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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)
Ioncube
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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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'),
$client->sunion('set1','set2')
);
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session.save_handler = redis
session.save_path = "tcp://host1:6379?
weight=1, tcp://host2:6379?
weight=2&timeout=2.5, tcp://host3:6379?
weight=2"
Also%
for%session%
handling
Requires%
phpredis%PECL%
module
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APC
User%
func*ons
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int(1)
["seg_size"]=>
float(33554352)
["avail_mem"]=>
float(29335064)
["block_lists"]=>
array(1) {
[0]=>
array(1) {
[0]=>
array(2) {
["size"]=>
int(29335040)
["offset"]=>
int(4219344)
}
}
}
}
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Page caching
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RewriteEngine*On
RewriteCond*%{REQUEST_FILENAME}*=s*[OR]
RewriteCond*%{REQUEST_FILENAME}*=l*[OR]
RewriteCond*%{REQUEST_FILENAME}*=d
RewriteRule*^.*$*=*[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,staTc,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,invalidaTon
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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.Surrogate;Capability="key=ESI/1.0";
}
sub.vcl_fetch.{
. if(beresp.http.Surrogate;Control~"ESI/1.0").{
.........unset.beresp.http.Surrogate;Control;
. ....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
hCp://www.php.net/manual/en/install.fpm.configuraHon.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