git.m6w6.name Git - awesomized/libmemcached/blob - libmemcached/constants.rst

   1 libmemcached Constants and Defaults
   2 ===================================
   3
   4 SYNOPSIS
   5 --------
   6
   7 #include <libmemcached-|libmemcached_version|/memcached.h>
   8   Compile and link with -lmemcached
   9
  10 .. c:macro:: LIBMEMCACHED_VERSION_STRING
  11
  12     String value of libmemcached version such as "|release|"
  13
  14 .. c:macro:: LIBMEMCACHED_VERSION_HEX
  15
  16     Hex value of the version number, e.g. "0x00048000".
  17     This can be used for comparing versions based on number.
  18
  19
  20 .. c:macro:: MEMCACHED_DEFAULT_PORT
  21
  22     The default port used by `memcached`.
  23
  24 .. c:macro:: MEMCACHED_DEFAULT_TIMEOUT
  25
  26     Default timeout of 5000 milliseconds.
  27
  28 .. c:macro:: MEMCACHED_DEFAULT_CONNECT_TIMEOUT
  29
  30     Default connect timeout of 4000 milliseconds.
  31
  32
  33 .. c:macro:: MEMCACHED_MAX_BUFFER
  34
  35     Default size of read/write buffers (which includes the null pointer).
  36
  37 .. c:macro:: MEMCACHED_MAX_KEY
  38
  39     Default maximum size of a key (which includes the null pointer). Master keys
  40     have no limit, this only applies to keys used for storage.
  41
  42 .. c:macro:: MEMCACHED_MAX_NAMESPACE
  43
  44     Maximum length allowed for namespacing of a key. Defaults to 128.
  45
  46
  47 .. c:macro:: MEMCACHED_MAX_HOST_LENGTH
  48
  49     Maximum allowed length of the hostname.
  50
  51 .. c:macro:: MEMCACHED_MAX_HOST_SORT_LENGTH
  52
  53     Length of the host string used for sorting. Used for Ketama.
  54
  55 .. c:macro:: MEMCACHED_MAX_INTEGER_DISPLAY_LENGTH
  56
  57     Maximum display width of an integer represented as string.
  58
  59
  60 .. c:macro:: MEMCACHED_CONTINUUM_ADDITION
  61
  62     How many extra slots we should build for in the continuum, defaults to 10.
  63
  64 .. c:macro:: MEMCACHED_EXPIRATION_NOT_ADD
  65
  66     Value ``0xffffffffU``
  67
  68 .. c:macro:: MEMCACHED_STRIDE
  69
  70     This is the "stride" used in the consistent hash used between replicas.
  71
  72
  73 .. c:macro:: MEMCACHED_SERVER_FAILURE_LIMIT
  74
  75     Value 5
  76
  77 .. c:macro:: MEMCACHED_SERVER_FAILURE_RETRY_TIMEOUT
  78
  79     Value 2
  80
  81 .. c:macro:: MEMCACHED_SERVER_FAILURE_DEAD_TIMEOUT
  82
  83     Value 0
  84
  85
  86 .. c:macro:: MEMCACHED_VERSION_STRING_LENGTH
  87
  88     Value 24
  89
  90 DESCRIPTION
  91 -----------
  92
  93 These compile time defaults are provided by `libmemcached` for convenience.