How does Redis store data in memory instead of persistent storage?

How does apsaradb for Redis store data only in memory instead of persistently (data will be left blank after each restart)? that is to say, it is used as a memory cache similar to Memcache. how can this problem be solved? How does apsaradb for Redis store data only in memory instead of persistently (data will be left blank after each restart)? that is to say, it is used as a memory cache similar to Memcache. how can this problem be solved?

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How does apsaradb for Redis store data only in memory instead of persistently (data will be left blank after each restart)? that is to say, it is used as a memory cache similar to Memcache. how can this problem be solved?

If persistence is not enabled, comment out the save row.

Comment out redis configurationSaveLine