X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=docs%2Fmemcached_behavior.pod;h=b1545534e70e9f07c6251b51ca007263185c009f;hb=ea724d6626f82e2f6a26222b08725fbe88cb1939;hp=55e82d8d2d7f7032283d73f45b1bd2cc1717e144;hpb=c11af7ccccd3260444da4f575022de655d2ffc26;p=m6w6%2Flibmemcached diff --git a/docs/memcached_behavior.pod b/docs/memcached_behavior.pod index 55e82d8d..b1545534 100755 --- a/docs/memcached_behavior.pod +++ b/docs/memcached_behavior.pod @@ -47,9 +47,30 @@ available. Turns on the no-delay feature for connecting sockets (may be faster in some environments). -=item MEMCACHED_BEHAVIOR_MD5_HASHING +=item MEMCACHED_BEHAVIOR_HASH + +Makes the default hashing algorithm for keys use MD5. The value can be set to either MEMCACHED_HASH_DEFAULT, MEMCACHED_HASH_MD5, MEMCACHED_HASH_CRC, MEMCACHED_HASH_FNV1_64, MEMCACHED_HASH_FNV1A_64, MEMCACHED_HASH_FNV1_32, MEMCACHED_HASH_FNV1A_32, MEMCACHED_HASH_KETAMA. The behavior for all hashes but MEMCACHED_HASH_DEFAULT is identitical to the Java driver written by Dustin Sallings. + +=item MEMCACHED_BEHAVIOR_DISTRIBUTION + +Using this you can enable different means of distributing values to servers. +The default method is MEMCACHED_DISTRIBUTION_MODULA. You can enable +consistent hashing by setting MEMCACHED_DISTRIBUTION_CONSISTENT. +Consistent hashing delivers better distribution and allows servers to be +added to the cluster with minimal cache losses. + +=item MEMCACHED_BEHAVIOR_CACHE_LOOKUPS + +Memcached can cache named lookups so that DNS lookups are made only once. + +=item MEMCACHED_BEHAVIOR_SUPPORT_CAS + +Support CAS operations (this is not enabled by default at this point in the server since it imposes a slight performance penalty). + +=item MEMCACHED_BEHAVIOR_POLL_TIMEOUT + +Modify the timeout value that is used by poll(). The default value is -1. An signed int pointer must be passed to memcached_behavior_set() to change this value. For memcached_behavior_get() a signed int value will be cast and returned as the unsigned long long. -Makes the default hashing algorithm for keys use MD5. =back