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nscd.conf (5)
  • nscd.conf (4) ( Solaris man: Специальные файлы /dev/* )
  • >> nscd.conf (5) ( FreeBSD man: Форматы файлов )
  • nscd.conf (5) ( Русские man: Форматы файлов )
  • nscd.conf (5) ( Linux man: Форматы файлов )

  • BSD mandoc
     

    NAME

    
    
    nscd.conf
    
     - nscd configuration file
    
     
    

    DESCRIPTION

    The file is used by the nscd(8) daemon and is read on its startup. Its syntax is mostly similar to the nscd.conf syntax in Linux and Solaris It has some differences, though [em] see them below.

    Each line specifies either an attribute and a value or an attribute, a cachename and a value Usual cachenames are ``passwd '' ``groups '' ``hosts '' ``services '' ``protocols '' and ``rpc '' You can also use any other cachename (for example, if some third-party application uses nsswitch).

    threads [value ]
    Number of threads, which would listen for connections and process requests. The minimum is 1. The default value is 8.
    enable-cache [cachename [yes | no ] ]
    Enables or disables the cache for specified cachename
    positive-time-to-live [cachename [value ] ]
    Sets the TTL (time-to-live) for the specified cache in seconds. Larger values can increase system's performance, but they also can affect the cache coherence. The default value is 3600.
    positive-policy [cachename [fifo | lru | lfu ] ]
    The policy that is applied to erase some of the cache elements, when the size limit of the given cachename is exceeded. Possible policies are: fifo (first-in-first-out), lru (least-recently-used), and lfu (least-frequently-used). The default policy is lru
    negative-time-to-live [cachename [value ] ]
    The TTL of the negative cached elements in seconds. The larger values can significantly increase system performance in some environments (when dealing with files with UIDs, which are not in system databases, for example). This number should be kept low to avoid the cache coherence problems. The default value is 60.
    negative-policy [cachename [fifo | lru | lfu ] ]
    The same as the positive-policy, but this one is applied to the negative elements of the given cachename The default policy is fifo.
    suggested-size [cachename [value ] ]
    This is the internal hash table size. The value should be a prime number for optimum performance. You should only change this value when the number of cached elements is significantly (in 5-10 times) greater then the default hash table size (255).
    keep-hot-count [cachename [value ] ]
    The size limit of the cache with the given cachename When it is exceeded, the policy will be applied. The default value is 2048.
    perform-actual-lookups [cachename [yes | no ] ]
    If enabled, the nscd(8) does not simply receive and cache the NSS-requests results, but performs all the lookups by itself and only returns the responses. If this feature is enabled, then for the given cachename nscd(8) will act similarly to the NSCD.

    NOTE this feature is currently experimental [em] it supports only ``passwd '' ``groups '' and ``services '' cachenames.

     

    NOTES

    You can use the `#' symbol at the beginning of the line for comments.  

    FILES

    /etc/nscd.conf

     

    SEE ALSO

    nscd(8)  

    AUTHORS

    An Michael Bushkov Aq bushman@freebsd.org  

    BUGS

    Please send bug reports and suggestions to Aq bushman@freebsd.org .


     

    Index

    NAME
    DESCRIPTION
    NOTES
    FILES
    SEE ALSO
    AUTHORS
    BUGS


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