I know the KEYS command, but that only returns the keys (I’m guessing all of the keys with type String), and apparently sets aren’t considered keys. KEYS command return results no matter what data type are your keys, since it searches key names. At the lowest level of abstraction each data type in redis is … Read more
Ok, googled around for a while and found help at http://java.dzone.com/articles/spring-data-redis. It happened because of Java serialization. The key serializer for redisTemplate needs to be configured to StringRedisSerializer i.e. like this: <bean id=”jedisConnectionFactory” class=”org.springframework.data.redis.connection.jedis.JedisConnectionFactory” p:host-name=”${redis.server}” p:port=”${redis.port}” p:use-pool=”true”/> <bean id=”stringRedisSerializer” class=”org.springframework.data.redis.serializer.StringRedisSerializer”/> <bean id=”redisTemplate” class=”org.springframework.data.redis.core.RedisTemplate” p:connection-factory-ref=”jedisConnectionFactory” p:keySerializer-ref=”stringRedisSerializer” p:hashKeySerializer-ref=”stringRedisSerializer” /> Now the key in redis is vc:501381. Or … Read more
Unfortunately, no. Redis’ “containers” (i.e. lists, hashes, sets and sorted sets) do not support per-member expiry, although this functionality has been requested many times in the past. You can, however, implement your own logic to achieve that result. There are several possible approaches to address this – here’s one example. Instead of using a set, … Read more
Before discussing which one is better, let’s take a look at the difference between these commands. Both DEL and UNLINK free the key part in blocking mode. And the difference is the way they free the value part. DEL always frees the value part in blocking mode. However, if the value is too large, e.g. … Read more
Try to look at KEYS command. KEYS * will list all keys stored in redis. EDIT: please note the warning at the top of KEYS documentation page: Time complexity: O(N) with N being the number of keys in the database, under the assumption that the key names in the database and the given pattern have … Read more
IMPORTANT: always use SCAN instead of (the evil) KEYS Redis’ pattern matching is somewhat functionally limited (see the implementation of stringmatchlen in util.c) and does not provide that which you seek ATM. That said, consider the following possible routes: Extend stringmatchlen to match your requirements, possibly submitting it as a PR. Consider what you’re trying … Read more
What are the normal naming convention for keys in redis? I’ve seen values separated by : but I’m not sure what the normal convention is, or why. Yes, colon sign : is a convention when naming keys. In this tutorial on redis website is stated: Try to stick with a schema. For instance “object-type:id:field” can … Read more
Instead, use: sudo service redis-server start I had the same problem, stopping/starting other services from within Ubuntu on WSL. This worked, where systemctl did not. And one could reasonably wonder, “how would you know that the service name was ‘redis-server’?” You can see them using service –status-all
With redis-cli: FLUSHDB – Deletes all keys from the connection’s current database. FLUSHALL – Deletes all keys from all databases. For example, in your shell: redis-cli flushall
Using redis-cli, you can stop it trying to save the snapshot: config set stop-writes-on-bgsave-error no This is a quick workaround, but if you care about the data you are using it for, you should check to make sure why bgsave failed in first place.