X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=docs%2Fmemcached_behavior.pod;h=eea908919a0bf6bfd272d457ff6c03258d5a7c58;hb=9c7e4d791a127f8ae46aaddc531319da1f34b5ba;hp=f59150f1751f5ef7265614a65eafc9a6a44f6a3e;hpb=e42302e08fa4d04cb21eaf7493f5f92b11169c03;p=m6w6%2Flibmemcached diff --git a/docs/memcached_behavior.pod b/docs/memcached_behavior.pod index f59150f1..eea90891 100644 --- a/docs/memcached_behavior.pod +++ b/docs/memcached_behavior.pod @@ -211,13 +211,57 @@ 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 + +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 +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 + +Find the current size of SO_SNDBUF. 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_SOCKET_RECV_SIZE + +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. + =back =head1 RETURN