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by bpicolo
2972 days ago
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It's an alternative to e.g. pt-online-schema-change [0]. The problem is that, for very large mysql tables / clusters, running DDL against the tables live will lock up reads/writes against the table for ages. These tools allow you to run those changes without taking downtime. https://www.percona.com/doc/percona-toolkit/LATEST/pt-online... |
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