redis cluster flushall doest flush all nodes. only flushes from one master

[sanketrathi2330]

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[victor-timofei]

Please see: #331

[ndyakov]

@sanketrathi2330 as stated in the documentation - https://redis.io/kb/doc/1119yrtrbu/how-to-remove-all-the-keys-in-a-redis-oss-cluster you should connect to each master and execute FlushAll on them one by one. This is application related, not client related implementation.