PERFORMANCE TUNING TRAINING

we are offering Performance Tuning Training in more practical way. Ducat Performance Tuning trainers offers Performance Tuning in Classroom training,Performance Tuning Corporate Training services. We framed our syllabus to match with the real world requirements for both beginner level to advanced level.

Elements of Monitoring and Tuning

• Monitoring vs Profiling
• Whole system view
• Before tuning kernel
• Kernel Tunables
• Using system documentation

Simple Network Monitoring

• SNMP
• Management Information Base
• Installing SNMP
• Using SNMP for queries
• Configuring SNMP client
• Enabling SNMP agents
• Profiling SNMP host access controls

Graphical Reporting

• MRTG
• Configuring MRTG
• Ad-hoc utilities
• iostat and sar
• Awk
• Using Gnuplot
• Creating custom script

Kernel Level Profiling

• Installing OProfile
• Installing kernel-debuginfo
• OProfile Architecture
• System Tap
• System Tap Scripts
• stap command
• staprun command

Queuing Theory

• Introduction to Queuing Theory
• Little’s Law
• Queue Length
• Wait Time
• Finding hot spot in codes
• Arrival rate vs completion rate
• Predicting system-wide limits
• Predicting resource limits

Physical Disk Characteristics

• Physical factors affecting disk IO
• Disk storage density
• Block IO request and cache effect
• Tuning sequential read access
• Tuning the disk queue
• Tuning deadline scheduler
• Tuning anticipatory scheduler
• Tuning noop scheduler
• Tuning cfq scheduler
• Physical block device interface
• Virtual block devices

Reducing Disk Visit Count

• Virtual File System (VFS)
• Fragmentation
• Viewing fragmentation
• Tuning fragmentation
• Filesystem limits
• Journaling
• Improving journal performance
• Tuning journal performance
• Lock contention
• Chunk size
• Calculating filesystem stride
• Tuning RAID

Processes and Scheduler

• Types of CPU cache
• Locality of reference
• Improving locality of reference
• Tuning scheduler policy
• Viewing CPU performance data

Kernel Timing and Process Latency

• Tuning system ticks
• Tuning processor speed
• IRQ balancing
• Tuning IRQ affinity
• Equalizing CPU visit count
• Hot-plugging CPUs
• Virtual CPUs
• Tuning VCPUs at domain creation
• Tuning VCPU affinity

Memory Addressing and Allocation

• Overview of memory addressing
• Virtual disk space
• Viewing and Tuning process address space
• Physical address space
• Overview of memory allocation
• Improving RAM performance
• Improving MMU performance
• Improving NUMA performance
• Improving TLB performance
• Viewing System calls
• Virtual domain memory
• Recovering unassigned memory

Memory Cache

• Tuning page allocation
• Tuning overcommit
• Slab cache
• ARP cache
• Tuning ARP cache
• Page cache
• Tuning page cache
• Anonymous pages

Memory Reclamation

• Page status
• Calculating dirty and clean memory
• Reclaiming dirty pages
• Tuning pdflush
• Out of memory killer
• Tuning OOM policy
• Detecting memory leaks
• Understanding swap
• Improving swap performance
• Tuning swappiness
• Tuning swap size
• Tuning swap for think time
• Tuning swap visit count
• Monitoring memory usage

Essential Network Tuning

• Calculating per-socket buffer size
• Tuning core buffer size
• Tuning TCP buffer size
• Tuning DMA buffer size
• Tuning fragmentation buffers
• Network interrupt handling
• Network sockets
• TCP sockets
• Tuning TCP socket creation