Redis persistence

redis-persistence.sh

appendonly yes       # set no to disable aof
appendfsync everysec # tells the OS to write data on disk instead of waiting for more data in the buffer.

# Available options for appendfsync are

# always   : sync after every write. Slowest, safest
# everysec : sync only once every second. Compromise
# no       : don't sync, just let the OS flush data as it wants. Faster, risky