Detailed petition memcache PHP function

Memcache library is in PECL (PHP Extension Community Library), the main role is to establish large-capacity memory transient data warehouse area, reflected in the role of dispensed quite clear while, or not suggested. memcache data width is aided to 524288 (512K), the memories cache is concerned, this width is adequate for the
in memcached: error meantime loading shared libraries: libevent-1.4.so.2: cannot open shared object file: No such file or directory
by:
sudo ln-s / usr/local/lib/libevent-1.4.so.2 / usr/lib/libevent-1.4.so.2
can fix this BUG
was built through the new
the memcached module to install php,Supra Shoes UK, cancellation / etc/php5/conf.d/memcached.ini inside the
implementation:
/ usr / regional / bin / memcached-d-m 10-u root-l 127.0.0.1-p 11211-c 256-P / tmp / memcached.pid
memcached service was officially fired
Basic Options
attention

-p listening TCP port (default: 11211)
-d to run in daemon mode Memcached
-u account running Memcached, non-root user
-m largest memory usage,Supra Pilot Shoes, the element is MB, the default is 64 MB
Soft
-c the number of connections, default is 1024
-v Output warnings and error messages
-vv print client's apply and return information
-h Print assist information
-i publish memcached and libevent license message

run Memcached

goal: using 11211 port, hualiangxie consumers, the largest occupation of 512M memory, 1024 soft-connected, the output consumer requests to run in daemon mode to run the port
Memcache:: add - add a value, if it already exists, it returns false
Memcache:: addServer - add a server address available
Memcache:: close - close a Memcache object
Memcache:: connect - to create a Memcache object
memcache_debug - control debugging
Memcache:: decrement - a key to the preservation of the merits ​​in the subtraction action
Memcache:: delete - Delete a key value
Memcache:: flush - Clears all cached data
Memcache:: get - to get a key value
Memcache:: getExtendedStats - Get all processes running in the pond process system statistics
Memcache:: getServerStatus - the parameters for running the server
Memcache:: getStats - return the server to run some statistical information
Memcache:: getVersion - Return version information to run the Memcache
Memcache:: increment - a key in the preservation The value addition operation
Memcache:: pconnect - create a persistent connection Memcache object
Memcache:: replace - R on an existing key to override the operation
Memcache:: set - add a value If already exists, overwrite
Memcache:: setCompressThreshold - larger than a certain size of data compression
Memcache:: setServerParams - modify the server at run-time parameters
proposed object-oriented reach to test the library:
view plainprint?
connect ('localhost',Supra Trainers, 11211) or die (not connect ;
?>
connect ('localhost', 11211) or die (version = $ memcache-> getVersion (); echo
Memcache:: getStats method is used to return some of the server operating statistics. Memcache:: getStats method has three parameters, the first parameter indicates the type required to return to: reset, malloc, maps, cachedump, slabs, items, sizes; the second argument and third argument is the first parameter is set to Memcache:: getExtendedStats method is used for all processes running in the pool process system statistics.
view plainprint?
connect ('localhost', 11211) or die (not connect [pid] => 8052
* [uptime] => 9205
* [period] => 1205898428
* [version] => 1.2.5
* [pointer_size] => 32
* [rusage_user] => 0.008000
* [rusage_system] => 0.000000
* ; [curr_items] => 1
* [total_items] => 17
* [ ,],[> * [connection_structures] => 3
* [cmd_get] => 9
* [cmd_set] => 23
* [get_hits] => 5
* [get_misses] = > 4
* [evictions] => 0
* [bytes_read] => 671
* ; [bytes_written] => 850
* [limit_maxbytes] => 10485760
* ; [threads] => 1
*)
* /
?>
connect ('localhost', 11211) or dead (> 8052 * [uptime] => 9205 * [time] => 1205898428 * [version] => 1.2.5 * [pointer_size] => 32 * [rusage_user] => 0.008000 * [rusage_system] => 0.000000 * [curr_items] => 1 * [total_items] => 17 * [bytes] => 57 * [curr_connections] => 2 * [total_connections] => 15 * [connection_structures] => 3 * [cmd_get] => 9 * [cmd_set] => 23 * [get_hits] => 5 * [get_misses] => 4 * [evictions] => 0 * [bytes_read] => 671 * [bytes_written] => 850 * [limit_maxbytes] => 10485760 * [threads] => 1 *) * /?>
Memcache:: connect method is used to establish a Memcache thing. Memcache:: pconnect method is used to create a consistent connection Memcache object. Memcache:: close method is used to close a Memcache object.
Memcache:: set method is used to multiplication a value,2011 Supra Shoes, Memcache:: set method has 4 parameters, the premier parameter is the key, the second parameter is the value, the optional third parameter to denote whether to abbreviate retention, The fourth parameter is optional, is used to set an expiration time to self-destruct. Memcache:: add methods of the character and Memcache:: set is alike, except namely if the Memcache:: add method return value is artificial, that the key yet exists, and Memcache:: set method is directly overwritten. Memcache:: obtain method is used to get a key value, Memcache:: get method has a parameter namely represents the key. Memcache:: replace method is used for a key to override the existing operation, Memcache:: replace method has 4 parameters, roles and Memcache:: set method is the same. Memcache:: delete method is used to delete a key value, Memcache:: delete method has 2 parameters, premier parameter indicates the key, the second parameter is optional, that cleared the lag.
view plainprint?
replace ('name', 'lion', 0, 300);
reverberate $ memcache-> get ('name');
$ memcache-> delete ('name', 5);
?>
connect ('localhost', 11211) or die (, 'susan', 0, 30)) echo 'susan is exist';; $ memcache-> replace ('name',Supra Skytop II Shoes, 'lion', 0, 300); echo $ memcache-> get ('name'); $ memcache-> delete ('name', 5);?>
memcache_debug () function is to control the debugging traits, catered that at compile php When to use the enable-debug option, otherwise this function will not go.
Memcache:: addServer method is used to add an obtainable server residence, Memcache:: addServer method has 8 parameters, but the first parameter accidents, others are optional, the first parameter indicates the server residence The second parameter indicates the port, the third parameter indicates whether a persistent connection, the fourth controversy that this server on all servers in the heaviness, the fifth parameter indicates the period of the connection, the sixth parameter indicates the connection retry interval, the default is 15, set to -1 method not retry, the seventh parameter is used to control the server's online status, 8 parameter allows you to set out a behind feature to deal the misdeed message.
Memcache:: setServerParams method is used at runtime to adjust the server parameters, Memcache:: setServerParams method has 6 parameters, Memcache:: addServer method missing the third and fourth parameters. Memcache:: getServerStatus method is used for running the server parameters, two parameters represent the address and port.
view plainprint?
setServerParams ('192 .168.1.116 ', 11211, 1, 15, true,' _callback_memcache_failure ');
echo $ memcache-> getServerStatus (' 192.168.1.116 ',Supras, 11211);
?>
getServerStatus ('192 .168.1.116 ', 11211);?>
Memcache:: flush method is used to remove always stored data, but not ambition be slashing the use of memory space.
Memcache:: increment usage is secondhand in the preservation of the values ​​of a key increase operation, Memcache:: decremen means is accustom for the maintenance of one of the key values ​​in the subtraction operation.
view plainprint?
connect ('localhost', 11211);
$ memcache-> set ('test_item', 8);
$ memcache-> increment ('test_item', 4);
echo $ memcache-> ; decrement ('test_item', 7);
/ / Show 5
?>
connect ('localhost', 11211); $ memcache-> set ('test_item', 8); $ memcache-> increment ('test_item', 4); echo $ memcache-> decrement ('test_item' , 7); / / show 5?>
setCompressThreshold method is used is larger than a certain size of data compression. setCompressThreshold method has two parameters, the first parameter indicates the size of the critical point of processing data, and the second parameter indicates the percentage of compression, the default is 0.2.
view plainprint?
addServer ('memcache_host', 11211);
$ memcache-> setCompressThreshold (20000, 0.2);
?>
addServer (' memcache_host ', 11211); $ memcache-> setCompressThreshold (20000, 0.2);?>
intranet access
best to visit is among two servers among the network fashion, commonly with the Memcache server Web server. There are generally two network cards server, a point to the Internet, a point within the network, then let the Web server through the network card to access a Memcache server, we began on the server Memcache to monitor the network when the IP address and port, the interconnection of the visit will effectively discourage additional illegal access.
# memcached-d-m 1024-u root-l 192.168.0.200-p 11211-c 1024-P / tmp / memcached.pid
Memcache server monitoring via the network to set the ip of 192.168.0.200 11211 port, take 1024MB memory, and allows highest of 1024 simultaneous connections
firewall
firewall is simple and telling path, and whether it is both servers are hanging on the net, and absence to access the outer network IP Memcache, then think using a firewall alternatively surrogate to percolate the illegal program way.
in common we can use iptables under Linux or FreeBSD ipfw to specify the number under the rules to prevent illegal access, for instance we can set only allow us to access our Web server Memcache server, while preventing other access.
# iptables-F
# iptables-P INPUT DROP
# iptables-A INPUT-p tcp-s 192.168.0.2 dport 11211-j ACCEPT
# iptables-A INPUT-p udp - s 192.168.0.2 dport 11211-j ACCEPT
above iptables rules that permit merely Web server on 192.168.0.2 which sets Memcache server access, can effectively prevent the illegal access, the corresponding can too addition the number of other rules to enhance security, this can be done according to their needs.

[a9bimi9o]

first paragraph: beach sun set hair

Shu Qi hair high with a rubber band to hold the hair from the tail of a horse, put aside the tail, with a rubber band fixed, as shown.

the remaining hair tail hair clockwise around the fixed roots in the cauda equina. Takes some hair pulled forward after the four directions.

effect of the hair strands as shown, and fixed with the card.

card eleven with the broken hair fixed, so the surface looks more orderly, matched with a lovely big flower hair accessories, so you become the focus of girls on the beach.

paragraph: Korean dish made elegant centipede

parallel to some of the hair above the ears,Monster Beats Headphones, tail comb with a sharp point of a line. With a rubber band will be divided into the upper half of a good hair tied up. Hair with a comb tied scared into two shares. The two series of two shares of stock as braided hair as the two share

wound around the hair braided to keep up. Clamp with black hair root, forming a bud. The rest of the hair and take the following into a small centipede braid woven from right to left. When the attention of centipede pigtail compiled an increase of only the lower strand. finished with a rubber band

series ending. Centipede hair braided around the end of the root in the bud, with clamp fixed. In a nice blur on the card is complete.

the third paragraph: non-mainstream messy hair style dish made

MM to set hair, more hair volume, may point the task harder, the following is how to see the long hair hair MM Mei Mei disk, and Shu Qi a tall tail, a rubber band fixed.

the tail of a horse's hair takes to leave the tail, with a rubber band fixed, as shown. The remaining hair tail hair clockwise around the fixed roots in the cauda equina. Hand to gently pull the hair tied up.

As shown, in accordance with the direction of the arrow Gently pull the hair.

the back of the hair pulling at the direction of the arrow images into a flower shape, make the hair look more fluffy.

pinned inside the hair from hair fixed, and then put on a lovely hair ornament, made this messy abundance of the disk is complete.

fourth paragraph: mature elegant dish made

Zhaqi to the left all the hair,Beats Headphones, rolled up to the house,Dre Beats Headphones, hands fixed.

fork inserted into the hair, all promoting the opinions done, very very simple and time saving.

broken on both sides of the issue to pull something on it to make sense of messy.

fifth paragraph: ultra-elegant Korean dish made

Shu Qi a high pony tail with a worn needle through the middle to the tail. Tail through the circle tool, grasp the pull down hard disk hairpin turn up the braids.

is completed basic braids tied up below to prevent loose.

grabbed the ends rolled up to within, with the flat head of the duckbill clip strong point, turned up and go directly to folders, so each one to be fixed, and then cover a small hair accessories rubber band is complete!

Diliu Kuan: The most time-free plate made of high

Shu Qi tail hair, tail hair from the tail began to roll inward.

fixed with a clamp, electric roll bars on both sides of the cheeks, slightly curly hair, an effective modification of face, the face look more to the small, the final styling spray to prevent hair scattered.

Di Qikuan: MM ultra long hair for the first

simple bud Shu Qi will be a tall tail hair, tail hair tail part of the hand with a fist big hair bands.

that the tail part of the whole fixed with rubber band, as shown,monster beats, and the hair pulled to the side as a bud-shaped, with a clamp fixed to complete, a very simple and practical.

Diba Kuan: The most suitable for an elegant dish of Korea issued MM

hair strand from each of the meat fat side strandentwining counterclockwise, as shown.

After using clamps, remove the top strand of hair from the head, and a cute hair accessories fixed on the basis of the following individuals remaining hair and how much hair is divided into strands, were twisted into an anti-clockwise shares.

near the hair color of the stick with a card to wring a good hair fixed, so this made the United States and the United States in the Korean dish is complete.

the ninth paragraph: Korean

lovely bud head rope to the hair to the side of all the hair with a rubber band hair into a pony tail position above the position in the ears.

the tail hair rolled up, as shown, and fixed with a card and left a bunch of hair into three strands of the tails.

tails with a programmed circle around the bud,monster pro headphones, and fixed with a card, this lovely flower buds Korean Mimi's head is complete.

the tenth paragraph: the lovely half-plate made

boundary line to the ear so he took all the hair, comb the hair with the root tip into the end of jagged, as shown, and used hoop fixed.

the tail hair to play hair with a comb, if you are a perm can be a way to tear by hand get more of the fluffy hair, and then rotated clockwise so that the hair was bud makeup, and fixed with a clamp.

made this lovely dish half done!
X a: quarter plate made of super-popular Korean hair high

Shu Qi a pony tail and takes a fist big hair bands, with a rubber band fixed, then the tail of a horse's head of the middle part of the hair cut a small hole.

part of the whole tail hair into a small hole.

head with your fingers into the part of the hair, gently lift up to allow according to the fluffy head of hair, if you like can also be coupled with a bow hair accessories, women will be more flavor Yo.

twelfth paragraph: Bohemian style dish made

tied to the left after the flowers, then set the right ear side of the hair grasping a small poke out, and then be Let it be . To the left a lot of hair into pigtails (Note that the bottom of the first, do not tie a rubber band!). The bottom left hand and hold up the queue to mention one hand pinching the tail of a small poke pulled down,bose headphones, repeat this action several times repeated the action, should become considerably loosely braided look. If not loose, can also be braided around each convex and go to the bottom and then Larsson then tied in the braided rubber band fixed. Clockwise perimeter of the braid on the left side of the head.

then surrounded by flowers with a black clamp (usually a fixed five points, but if you can think fast enough clip around some more in the hairpin) note that black folder to folder in the flower with the bottom as far as possible possession of a good hair in the middle of the base and not exposed. Flowers fixed, it will just be forgotten in the right side of the hair loosely rolled with the index finger around a lock, which lock of hair left to pull, cover the top of the rubber band. Then the vertical black clip to the point of a good folder (the folder will not be revealed vertical). The next step is fine-tuning, to spend a little re-Larsson, and transferred to your favorite shape with the position. Done friends!