System Performance Tuning2002
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Samba, NFS and sar command disk partition statistics enabling inode cache monitoring memory monitoring NFS buffer cache records, reviewing swap space monitoring SASI (Shugart Associates System Interface) SBus (Sun) architecture burst transfer size clock speed interrupt processing transfer mode SC connectors scalability, networks scheduling classes listing SCSI (Small Computer System Interface) bus transactions bus utilization command queuing compared to IDE different speed devices, mixing differential signaling disk caches implementations multi-initiator synchronous compared to asynchronous transfers termination SCSI-3 SDRAM (synchronous DRAM) SE Toolkit software Second Extended Filesystem (ext2fs) sectors seek time (disks), reducing segments, virtual memory send buffer (TCP) sequence number (TCP headers) sequential access (disks) RAID disk striping serial member write policies (disk mirroring) serial-optical coupler (SOC), Fibre Channel bus connections servers NFS monitoring with nfsstat tuning types of proxy TCP/IP web disks filesystems kernel memory network sizing swap space workgroup disks and filesystems and kernel and memory and NFS and swap space and session layer (OSI model) shells , user limits on resources Shugart Associates System Interface (SASI) signal degradation, repeaters and single-mode fiber (SMF) size of slave ports sleep state (threads) slow start algorithm (TCP) Small Computer System Interface [See SCSI] SMF (single-mode fiber) SMP (symmetric mulitprocessor) systems, process scheduling SOC (serial-optical coupler), Fibre Channel bus connections soft real-time process scheduling software [See also applications] irqtune, Linux interrupt adjustments Linux md package RAID array management SE Toolkit Solstice DiskSuite 2nd Solaris cyclic caching disk bottlenecks, locating disk quotas, enabling filesystem logging filesystems, tmpfs fsflush command interrupts kernel variable tuning memory addressing limitations memory page size, determining memory requirements, determining page coloring algorithms performance accounting software priority paging process accounting, enabling process scheduling processor load, vmstat command remote swapfiles swap space, displaying status swapfiles, creating threading model TNF argument types inserting probes uax command, process memory consumption ufs write throttling vnodes Solstice DiskSuite filesystem logging RAID array management SPARC processors LDSTUB instructions memory page size SPARC V9 instruction set spatial locality, caches SPEC benchmarks SPECweb99 benchmark speed optimized RISC processors speed, attitude and requirements in modern world spin locking spindle spindle synchronization 2nd SRAM (static random access memory) ST connectors stacks stalling (piplining) state database (Solstice DiskSuite) static interrupt distribution (Solaris) static performance tuning hardware failures and static priority static random access memory (SRAM) step-index multimode fiber sticky bit storage-area networking store-and-forward switches STREAM memory benchmarking tool strength reduction (arithmetic optimization) string controllers, IPI-2 string optimization string searching algorithms string utilization, SCSI stripe unit size, selecting stripe width (RAID arrays) striping disks Linux md package Solaris DiskSuite submirrors submirrors (RAID arrays) subnet masks subnetting alternatives to Sun E-series processors Fireplane Gigaplane XB crossbar I-series processors MBus architecture microSPARC processors, memory page size SBus architecture burst transfer size clock speed interrupt processing transfer mode Solstice DiskSuite software 2nd SPARC processors, memory page size SuperSPARC processors, memory page size UltraSPARC processors, memory page size UltraSPARC-III architecture VIS extensions XBus architecture superpipelined processors superscalar processors 2nd SuperSPARC processors, memory page size swapfiles, creating (Solaris) swapping compared to paging disk problems and swap space anonymous memory monitoring optimizing sizing tuning, single-user workstations web servers workgroup servers and Unix mechanism switches (networks) SYN bit (TCP) SYN flooding (denial-of-service attacks) synchronous data transfers, SCSI synchronous DRAM (SDRAM) synchronous writes (disks) system file, persisting maxpgio value changes system time (processor) System V model (process scheduling) systems administrator, responsibilities compared to network administrator
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