swap off on cassandra/zookeeper servers?

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Should we be running cass/zk servers w/ swap on or off in private cloud?

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Answer by vaibhav · May 10, 2016 at 05:11 PM

Swap should be disabled in Cassandra. For Cassandra, it's better for the node to be dead because of less memory than try to operate with such high latency introduced by swapping.

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Baba Krishnankutty ♦ · May 10, 2016 at 08:51 PM 1

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http://docs.datastax.com/en/cassandra/2.0/cassandra/install/installRecommendSettings.html?scroll=reference_ds_sxl_gf3_2k__disable-swap

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swap off on cassandra/zookeeper servers?

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