Introduction to HP-UX Kernel Tuning - OpenMPE

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nproc, maxuprc - processes •nproc = max number of processes − proc: table is full •maxuprc = max processes per UID − collective UID processes, not per login 16
maxdsiz - data segment • Maximum data segment size • Both default <strong>to</strong> 256 megs (was 64 megs) • Set <strong>to</strong> apx. 900 megs or 1750 megs • no kernel size penalty (just a fence for runaways) • maxdsiz could be 3.75Gb (SAM=2Gb) • maxdsiz_64bit max is 4 Tb • exec_magic notes (/usr/share/docs) • NOTE: maxdsiz_64 must be greater than maxdsiz 17
Page 1 and 2: Introduction to HP-UX Kernel Tuning
Page 3 and 4: Vocabulary • Kernel file −/stan
Page 5 and 6: Filesystem Parameters • nfile, nf
Page 7 and 8: nflocks - max file locks • Maximu
Page 9 and 10: ncdnode • In-core cache of unique
Page 11 and 12: maxfiles, maxfiles_lim • Single p
Page 13 and 14: default_disk_ir - immediate reporti
Page 15: Process Parameters • nproc, maxup
Page 19 and 20: maxtsiz - text size • Unchanging
Page 21 and 22: Virtual Memory (swap) • maxswapch
Page 23 and 24: nswapdev, nswapfs • nswapdev - ma
Page 25 and 26: swapmem_on RAM 1 Gb SWAP 500 meg sw
Page 27 and 28: swapmem_on RAM 1 Gb SWAP 500 meg sw
Page 29 and 30: Some last tips • Web help: http:

Introduction to HP-UX Kernel Tuning - OpenMPE

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