How can I get all of the sets in redis?

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

Why is data getting stored with weird keys in Redis when using Jedis with Spring Data?

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

How can I use redis with Django?

This Python module for Redis has a clear usage example in the readme: http://github.com/andymccurdy/redis-py Redis is designed to be a RAM cache. It supports basic GET and SET of keys plus the storing of collections such as dictionaries. You can cache RDBMS queries by storing their output in Redis. The goal would be to speed … Read more

Redis: To set timeout for a key value pair in Set

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

I’m getting error “Class ‘Predis\Client’ not found” in Laravel 5.2

First download the REDIS to your system (if you haven’t already installed it). Go to the folder where you have downloaded the redis and run this command: cd your-redis-folder-name make Go to your project directory and install composer: composer require predis/predis Go to your .env file and add Queue driver: QUEUE_DRIVER=redis use Mail::queue() to send … Read more

How to store and retrieve a dictionary with redis

You can do it by hmset (multiple keys can be set using hmset). hmset(“RedisKey”, dictionaryToSet) import redis conn = redis.Redis(‘localhost’) user = {“Name”:”Pradeep”, “Company”:”SCTL”, “Address”:”Mumbai”, “Location”:”RCP”} conn.hmset(“pythonDict”, user) conn.hgetall(“pythonDict”) {‘Company’: ‘SCTL’, ‘Address’: ‘Mumbai’, ‘Location’: ‘RCP’, ‘Name’: ‘Pradeep’}