File redis.ini of Package php-redis
; comment out next line to disable redis extension in php extension=redis.so ; Should the locking be enabled? Defaults to: 0. ;redis.session.locking_enabled = 0 ; How long should the lock live (in seconds)? Defaults to: value of max_execution_time. ;redis.session.lock_expire = 60 ; How long to wait between attempts to acquire lock, in microseconds (µs)?. Defaults to: 2000 ;redis.session.lock_wait_time = 2000 ; Maximum number of times to retry (-1 means infinite). Defaults to: 10 ;redis.session.lock_retries = 10