HP-UX performance and tuning

Audience

Experienced HP-UX system administrators

Prerequisites

• HP-UX System and Network Administration I (H3064S) and HP-UX System and Network Administration II (H3065S) or equivalent experience.
• Inside the HP-UX Operating System (H5081S) is advantageous.

Ways to save

Benefits to you

• Effectively utilize the range of performance tools that are available to you.
• Learn how to regularly monitor your systems and quickly recognize problems.
• Optimize your systems by identifying and removing performance bottlenecks.
• Effectively allocate resources (such as CPU, memory, disk I/O bandwidth) among your critical and lower priority users and applications.
• Deliver a guaranteed level of application performance to your end users.

Course outline

• Introduction
• System performance
• Performance problems and bottlenecks
• Baseline
• Queuing theory of performance
• Performance tools
• Standard and HP-specific UNIX performance monitoring tools
• Standard and HP-specific UNIX data collection tools
• Standard and HP-specific UNIX network performance tools
• Standard and HP-specific UNIX performance administrative tools
• Process Resource Manager (PRM) and Web Quality of Service (WebQoS)
• Standard and HP-specific UNIX system configuration tools
• Standard and HP-specific UNIX application profiling and monitoring tools
• GlancePlus
• Glance character mode interface
• gpm graphical user interface
• Process information
• Adviser components
• GlancePlus data flow and usage tips
• Global, application, and process data
• Process management
• The HP-UX operating system
• Virtual address process space
• Physical process components
• Life cycle of a process and process states
• CPU scheduler
• Context switching, priority queues and time share
• Parent-child process relationship
• CPU management
• Processor module
• Symmetric multiprocessing
• CPU processor
• CPU and TLB cache
• TLB, Cache, and Memory
• HP-UX 11.00 performance optimized page sizes
• CPU metrics to monitor system-wide and per process
• glance reports and timex command
• Activities that utilize the CPU
• Tuning a CPU-bound system
• Processor affinity
• Memory management
• Paging and process deactivation
• The buffer cache
• The syncer daemon
• IPC memory allocation
• Memory metrics and monitoring
• Tuning a memory-bound system
• PA-RISC access control
• Swap space performance
• Swap space management
• Swap space after a new process executes
• When memory equals data swapped or when swap fills up
• Pseudo swap and total swap space calculation
• Swap priorities, chunks and parameters
• Disk performance
• Disk I/O read and write data flow
• Disk metrics to monitor
• Disk I/O monitoring using sar, bdf and glance
• Tuning a disk I/O-bound system
• HFS file system performance
• Hierarchical File System (HFS)
• Inode structure and data block pointers
• File system blocks and fragments
• Tuning an HFS file system
• VxFS performance issues
• Journaled File System (JFS) history
• JFS extents and extent allocation policies
• JFS intent log and log data flow
• Understand your I/O workload
• Performance parameters set during and after file system creation
• Choosing block size and intent log size
• Choosing mount options
• Monitoring and repairing file fragmentation
• I/O tunable parameters
• Tuning JFS block prediction
• NFS performance
• NFS within the OSI model
• NFS read/write data flow
• NFS packet processing
• biod on client
• Determining the server and client workload
• NFS monitoring
• Tuning NFS: server, client and network
• Tuneable kernel parameters
• Tuning the kernel and kernel parameters
• Putting it all together
• Review of bottleneck characteristics
• Performance monitoring flow chart
• Memory, disk and CPU memory bottlenecks