Caché Installation Guide - InterSystems Documentation

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Calculating System Parameters for UNIX and Linux Kernel Parameter SEMMSL SHMALL SHMMNI SHMSEG SHMMAX Minimum Recommended Value See SEMMNI 60 KB or ... 1000 + total global buffer space+ total routine buffer space * 3 3 60 KB or ... 1000 + total global buffer space+ total routine buffer space Definition Maximum number of semaphores per identifier list. Maximum total shared memory system-wide. Units should be in KB. 1000 represents the MCOMMON shared region. Maximum number of shared memory identifiers system-wide. Number of attached shared memory segments per process. Maximum shared memory segment size in KB. * This is the minimum value for SHMALL required for Caché UNIX. You must also take into account any other applications that use shared memory. If you are unsure of other shared memory use, calculate SHMALL as SHMSEG multiplied by SHMMAX, in pages; this larger value will suffice in all cases. Important: Enough swap space must be created to support the memory allocated, unless the operating system documentation explicitly state otherwise. On certain operating systems (Solaris, for example) Caché creates “locked shared memory segments” , which are not pageable. However these memory segments still need swap space unless the operating system documentation states otherwise. B.2.2 Platform Configuration Issues The following sections contain configuration issues for some individual platforms. For more information, consult the system documentation for your platform. • Tru64 UNIX Platform Notes • HP-UX Platform Notes • AIX Platform Notes • Red Hat Linux Platform Notes 76 Caché Installation Guide
Configure UNIX Kernel Parameters • Sun Solaris Platform Notes • SUSE Linux Platform Notes B.2.2.1 Tru64 UNIX Platform Notes For the Tru64 UNIX supported releases, set the following kernel parameters to the size of all the shared memory to allocate (including space allocated for the buffer pool, routine buffers, and other data structures): • shm_max • per_proc_address_space • max_per_proc_address_space The following parameters are not implemented: • MSGMAX • MSGMNI • NCALL • SEMMNI • SEMMNS • SEMMSL • SHMALL • SHMMNI SMMAX and SMSEG are referred to as SHMMAX and SHMSEG, respectively. The sysconfig -q subsystem [attribute] command displays the current values for the attributes of the specified subsystem, or the particular attribute specified. See the Tru64 UNIX documentation entry for sysconfig(8) for more information. For example: Caché Installation Guide 77
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Caché Installation Guide Version 5
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Table of Contents Introduction ....
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A.1.2 How OpenVMS Measures Process
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List of Tables Caché Custom Compon
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Introduction Note: The InterSystems
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Upgrading Caché For upgrading from
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2 Installing Caché on Microsoft Wi
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Caché Installation 2.1.4 Installat
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Caché Installation • Unicode —
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it only installs the private CSP ga
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Component Web Server Gateway (CSP)
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Special Considerations Code DEU ENU
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