X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;ds=sidebyside;f=docs%2Fmemcached_behavior.pod;h=b3cf33ad4190ee85d35dc9de11b86d6b70002f21;hb=b175c6025c67cb8fa756750d53fb96fd888076de;hp=2e0240afbe4c0c88a9463e22267739dc79f3543e;hpb=55b5455291498ef63c1c34976552d58708a74732;p=m6w6%2Flibmemcached diff --git a/docs/memcached_behavior.pod b/docs/memcached_behavior.pod index 2e0240af..b3cf33ad 100644 --- a/docs/memcached_behavior.pod +++ b/docs/memcached_behavior.pod @@ -211,11 +211,11 @@ other objects (on the 'n' next servers specified in your server list). =item MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ -Allows randomizing the replica reads starting point. Normally the read is +Allows randomizing the replica reads starting point. Normally the read is done from primary server and in case of miss the read is done from primary -+ 1, then primary + 2 all the way to 'n' replicas. If this option is set ++ 1, then primary + 2 all the way to 'n' replicas. If this option is set on the starting point of the replica reads is randomized between the servers. -This allows distributing read load to multiple servers with the expense of +This allows distributing read load to multiple servers with the expense of more write traffic. =item MEMCACHED_BEHAVIOR_CORK @@ -224,9 +224,16 @@ Enable TCP_CORK behavior. This is only available as an option Linux. MEMCACHED_NO_SERVERS is returned if no servers are available to test with. MEMCACHED_NOT_SUPPORTED is returned if we were not able to determine if support was available. All other responses then MEMCACHED_SUCCESS -report an error of some sort. This behavior also enables +report an error of some sort. This behavior also enables MEMCACHED_BEHAVIOR_TCP_NODELAY when set. +=item MEMCACHED_BEHAVIOR_KEEPALIVE + +Enable TCP_KEEPALIVE behavior. + +=item MEMCACHED_BEHAVIOR_KEEPALIVE_IDLE + +Specify time, in seconds, to mark a connection as idle. This is only available as an option Linux. =item MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE @@ -240,6 +247,26 @@ Find the current size of SO_RCVBUF. A value of 0 means either an error occured or no hosts were available. It is safe to assume system default if this occurs. +=item MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT + +This number of times a host can have an error before it is disabled. + +=item MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS + +If enabled any hosts which have been flagged as disabled will be removed +from the list of servers in the memcached_st structure. This must be used +in combination with MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT. + +=item MEMCACHED_BEHAVIOR_RETRY_TIMEOUT + +When enabled a host which is problematic will only be checked for usage +based on the amount of time set by this behavior. + +=item MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY + +When enabled the prefix key will be added to the key when determining +server by hash. + =back =head1 RETURN