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C.R.E.A.M
CASH RULES EVERYTHING
AROUND ME
CACHE
Thijs Feryn
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Hi#
my#name#
is#Thijs
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I’m#
an#evangelist#at
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I’m#
a#board#member#
at
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No content
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No content
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Old school
Don’t#
store#anything#
you#can#
recalculate
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Old school
Store/cache
to avoid
recalculation
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Protect your
infrastructure
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Responsibilities
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Tear down silos
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Fundamentals
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No content
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Browser#cache
Page#cache
Internal#data#cache
Opcode#cache
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No content
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Cache@control
Cache&Control,“max&age=3600,,s&
maxage=1000,,public,,must&revalidate”
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Expires
Expires,"Wed,,1,Jan,2014,20:00:00,GMT"
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ETag
If&None&Match:,"3e86&410&3596Obc"
ETag:,"3e86&410&3596Obc"
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Problems
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No content
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Lexing
Source,
to,tokens
Tokenizing
Interpre4ng,
tokens
Compiling
Generate,
byte,code
Execu4on
Run,
byte,code
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Lexing
Tokenizing
Compiling
Cache,
byte,code
Execu4on
Run,
byte,code
Opcode,caching
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Zend#Optimizer#(plus)
Eaccelerator
XCache
APC
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No content
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Which direction
are we heading?
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Zend Optimizer +
APCu
https://github.com/zend-dev/ZendOptimizerPlus
https://github.com/krakjoe/apcu
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Caching internal data
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Compensate for expensive calls
✓RDBMS
✓Webservice
✓Feed
✓Other external resource
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APC
User%
func*ons
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int(1)
["seg_size"]=>
float(33554352)
["avail_mem"]=>
float(29335064)
["block_lists"]=>
array(1) {
[0]=>
array(1) {
[0]=>
array(2) {
["size"]=>
int(29335040)
["offset"]=>
int(4219344)
}
}
}
}
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Memcached
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Memcached
✓Key value store
✓Distributed cache
✓Over TCP/IP
✓Stored in memory
✓Fast
✓Client-side intelligence
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addServer('localhost',11211);
if($m->add('key1','value1',10) === false){
throw new Exception($m->getResultMessage());
}
if($m->set('key2','value2',10) === false){
throw new Exception($m->getResultMessage());
}
if($m-
>setMulti(array('key3'=>'value3','key4'=>'value4'),
10) === false){
throw new Exception($m->getResultMessage());
}
} catch(Exception $e) {
echo "Error: ".$e.PHP_EOL;
}
Create
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addServer('localhost',11211);
$value1 = $m->get('key1');
$result = $m->getMulti(array('key2','key3','key4'));
var_dump($value1,$result);
Retrieve
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addServer('localhost',11211);
if($m->set('key1','value1',10) === false){
throw new Exception($m->getResultMessage());
}
if($m->replace('key1','azerty',10) === false){
throw new Exception($m->getResultMessage());
}
if($m-
>setMulti(array('key1'=>'value1','key2'=>'value2'),
10) === false){
throw new Exception($m->getResultMessage());
}
} catch(Exception $e) {
echo "Error: ".$e.PHP_EOL;
}
Update
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addServer('localhost',11211);
if($m->delete('key1') === false){
throw new Exception($m->getResultMessage());
}
if($m-
>deleteMulti(array('key2','key3','key4')) === false){
throw new Exception($m->getResultMessage());
}
} catch(Exception $e) {
echo "Error: ".$e.PHP_EOL;
}
Delete
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setOption(Memcached::OPT_DISTRIBUTION,Memcached::DISTRIBUTION_CONSISTENT);
$m->setOption(Memcached::OPT_LIBKETAMA_COMPATIBLE,true);
$servers = array(
array('localhost', 11211),
array('localhost', 11212),
array('localhost', 11213)
);
$m->addServers($servers);
for($i=0; $i<10;$i++){
if(($value = $m->get($i)) === false){
$value = date('Y-m-d H:i:s');
$m->set($i, $value);
echo "$i not in cache, setting to $value
".PHP_EOL; echo "Error: ".$m->getResultMessage()." (".$m->getResultCode().")
".PHP_EOL; } else { echo "Value for $i: $value
".PHP_EOL; } } High availability
".PHP_EOL; echo "Error: ".$m->getResultMessage()." (".$m->getResultCode().")
".PHP_EOL; } else { echo "Value for $i: $value
".PHP_EOL; } } High availability
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Memcached
memcached.sess_prefix = "memc.sess.key."
session.save_path="127.0.0.1:11211"
session.save_handler = memcached
Also,
for,session,
handling
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No content
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✓Just like Memcached
✓Replication
✓Disk persistence
✓Data structures
✓Transactions
✓More partitioning options
✓PubSub
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Keys
'127.0.0.1','port'=> 6379,
'database' => 0);
$client = new Predis\Client($server);
$client->flushdb();
$client->set('key1', 'This is key1');
$client->expire('key1',10);
$client->expire('key2',10);
$client->set('key2', 'This is key2');
$client->persist('key2');
$client->set('key3', 'This is key3');
$client->del('key3');
$client->rename('key2','key3');
var_dump(
$client->keys('k*'),
$client->get('key1'),
$client->exists('key3'),
$client->ttl('key1'),
$client->type('key1')
);
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Strings
'127.0.0.1','port'=> 6379,
'database' => 0);
$client = new Predis\Client($server);
$client->flushdb();
$client->set('key1', 'This is key1');
$client->setex('key2', 10, 'This is key2');
$client->set('key3', 1);
$client->incr('key3');
$client->incrby('key3',2);
$client-
>mset('key4','This is key4','key5','This is key5');
var_dump(
$client->strlen('key1'),
$client->ttl('key2'),
$client->getset('key1','New value for key1'),
$client->get('key1'),
$client->mget('key4','key5')
);
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Hashes
'127.0.0.1','port'=> 6379,'data
base' => 0);
$client = new Predis\Client($server);
$client->flushdb();
$client->hset('hash1', 'name', 'Name for hash1');
$client->hmset('hash1', 'id', 1, 'status','ok');
$client->hset('hash2', 'name', 'Name for hash2');
$client->hsetnx('hash2', 'id', 1);
$client->hincrby('hash3','id',1);
$client->hset('hash2', 'bla', 'bla');
$client->hdel('hash2','bla');
var_dump(
$client->hexists('hash1','id'),
$client->hget('hash1','id'),
$client->hgetall('hash1'),
$client->hkeys('hash2'),
$client->hvals('hash2'),
$client->hlen('hash2'),
$client->hmget('hash1','id','name')
);
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Lists
'127.0.0.1','port'=> 6379,
'database' => 0);
$client = new Predis\Client($server);
$client->flushdb();
$client->rpush('list1', 'b', 'c', 'e','f','g');
$client->lpush('list1','a');
$client->linsert('list1','BEFORE','e','d');
$client->ltrim('list1',0,2);
var_dump(
$client->lindex('list1',0),
$client->llen('list1'),
$client->lpop('list1'),
$client->lrange('list1',0,2)
);
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Sets
'127.0.0.1','port'=> 6379
,'database' => 0);
$client = new Predis\Client($server);
$client->flushdb();
$client->sadd('set1','a','b','c',3,5,1);
$client->sadd('set2',0,1,2);
$client->smove('set1','set2',3);
$client->srem('set1',5);
var_dump(
$client->scard('set1'),
$client->smembers('set1'),
$client->sismember('set1','f'),
$client->srandmember('set1',2),
$client->sinter('set1','set2'),
$client->sdiff('set1','set2'),
$client->sunion('set1','set2')
);
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session.save_handler = redis
session.save_path = "tcp://host1:6379?
weight=1, tcp://host2:6379?
weight=2&timeout=2.5, tcp://host3:6379?
weight=2"
Also,
for,session,
handling
Requires,
phpredis,PECL,
module
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Page caching
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RewriteEngine*On
RewriteCond*%{REQUEST_FILENAME}*=s*[OR]
RewriteCond*%{REQUEST_FILENAME}*=l*[OR]
RewriteCond*%{REQUEST_FILENAME}*=d
RewriteRule*^.*$*=*[NC,L]
RewriteRule*^.*$*index.php*[NC,L]
Apache#
mod_rewrite
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" location / {
try_files $uri $uri/ /index.php;
}
Nginx
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[PHP]
auto_prepend_file*“/path/to/prepend.php”
auto_append_file*“/path/to/append.php”
Auto#
execute#before#
after#each#
script
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File
MySQL
APC
Memcached
Redis
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Avoid#slow#
parts#of#your#PHP#
application
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Avoid#
PHP#runtime#
entirely
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Reverse proxy
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Varnish
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backend(default({
((((((.host(=("127.0.0.1";
((((((.port(=("8080";
}
In#“/etc/varnish/default.vcl”
Backend
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Out of the box
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Only get & HEAD
No cookie & auth headers
No set-cookie headers
cache ttl > 0
No vary “*”
When will varnish cache?
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Request vcl_recv
In cache?
vcl_hash Cacheable?
vcl_hit() vcl_miss()
vcl_deliver()
vcl_fetch()
No
Yes
No
Yes
Response
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sub vcl_recv {
if (req.restarts == 0) {
if (req.http.x-forwarded-for) {
set req.http.X-Forwarded-For =
req.http.X-Forwarded-For + “, ” + client.ip;
} else {
set req.http.X-Forwarded-For = client.ip;
}
}
if (req.request != “GET” &&
req.request != “HEAD” &&
req.request != “PUT” &&
req.request != “POST” &&
req.request != “TRACE” &&
req.request != “OPTIONS” &&
req.request != “DELETE”) {
/* Non-RFC2616 or CONNECT which is weird. */
return (pipe);
}
if (req.request != “GET” && req.request != “HEAD”) {
/* We only deal with GET and HEAD by default */
return (pass);
}
if (req.http.Authorization || req.http.Cookie) {
/* Not cacheable by default */
return (pass);
}
return (lookup);
}
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sub vcl_pipe {
# Note that only the first request to the backend will have
# X-Forwarded-For set. If you use X-Forwarded-For and want to
# have it set for all requests, make sure to have:
# set bereq.http.connection = "close";
# here. It is not set by default as it might break some broken web
# applications, like IIS with NTLM authentication.
return (pipe);
}
sub vcl_pass {
return (pass);
}
sub vcl_hash {
hash_data(req.url);
if (req.http.host) {
hash_data(req.http.host);
} else {
hash_data(server.ip);
}
return (hash);
}
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sub vcl_hit {
return (deliver);
}
sub vcl_miss {
return (fetch);
}
sub vcl_fetch {
if (beresp.ttl <= 0s ||
beresp.http.Set-Cookie ||
beresp.http.Vary == "*") {
" " /*
" " * Mark as "Hit-For-Pass" for the next 2 minutes
" " */
" " set beresp.ttl = 120 s;
" " return (hit_for_pass);
}
return (deliver);
}
sub vcl_deliver {
return (deliver);
}
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sub vcl_error {
set obj.http.Content-Type = "text/html; charset=utf-8";
set obj.http.Retry-After = "5";
synthetic {"
"} + obj.status + " " + obj.response + {"
Error "} + obj.status + " " + obj.response + {"
"} + obj.response + {"
Guru Meditation:
XID: "} + req.xid + {"
Varnish cache server
"}; return (deliver); } sub vcl_init { " return (ok); } sub vcl_fini { " return (ok); }Slide 68
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Monitoring
&
Logging
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Varnishstat
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4+05:26:25
Hitrate*ratio:*******10******100******254
Hitrate*avg:*****0.8486***0.7619***0.7285
*****1760818*********6.99*********4.82*client_conn*=*Client*connections*accepted
****11088687********25.96********30.36*client_req*=*Client*requests*received
*****8042715********11.98********22.02*cache_hit*=*Cache*hits
*****2609561********11.98*********7.15*cache_miss*=*Cache*misses
*******47104*********1.00*********0.13*backend_conn*=*Backend*conn.*success
*********610*********0.00*********0.00*backend_fail*=*Backend*conn.*failures
*****2998265********12.98*********8.21*backend_reuse*=*Backend*conn.*reuses
*******12081*********0.00*********0.03*backend_toolate*=*Backend*conn.*was*closed
*****3010356********13.98*********8.24*backend_recycle*=*Backend*conn.*recycles
**********13*********0.00*********0.00*backend_retry*=*Backend*conn.*retry
*********520*********0.00*********0.00*fetch_head*=*Fetch*head
*****2857965********11.98*********7.83*fetch_length*=*Fetch*with*Length
******151309*********2.00*********0.41*fetch_chunked*=*Fetch*chunked
********4404*********0.00*********0.01*fetch_close*=*Fetch*wanted*close
*********676*********0.00*********0.00*fetch_failed*=*Fetch*failed
*******31164*********0.00*********0.09*fetch_304*=*Fetch*no*body*(304)
*********220**********.************.***n_sess_mem*=*N*struct*sess_mem
**********53**********.************.***n_sess*=*N*struct*sess
*******29540**********.************.***n_object*=*N*struct*object
*******29561**********.************.***n_objectcore*=*N*struct*objectcore
********5058**********.************.***n_objecthead*=*N*struct*objecthead
********2613**********.************.***n_waitinglist*=*N*struct*waitinglist
***********3**********.************.***n_vbc*=*N*struct*vbc
**********22**********.************.***n_wrk*=*N*worker*threads
********1789*********0.00*********0.00*n_wrk_create*=*N*worker*threads*created
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Varnishlog
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***11*SessionOpen**c*12.12.12.1*53727*:80
***11*ReqStart*****c*12.12.12.1*53727*1401010767
***11*RxRequest****c*GET
***11*RxURL********c*/
***11*RxProtocol***c*HTTP/1.1
***11*RxHeader*****c*Host:*12.12.12.6
***11*RxHeader*****c*User=Agent:*Mozilla/5.0*(Macintosh;*Intel*Mac*OS*X*10.8;*rv:17.0)*
Gecko/20100101*Firefox/17.0
***11*RxHeader*****c*Accept:*text/html,application/xhtml+xml,application/xml;q=0.9,*/
*;q=0.8
***11*RxHeader*****c*Accept=Language:*nl,en;q=0.7,fr=be;q=0.3
***11*RxHeader*****c*Accept=Encoding:*gzip,*deflate
***11*RxHeader*****c*Connection:*keep=alive
***11*VCL_call*****c*recv*lookup
***11*VCL_call*****c*hash
***11*Hash*********c*/
***11*Hash*********c*12.12.12.6
***11*VCL_return***c*hash
***11*VCL_call*****c*miss*fetch
***11*Backend******c*13*default*default
***11*TTL**********c*1401010767*RFC*0*=1*=1*1357920021*0*1357920020*0*0
***11*VCL_call*****c*fetch
***11*TTL**********c*1401010767*VCL*120*=1*=1*1357920021*=0
***11*VCL_return***c*hit_for_pass
***11*ObjProtocol**c*HTTP/1.1
***11*ObjResponse**c*OK
***11*ObjHeader****c*Date:*Fri,*11*Jan*2013*16:00:20*GMT
***11*ObjHeader****c*Server:*Apache
***11*ObjHeader****c*X=Powered=By:*PHP/5.3.2=1ubuntu4.18
***11*ObjHeader****c*Cache=Control:*no=cache,*no=store,*max=age=0
Client%
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***11*VCL_return***c*hit_for_pass
***11*ObjProtocol**c*HTTP/1.1
***11*ObjResponse**c*OK
***11*ObjHeader****c*Date:*Fri,*11*Jan*2013*16:00:20*GMT
***11*ObjHeader****c*Server:*Apache
***11*ObjHeader****c*X=Powered=By:*PHP/5.3.2=1ubuntu4.18
***11*ObjHeader****c*Cache=Control:*no=cache,*no=store,*max=age=0
***11*ObjHeader****c*Vary:*Accept=Encoding
***11*ObjHeader****c*Content=Encoding:*gzip
***11*ObjHeader****c*Content=Length:*119
***11*ObjHeader****c*Content=Type:*text/html
***11*Gzip*********c*u*F*=*119*336*80*80*887
***11*VCL_call*****c*deliver*deliver
***11*TxProtocol***c*HTTP/1.1
***11*TxStatus*****c*200
***11*TxResponse***c*OK
***11*TxHeader*****c*Server:*Apache
***11*TxHeader*****c*X=Powered=By:*PHP/5.3.2=1ubuntu4.18
***11*TxHeader*****c*Cache=Control:*no=cache,*no=store,*max=age=0
***11*TxHeader*****c*Vary:*Accept=Encoding
***11*TxHeader*****c*Content=Encoding:*gzip
***11*TxHeader*****c*Content=Type:*text/html
***11*TxHeader*****c*Content=Length:*119
***11*TxHeader*****c*Accept=Ranges:*bytes
***11*TxHeader*****c*Date:*Fri,*11*Jan*2013*16:00:20*GMT
***11*TxHeader*****c*X=Varnish:*1401010767
***11*TxHeader*****c*Age:*0
***11*TxHeader*****c*Via:*1.1*varnish
***11*TxHeader*****c*Connection:*keep=alive
***11*Length*******c*119
***11*ReqEnd*******c*1401010767*1357920020.712090731*1357920020.727306366*0.000087738*
Client%
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***13*BackendClose*=*default
***13*BackendOpen**b*default*127.0.0.1*51597*127.0.0.1*8080
***13*TxRequest****b*GET
***13*TxURL********b*/
***13*TxProtocol***b*HTTP/1.1
***13*TxHeader*****b*Host:*12.12.12.6
***13*TxHeader*****b*User=Agent:*Mozilla/5.0*(Macintosh;*Intel*Mac*OS*X*10.8;*rv:17.0)*
Gecko/20100101*Firefox/17.0
***13*TxHeader*****b*Accept:*text/html,application/xhtml+xml,application/xml;q=0.9,*/
*;q=0.8
***13*TxHeader*****b*Accept=Language:*nl,en;q=0.7,fr=be;q=0.3
***13*TxHeader*****b*X=Forwarded=For:*12.12.12.1
***13*TxHeader*****b*X=Varnish:*1401010767
***13*TxHeader*****b*Accept=Encoding:*gzip
***13*RxProtocol***b*HTTP/1.1
***13*RxStatus*****b*200
***13*RxResponse***b*OK
***13*RxHeader*****b*Date:*Fri,*11*Jan*2013*16:00:20*GMT
***13*RxHeader*****b*Server:*Apache
***13*RxHeader*****b*X=Powered=By:*PHP/5.3.2=1ubuntu4.18
***13*RxHeader*****b*Cache=Control:*no=cache,*no=store,*max=age=0
***13*RxHeader*****b*Vary:*Accept=Encoding
***13*RxHeader*****b*Content=Encoding:*gzip
***13*RxHeader*****b*Content=Length:*119
***13*RxHeader*****b*Content=Type:*text/html
***13*Fetch_Body***b*4(length)*cls*0*mklen*1
***13*Length*******b*119
***13*BackendReuse*b*default
Backend%
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varnishlog -c -m VCL_call:hit | grep -i 'RxURL'
Varnishlog
varnishlog -b -i TxURL
Hits Misses
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Cache,staWc,files
sub*vcl_recv{
**if((req.request*==*"GET"*||*
req.request*==*"HEAD")*&&*req.url*~*"\.
(png|gif|jpe?g|swf|css|js|html?|sstm)
$"*){
******return(lookup);
**}*else*{
******return(pass);
**}
}
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Custom,hit/miss,marker
sub*vcl_deliver*{
**if*(obj.hits*>*0)*{
****set*resp.http.X=Varnish=Cache*=*"HIT";
**}
**else*{
****set*resp.http.X=Varnish=Cache*=*"MISS";
**}
}
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Set,TTL
sub*vcl_fetch*{
****if(req.url*~*"^/bla")*{
********set*beresp.ttl*=*10s;
****}*else*{
********set*beresp.ttl*=*3600s;
****}
}
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Expiration
1.Vcl (beresp.ttl)
2.Cache-control s-maxage
3.Cache-control max-age
4.Expires
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Remove,client,cookies
sub*vcl_recv*{
****unset*req.http.cookie;
}
Remove,server,cookies
sub*vcl_fetch*{
****unset*beresp.http.set=cookie;
}
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Remove,GA,cookies
sub*vcl_recv*{
if*(req.http.Cookie)*{
****set*req.http.Cookie*=*
regsuball(req.http.Cookie,"(^|;*)**__utm.=[^;]+;?*
*","\1");*
****if*(req.http.Cookie*==*"")*{
********remove*req.http.Cookie;
****}
}
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Ignore,cookies
sub*vcl_recv*{
***if*(req.request*==*"GET"*||*req.request*==*
"HEAD")*{
*****return*(lookup);
***}
}
Ignores%default%behaviour
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Add,cookies,to,hash
sub*vcl_recv*{
***if*(req.request*==*"GET"*||*req.request*==*"HEAD")*{
*****return*(lookup);
***}
}
sub*vcl_hash*{
****hash_data(req.http.cookie);
}
All%cookies
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Add#a#specific#cookie#to#hash
sub*vcl_recv*{
***if*(!req.http.Cookie*~*"country")*{
*******return(pass);
***}
}
sub*vcl_hash*{
**if(req.http.Cookie*~*"country"){
**********hash_data(regsuball(req.http.Cookie,*"^.+;?*?
country=([a=zA=Z0=9]+)(*|;|*;).*$","\1"));
**}
}
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✓Purge
✓Ban
✓Always,miss
Cache,invalidaWon
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sub*vcl_recv*{
********if*(req.request*==*"PURGE")*{
****************return*(lookup);
********}
}
sub*vcl_hit*{
********if*(req.request*==*"PURGE")*{
****************purge;
****************error*200*"Purged";
********}
}
sub*vcl_miss*{
********if*(req.request*==*"PURGE")*{
****************error*404*"Not*in*cache";
********}
}
Purge
HTTP%call%
to%purge
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✓Implement,in,your,CMS
✓HTTP,200,:,removed,from,cache
✓HTTP,404:,not,in,cache
✓Some,CMS,plugins,require,200,for,miss()
Purge
curl*=X*PURGE*http://varnish.dev/your=page
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sub*vcl_recv*{
********if*(req.request*==*"PURGE")*{
ban("req.http.host*==*"*+*req.http.host*+*"*
&&*req.url*==*"*+*req.url);
error*200*"Banned";
********}
}
Ban
sub*vcl_recv*{
********if*(req.request*==*"PURGE")*{
************ban("req.http.host*==*"*+*req.http.host*+*
"*&&*req.url*~*"*+*req.url);
error*200*"Banned";
********}
}
Ban%URL%
pattern
Ban%URL
Name%
doesn’t%
matter
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sub*vcl_recv*{
********if*(req.request*==*"PURGE")*{
************ban("obj.http.x=host*==*"*+*req.http.host*+*
"*&&*obj.http.x=url*==*"*+*req.url);
************error*200*"Banned";
********}
}
sub*vcl_fetch*{
********set*beresp.http.x=url*=*req.url;
********set*beresp.http.x=host*=*req.http.host;
}
sub*vcl_deliver*{
********unset*resp.http.x=url;
********unset*resp.http.x=host;
}
Smart,bans
Ban%lurker%
friendly
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sub*vcl_recv*{
********if*(req.request*==*"REFRESH")*{
****************set*req.request*=*"GET";
****************set*req.hash_always_miss*=*true;
********}
}
Refresh/always,miss
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Edge Side Includes
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header.php
menu.php main.php
footer.php
TTL#5s
No#caching
TTL#10s
TTL#2s
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ESI#VCL
sub$vcl_recv${
$$$$set$req.http.Surrogate5Capability="key=ESI/1.0";
}
sub$vcl_fetch${
$ if(beresp.http.Surrogate5Control~"ESI/1.0")${
$$$$$$$$$unset$beresp.http.Surrogate5Control;
$ $$$$set$beresp.do_esi=true;
$$$$}
}$
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No content
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proxy_cache_path /tmp/nginx/fastcgi_cache
levels=1:2 keys_zone=my-cache:10m inactive=5m;
Init%cache%
files%(disk,%
ramdisk)
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location / {
proxy_pass http://localhost:8080;
proxy_set_header X-Real-IP $remote_addr;
proxy_cache my-cache;
proxy_cache_key "$scheme$request_method$host
$request_uri";
proxy_cache_valid 200 302 60m;
proxy_cache_valid 404 1m;
}
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location ~ /purge(/.*) {
proxy_cache_purge my-cache "$scheme
$request_method$host$1";"
}
✓Requires,ngx_cache_purge
✓Requires,separate,“purge”,URL,(buggy,behaviour)
✓https://github.com/FRiCKLE/ngx_cache_purge
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FPM
hXp://www.php.net/manual/en/install.fpm.configura4on.php
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server {
listen 80;
root /var/www/;
" location / {
try_files $uri $uri/ /index.php;
}
location ~ \.php$ {
fastcgi_split_path_info ^(.+\.php)(/.+)$;
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
include fastcgi_params;
fastcgi_param SCRIPT_FILENAME
$request_filename;
}"
}
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fastcgi_cache_path /tmp/nginx/fastcgi_cache
levels=1:2 keys_zone=my-cache:10m inactive=5m;
Looks%
familiar?
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location ~ \.php$ {
fastcgi_split_path_info ^(.+\.php)(/.+)$;
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
include fastcgi_params;
fastcgi_param SCRIPT_FILENAME $request_filename;
fastcgi_cache my-cache;
fastcgi_cache_key "$scheme$request_method$host
$request_uri";
fastcgi_cache_valid 200 302 1h;
fastcgi_cache_valid 301 1d;
fastcgi_cache_valid any 1m;
fastcgi_cache_min_uses 1;
fastcgi_cache_use_stale error timeout
invalid_header http_500;
} FastCGI%
cache%to%
cache%zone
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location ~ /purge(/.*) {
fastcgi_cache_purge my-cache "$scheme
$request_method$host$1";"
}
Remember%
this%one?
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No content
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upstream my_memcached {
" server my.memcached.org:11211;
" server my.other.memcached.org:11211;"
}
upstream my_fpm {
" server my.fpm.org:9000;
" server my.other.fpm.org:9000;"
}
Upstream%
servers
Loadbalancing
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location ~ \.php$ {
set $memcached_key $request_uri;
memcached_pass my_memcached;
memcached_next_upstream not_found;
default_type "text/html; charset=utf-8";
error_page 404 405 502 = @php;
}"
location @php {
default_type "text/html; charset=utf-8";
fastcgi_split_path_info ^(.+\.php)(/.+)$;
fastcgi_pass my_fpm;
fastcgi_index index.php;
include fastcgi_params;
fastcgi_param SCRIPT_FILENAME
$request_filename;
}
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addServer('localhost',11211);
$m->set($_SERVER['REQUEST_URI'],
$contents,3600);
echo $contents;
Save%to%
Memcached%&%
output
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And#
on#that#
bombshell#...
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No content
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Thanks