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MDL-83753 redis: Set connection and read timeouts to configurable value

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This commit is contained in:
djarrancotleanu 2024-12-17 13:46:38 +10:00
parent a97ddeb2a2
commit 50100d3106
2 changed files with 15 additions and 10 deletions
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1
config-dist.php
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@ -370,6 +370,7 @@ $CFG->admin = 'admin';
// $CFG->session_redis_lock_expire = 7200; // Optional, defaults to session timeout.
// $CFG->session_redis_lock_retry = 100; // Optional wait between lock attempts in ms, default is 100.
// // After 5 seconds it will throttle down to once per second.
// $CFG->session_redis_connection_timeout = 3; // Optional, default is 3.
//
// Use the igbinary serializer instead of the php default one. Note that phpredis must be compiled with
// igbinary support to make the setting to work. Also, if you change the serializer you have to flush the database!

24
lib/classes/session/redis.php
View file

@ -114,8 +114,8 @@ class redis extends handler implements SessionHandlerInterface {
/** @var clock A clock instance */
protected clock $clock;
/** @var int The number of seconds to wait for a connection or response from the Redis server. */
const CONNECTION_TIMEOUT = 10;
/** @var int $connectiontimeout The number of seconds to wait for a connection or response from the Redis server. */
protected int $connectiontimeout = 3;
/**
* Create new instance of handler.
@ -204,6 +204,10 @@ class redis extends handler implements SessionHandlerInterface {
$this->compressor = $CFG->session_redis_compressor;
}
if (isset($CFG->session_redis_connection_timeout)) {
$this->connectiontimeout = (int)$CFG->session_redis_connection_timeout;
}
$this->clock = di::get(clock::class);
}
@ -293,8 +297,8 @@ class redis extends handler implements SessionHandlerInterface {
$this->connection = new \RedisCluster(
name: null,
seeds: $trimmedservers,
timeout: self::CONNECTION_TIMEOUT, // Timeout.
read_timeout: self::CONNECTION_TIMEOUT, // Read timeout.
timeout: $this->connectiontimeout, // Timeout.
read_timeout: $this->connectiontimeout, // Read timeout.
persistent: true,
auth: $this->auth,
context: !empty($opts) ? $opts : null,
@ -303,8 +307,8 @@ class redis extends handler implements SessionHandlerInterface {
$this->connection = new \RedisCluster(
null,
$trimmedservers,
self::CONNECTION_TIMEOUT,
self::CONNECTION_TIMEOUT,
$this->connectiontimeout,
$this->connectiontimeout,
true,
$this->auth,
!empty($opts) ? $opts : null
@ -318,19 +322,19 @@ class redis extends handler implements SessionHandlerInterface {
$this->connection->connect(
host: $server,
port: $port,
timeout: self::CONNECTION_TIMEOUT, // Timeout.
timeout: $this->connectiontimeout, // Timeout.
retry_interval: $delay,
read_timeout: self::CONNECTION_TIMEOUT, // Read timeout.
read_timeout: $this->connectiontimeout, // Read timeout.
context: $opts,
);
} else {
$this->connection->connect(
$server,
$port,
self::CONNECTION_TIMEOUT,
$this->connectiontimeout,
null,
$delay,
self::CONNECTION_TIMEOUT,
$this->connectiontimeout,
$opts
);
}