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Add doc for PR github#1401
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Signed-off-by: Tim Vaillancourt <tim@timvaillancourt.com>
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timvaillancourt committed Apr 8, 2024
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Expand Up @@ -202,6 +202,10 @@ List of metrics and threshold values; topping the threshold of any will cause th

Typically `gh-ost` is used to migrate tables on a master. If you wish to only perform the migration in full on a replica, connect `gh-ost` to said replica and pass `--migrate-on-replica`. `gh-ost` will briefly connect to the master but otherwise will make no changes on the master. Migration will be fully executed on the replica, while making sure to maintain a small replication lag.

### mysql-wait-timeout

If set to a value greater than zero, causes `gh-ost` to set a provided [MySQL `wait_timeout`](https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_wait_timeout) for MySQL sessions opened by `gh-ost`, specified in seconds.

### postpone-cut-over-flag-file

Indicate a file name, such that the final [cut-over](cut-over.md) step does not take place as long as the file exists.
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