface” on page “Disk I/O Settings” on page “TCP/IP Settings” on pageVirtual Memory 2 Enable direct memory access DMA Disk I/O SettingsTCP/IP Settings To tune the TCP/IP settings2 Add the following to /etc/sysctl.conf Tuning UltraSPARC T1-Based SystemsTuning Operating System and TCP Settings 4 Reboot the systemNote that the IPGE driver version is TABLE 5-2 Tuning 64-bit Systems for Performance BenchmarkingDisk Configuration Network ConfigurationStart Options LDPRELOAD32=/usr/lib/mpss.so.1 export LDPRELOAD32 export MPSSHEAP=4M “Tuning the Enterprise Server for High-Availability” on page Tuning for High-AvailabilityTuning HADB “Tuning HADB” on pagehadbm set TotalDatadeviceSizePerNode Tuning Data Device SizePlacing HADB files on Physical Disks Memory Allocation“DataBufferPoolSize” on page “LogBufferSize” on page “Timeouts” on pagePerformance DataBufferPoolSizeLogBufferSize Tuning DataBufferPoolSizeInternalLogbufferSize Tuning LogBufferSizeNumberOfLocks Tuning InternalLogbufferSizeTuning NumberOfLocks Calculating the number of locksSummary Timeouts JDBC connection pool timeoutsLoad Balancer timeouts “Tuning Session Persistence Frequency” on page Tuning the Enterprise Server for High-AvailabilityOperating System Configuration HADB timeoutsTuning Session Persistence Frequency Web-methodTime-based modified-session Session Persistence ScopeSession Size sessionCheckpointing Stateful Session Beans Configuring the JDBC Connection PoolConfiguring the Load Balancer Enabling the Health CheckerConnection Pools” on page health-checker Page caching Continued servlet results, 31 capacity planning IndexPage Page monitoring Continued transaction service Page Sun GlassFish Enterprise Server 2.1 Performance Tuning Guide January x86 XA-capable data sources, 38-39 -Xms Xmx, 88Index