Noticed that MySQL replication is generating enormous disk write activity iotop 10-20Mb/s AWS volume monitor - 700-800 IOPS (while only 150 IOPS on master) And it lasts for hours. Historical graphs show that this repeats every day for 8-10 hours. (I think until the moment when catch up is finishe…

Replication generates huge disk write IO

carakod January 11, 2016, 3:11pm 6

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