# How is Reads balanced between Master and Slave in Cluster

**URL:** <https://discuss.aerospike.com/t/how-is-reads-balanced-between-master-and-slave-in-cluster/7733>\
**Category:** General Discussion\
**Created:** [August 10, 2020, 6:30am UTC](https://discuss.aerospike.com/t/how-is-reads-balanced-between-master-and-slave-in-cluster/7733 "2020-08-10T06:30:02Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![cogewo5048](https://avatars.discourse-cdn.com/v4/letter/c/8e7dd6/32.png) [@cogewo5048](https://discuss.aerospike.com/u/cogewo5048)\
**Post date:** [August 10, 2020, 6:30am UTC](https://discuss.aerospike.com/t/how-is-reads-balanced-between-master-and-slave-in-cluster/7733/1 "2020-08-10T06:30:03Z")

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If I use AP mode in Aerospike, how are the reads balanced from client? will it be master only, or master or slave? what will happen in case slave is having stale data(as not replicating at which the data is being write)

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**Author:** ![kporter](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.aerospike.com/kporter/32/515_2.png) [@kporter](https://discuss.aerospike.com/u/kporter)\
**Post date:** [August 17, 2020, 3:35pm UTC](https://discuss.aerospike.com/t/how-is-reads-balanced-between-master-and-slave-in-cluster/7733/2 "2020-08-17T15:35:25Z")

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The client controls how replicas are accessed. Which client do you use?